482-44-0 structure, C16H14O4

imperatorin

CAS No.

482-44-0

Formula:

C16H14O4

Basic Info

Imperatorin is a furocoumarin and a phytochemical that has been isolated from Urena lobata L. (Malvaceae), Angelica archangelica, Angelica dahurica, Glehnia littoralis, Saposhnikovia divaricata, Cnidium monnieri, Incarvillea younghusbandii, and Zanthoxylum americanum mill. It is biosynthesized from umbelliferone, a coumarin derivative.

Formula
C16H14O4
Molecular Weight
270.28
Exact Mass
270.089
LogP
3.8842
PSA
52.58
Synonyms

Pentosalen

7H-Furo[3,2-g][1]benzopyran-7-one, 9-[(3-methyl-2-butenyl)oxy]-

Marmelide

Enoxypsoralen

AMMIDIN

Imperatorin

MARMELOSIN

8-ISOAMYLEN

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Properties

Appearance & Physical State
Offwhite powder
Density
1.242 g/cm3
Boiling Point
448.3ºC at 760 mmHg
Melting Point
98-100ºC
Flash Point
224.9ºC
Refractive Index
1.606
Storage Condition
2-8ºC
Vapor Pressure
3.13E-08mmHg at 25°C

MSDS

SDS 1.0
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SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017

1.Identification

1.1 GHS Product identifier

Product name imperatorin

1.2 Other means of identification

Product number -
Other names Pentosalen

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

Company MOLBASE (Shanghai) Biotechnology Co., Ltd.
Address Floor 4 & 5, Building 12, No. 1001 North Qinzhou Road,
Xuhui District, Shanghai, China
Telephone +86(21)64956998
Fax +86(21)54365166

1.5 Emergency phone number

Emergency phone number +86-400-6021-666
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

2.Hazard identification

2.1 Classification of the substance or mixture

Acute toxicity - Oral, Category 4

Skin irritation, Category 2

Skin sensitization, Category 1

Eye irritation, Category 2

Specific target organ toxicity – single exposure, Category 3

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Warning

Hazard statement(s)

H302 Harmful if swallowed

H315 Causes skin irritation

H317 May cause an allergic skin reaction

H319 Causes serious eye irritation

H335 May cause respiratory irritation

Precautionary statement(s)
Prevention

P264 Wash ... thoroughly after handling.

P270 Do not eat, drink or smoke when using this product.

P280 Wear protective gloves/protective clothing/eye protection/face protection.

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

P272 Contaminated work clothing should not be allowed out of the workplace.

P271 Use only outdoors or in a well-ventilated area.

Response

P301+P312 IF SWALLOWED: Call a POISON CENTER/doctor/…if you feel unwell.

P330 Rinse mouth.

P302+P352 IF ON SKIN: Wash with plenty of water/...

P321 Specific treatment (see ... on this label).

P332+P313 If skin irritation occurs: Get medical advice/attention.

P362+P364 Take off contaminated clothing and wash it before reuse.

P333+P313 If skin irritation or rash occurs: Get medical advice/attention.

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

P337+P313 If eye irritation persists: Get medical advice/attention.

P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

P312 Call a POISON CENTER/doctor/…if you feel unwell.

Storage

P403+P233 Store in a well-ventilated place. Keep container tightly closed.

P405 Store locked up.

Disposal

P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification

none

3.Composition/information on ingredients

3.1 Substances

Chemical name Common names and synonyms CAS number EC number Concentration
imperatorin imperatorin 482-44-0 none 100%

4.First-aid measures

4.1 Description of necessary first-aid measures

General advice

Consult a physician. Show this safety data sheet to the doctor in attendance.

If inhaled

If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.

In case of skin contact

Wash off with soap and plenty of water. Consult a physician.

In case of eye contact

Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.

If swallowed

Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

4.2 Most important symptoms/effects, acute and delayed

no data available

4.3 Indication of immediate medical attention and special treatment needed, if necessary

no data available

5.Fire-fighting measures

5.1 Extinguishing media

Suitable extinguishing media

Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.

5.2 Specific hazards arising from the chemical

no data available

5.3 Special protective actions for fire-fighters

Wear self-contained breathing apparatus for firefighting if necessary.

6.Accidental release measures

6.1 Personal precautions, protective equipment and emergency procedures

Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8.

6.2 Environmental precautions

Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided.

