pramocaine

CAS No. 140-65-8

Formula: C17H27NO3
Basic Info

Pramocaine (INN and BAN, also known as pramoxine or pramoxine HCI) is a topical anesthetic discovered at Abbott Laboratories in 1953 and used as an antipruritic. Chemically, it is p-n butoxyphenyl gammamorpholinopropyl ether hydrochloride. During research and development, pramoxine hydrochloride stood out among a series of alkoxy aryl alkamine ethers as an especially good topical local anesthetic agent. Pharmacologic study revealed it to be potent and of low acute and subacute toxicity, well tolerated by most mucous membranes and of a low sensitizing index in humans. Like other local anesthetics, paramoxine decreases the permeability of neuronal membranes to sodium ions, blocking both initiation and conduction of nerve impulses. Depolarization and repolarization of excitable neural membranes is thus inhibited, leading to numbness.
The popular itch creams Gold Bond and some forms of Calamine Lotion use pramocaine hydrochloride to numb sensitive skin, as does the pain relief variant of Neosporin and some formulations of Sarna. The hydrochloride salt form of pramocaine is water-soluble.

Formula
C17H27NO3
Molecular Weight
293.401
Exact Mass
293.199
LogP
2.9045
PSA
30.93
Synonyms

pramocainum

Tronopthane

4-[3-(4-butoxyphenoxy)propyl]morpholine

Tronothane

Pramocaine

Morpholine, 4-[3-(4-butoxyphenoxy)propyl]-

pramoxine

Proxazocain

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Properties
Density
1.031g/cm3
Boiling Point
427ºC at 760 mmHg
Flash Point
123.5ºC
Refractive Index
1.505
Vapor Pressure
1.7E-07mmHg at 25°C
Safety Info
HS Code
2934999090
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 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name pramocaine

1.2 Other means of identification

Product number -
Other names pramocainum

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

Not classified.

2.2 GHS label elements, including precautionary statements

Pictogram(s) No symbol.
Signal word

No signal word.

Hazard statement(s)

none

Precautionary statement(s)
Prevention

none

Response

none

Storage

none

Disposal

none

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
pramocaine pramocaine 140-65-8 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

Absorption, Distribution and Excretion

... These agents are readily absorbed through mucous membranes into the systemic circulation. The rate of absorption is influenced by the vascularity or rate of blood flow at the site of application, the total dosage (concentration and volume) administered, and the duration of exposure. ... /Local anesthetics/

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

Preparations containing pramoxine hydrochloride cream or ointment should be stored in tight containers at at temperatures of 15-30°C. Pramoxine hydrochloride aerosol preparations should be stored at room temperature. Because the contents are under pressure, the aerosol container should not be punctured, used or stored near hear or an open flame, exposed to temperatures greater than 49°C, ... .

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 no