6.3 Methods and materials for containment and cleaning up

Pick up and arrange disposal. Sweep up and shovel. Keep in suitable, closed containers for disposal.

7.Handling and storage

7.1 Precautions for safe handling

Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2.

7.2 Conditions for safe storage, including any incompatibilities

Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

8.Exposure controls/personal protection

8.1 Control parameters

Occupational Exposure limit values

no data available

Biological limit values

no data available

8.2 Appropriate engineering controls

Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday.

8.3 Individual protection measures, such as personal protective equipment (PPE)

Eye/face protection

Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).

Skin protection

Wear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it.

Respiratory protection

Wear dust mask when handling large quantities.

Thermal hazards

no data available

9.Physical and chemical properties

Physical state Offwhite powder
Colour PRISMS FROM ETHER; LONG FINE NEEDLES FROM HOT WATER
Odour no data available
Melting point/ freezing point 243°C(lit.)
Boiling point or initial boiling point and boiling range 106°C(lit.)
Flammability no data available
Lower and upper explosion limit / flammability limit no data available
Flash point 51°C(lit.)
Auto-ignition temperature no data available
Decomposition temperature no data available
pH no data available
Kinematic viscosity no data available
Solubility PRACTICALLY INSOL IN COLD WATER; VERY SPARINGLY SOL IN BOILING WATER; FREELY SOL IN CHLOROFORM; SOL IN BENZENE, ALCOHOL, ETHER, PETROLEUM ETHER, ALKALI HYDROXIDES
Partition coefficient n-octanol/water (log value) no data available
Vapour pressure 3.13E-08mmHg at 25°C
Density and/or relative density 1.242 g/cm3
Relative vapour density no data available
Particle characteristics no data available

10.Stability and reactivity

10.1 Reactivity

no data available

10.2 Chemical stability

Stable under recommended storage conditions.

10.3 Possibility of hazardous reactions

no data available

10.4 Conditions to avoid

no data available

10.5 Incompatible materials

no data available

10.6 Hazardous decomposition products

no data available

11.Toxicological information

Acute toxicity

  • Oral: no data available
  • Inhalation: no data available
  • Dermal: no data available

Skin corrosion/irritation

no data available

Serious eye damage/irritation

no data available

Respiratory or skin sensitization

no data available

Germ cell mutagenicity

no data available

Carcinogenicity

no data available

Reproductive toxicity

no data available

STOT-single exposure

no data available

STOT-repeated exposure

no data available

Aspiration hazard

no data available

12.Ecological information

12.1 Toxicity

  • Toxicity to fish: no data available
  • Toxicity to daphnia and other aquatic invertebrates: no data available
  • Toxicity to algae: no data available
  • Toxicity to microorganisms: no data available

12.2 Persistence and degradability

no data available

12.3 Bioaccumulative potential

no data available

12.4 Mobility in soil

no data available

12.5 Other adverse effects

no data available

13.Disposal considerations

13.1 Disposal methods

Product

The material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.

Contaminated packaging

Containers can be triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.

14.Transport information

14.1 UN Number

ADR/RID: Not dangerous goods. IMDG: Not dangerous goods. IATA: Not dangerous goods.

14.2 UN Proper Shipping Name

ADR/RID: unknown
IMDG: unknown
IATA: unknown

14.3 Transport hazard class(es)

ADR/RID: Not dangerous goods. IMDG: Not dangerous goods. IATA: Not dangerous goods.

14.4 Packing group, if applicable

ADR/RID: Not dangerous goods. IMDG: Not dangerous goods. IATA: Not dangerous goods.

14.5 Environmental hazards

ADR/RID: no IMDG: no IATA: no

14.6 Special precautions for user

no data available

14.7 Transport in bulk according to Annex II of MARPOL 73/78 and the IBC Code

no data available

15.Regulatory information

15.1 Safety, health and environmental regulations specific for the product in question

Chemical name Common names and synonyms CAS number EC number
imperatorin imperatorin 482-44-0 none
European Inventory of Existing Commercial Chemical Substances (EINECS) Listed.
EC Inventory Listed.
United States Toxic Substances Control Act (TSCA) Inventory Not Listed.
China Catalog of Hazardous chemicals 2015 Not Listed.
New Zealand Inventory of Chemicals (NZIoC) Not Listed.
Philippines Inventory of Chemicals and Chemical Substances (PICCS) Not Listed.
Vietnam National Chemical Inventory Not Listed.
Chinese Chemical Inventory of Existing Chemical Substances (China IECSC) Not Listed.

16.Other information

Information on revision

Creation Date Aug 11, 2017
Revision Date Aug 11, 2017

Abbreviations and acronyms

  • CAS: Chemical Abstracts Service
  • ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
  • RID: Regulation concerning the International Carriage of Dangerous Goods by Rail
  • IMDG: International Maritime Dangerous Goods
  • IATA: International Air Transportation Association
  • TWA: Time Weighted Average
  • STEL: Short term exposure limit
  • LC50: Lethal Concentration 50%
  • LD50: Lethal Dose 50%
  • EC50: Effective Concentration 50%

References

  • IPCS - The International Chemical Safety Cards (ICSC), website: http://www.ilo.org/dyn/icsc/showcard.home
  • HSDB - Hazardous Substances Data Bank, website: https://toxnet.nlm.nih.gov/newtoxnet/hsdb.htm
  • IARC - International Agency for Research on Cancer, website: http://www.iarc.fr/
  • eChemPortal - The Global Portal to Information on Chemical Substances by OECD, website: http://www.echemportal.org/echemportal/index?pageID=0&request_locale=en
  • CAMEO Chemicals, website: http://cameochemicals.noaa.gov/search/simple
  • ChemIDplus, website: http://chem.sis.nlm.nih.gov/chemidplus/chemidlite.jsp
  • ERG - Emergency Response Guidebook by U.S. Department of Transportation, website: http://www.phmsa.dot.gov/hazmat/library/erg
  • Germany GESTIS-database on hazard substance, website: http://www.dguv.de/ifa/gestis/gestis-stoffdatenbank/index-2.jsp
  • ECHA - European Chemicals Agency, website: https://echa.europa.eu/

Disclaimer: The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee of the properties of the product. We as supplier shall not be held liable for any damage resulting from handling or from contact with the above product.
MSDS
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Section 1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE
    Product name        : Imperatorin    

Section 2. HAZARDS IDENTIFICATION
  Classification of the substance or mixture
    Not a dangerous substance according to GHS.
    This substance is not classified as dangerous according to Directive 67/548/EEC.
  Label elements
    The product does not need to be labelled in accordance with EC directives or respective national laws.
  Other hazards - none

Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
    Synonyms        : 9-[(3-Methyl-2-buten-1-yl)oxy]-7h-furo[3,2-g][1]benzopyran-7-one    
    Ammidin
    Marmelide
    Marmelosin
    NSC 402949
    Formula        : C16H14O4    
    Molecular Weight        : 270,28 g/mol    
    CAS-No.        EC-No.        Index-No.        Classification        Concentration    
  9-(3-Methylbut-2-enyloxy)-7H-furo[3,2-g]chromen-7-one
    482-44-0        207-581-1        -        -        -    

Section 4. FIRST AID MEASURES
  If inhaled
    If breathed in, move person into fresh air. If not breathing, give artificial respiration.
  In case of skin contact
    Wash off with soap and plenty of water.
  In case of eye contact
    Flush eyes with water as a precaution.
  If swallowed
    Never give anything by mouth to an unconscious person. Rinse mouth with water.

Section 5. FIRE-FIGHTING MEASURES
  Suitable extinguishing media
    Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
  Special protective equipment for fire-fighters
    Wear self contained breathing apparatus for fire fighting if necessary.

Section 6. ACCIDENTAL RELEASE MEASURES
  Personal precautions
    Avoid dust formation. Avoid breathing vapors, mist or gas.
  Environmental precautions
    Do not let product enter drains.
  Methods and materials for containment and cleaning up
    Sweep up and shovel. Keep in suitable, closed containers for disposal.

Section 7. HANDLING AND STORAGE
  Precautions for safe handling
    Provide appropriate exhaust ventilation at places where dust is formed. Normal measures for preventive fire
    protection.
  Conditions for safe storage
    Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
    Recommended storage temperature: 2 - 8 °C

Section 8. EXPOSURE CONTROLS/PERSONAL PROTECTION
  Personal protective equipment
  Respiratory protection
    Respiratory protection is not required. Where protection from nuisance levels of dusts are desired, use
    type N95 (US) or type P1 (EN 143) dust masks. Use respirators and components tested and approved
    under appropriate government standards such as NIOSH (US) or CEN (EU).
  Hand protection
    Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique (without
    touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves
    after use in accordance with applicable laws and good laboratory practices. Wash and dry hands.
    The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the
    standard EN 374 derived from it.
  Eye protection
    Use equipment for eye protection tested and approved under appropriate government standards such as
    NIOSH (US) or EN 166(EU).
  Skin and body protection
    Choose body protection in relation to its type, to the concentration and amount of dangerous substances,
    and to the specific work-place., The type of protective equipment must be selected according to the
    concentration and amount of the dangerous substance at the specific workplace.
  Hygiene measures
    General industrial hygiene practice.

Section 9. PHYSICAL AND CHEMICAL PROPERTIES
  Appearance
    Form        solid    
    Colour        off-white, light brown    
  Safety data
    pH        no data available    
    Melting point        98 - 100 °C    
    Boiling point        no data available    
    Flash point        no data available    
    Ignition temperature        no data available    
    Lower explosion limit        no data available    
    Upper explosion limit        no data available    
    Water solubility        no data available    
    Partition coefficient:        log Pow: 3,72    
    n-octanol/water

Section 10. STABILITY AND REACTIVITY
  Chemical stability
    Stable under recommended storage conditions.
  Conditions to avoid
    no data available
  Materials to avoid
    Strong oxidizing agents
  Hazardous decomposition products
    Hazardous decomposition products formed under fire conditions. - Carbon oxides

Section 11. TOXICOLOGICAL INFORMATION
  Acute toxicity
    no data available
  Skin corrosion/irritation
    no data available
  Serious eye damage/eye irritation
    no data available
  Respiratory or skin sensitization
    no data available
  Germ cell mutagenicity
    no data available
  Carcinogenicity
    IARC: No component of this product present at levels greater than or equal to 0.1% is identified as
    probable, possible or confirmed human carcinogen by IARC.
  Reproductive toxicity
    no data available
  Specific target organ toxicity - single exposure
    no data available
  Specific target organ toxicity - repeated exposure
    no data available
  Aspiration hazard
    no data available
  Potential health effects
  Inhalation        May be harmful if inhaled. May cause respiratory tract irritation.    
  Ingestion        May be harmful if swallowed.    
  Skin
    May be harmful if absorbed through skin. May cause skin irritation.
  Eyes        May cause eye irritation.    
  Signs and Symptoms of Exposure
    To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly
    investigated.
  Additional Information
    RTECS: Not available

Section 12. ECOLOGICAL INFORMATION
  Toxicity
    no data available
  Persistence and degradability
    no data available
  Bioaccumulative potential
    no data available
  Mobility in soil
    no data available
  PBT and vPvB assessment
    no data available
  Other adverse effects
    no data available

Section 13. DISPOSAL CONSIDERATIONS
  Product
    Offer surplus and non-recyclable solutions to a licensed disposal company.
  Contaminated packaging
    Dispose of as unused product.

Section 14. TRANSPORT INFORMATION
  ADR/RID
    Not dangerous goods
  IMDG
    Not dangerous goods
  IATA
    Not dangerous goods

Section 15. REGULATORY INFORMATION
    This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.

Section 16. OTHER INFORMATION
  Further information
    Copyright 2010 Co. License granted to make unlimited paper copies for internal use only.
    The above information is believed to be correct but does not purport to be all inclusive and shall be used
    only as a guide. The information in this document is based on the present state of our knowledge and is
    applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee
    of the properties of the product. Co., shall not be held liable for any damage resulting from
    handling or from contact with the above product. See reverse side of invoice or packing slip for additional
    terms and conditions of sale.

Spectrum

NMR Spectrum 1H NMR : Predict
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Analysis Methods

Normal alkane RI, non-polar column, temperature ramp
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Column Shape
Capillary
Active Phase(℃)
DB-5
Retention index
2356.
Temperature Control
Method
temperature ramp
Comments
15. m/0.25 mm/0.5 μm, He, 50. C @ 1. min, 10. K/min, 320. C @ 5. min
Reference
Feger, W.Brandauer, H.Gabris, P.Ziegler, H.Nonvolatiles of Commercial Lime and Grapefruit Oils Separated by High-Speed Countercurrent ChromatographyJ. Agric. Food Chem.2006, 54, 6, 2242-2252.

Synthesis Route

Related Compound Information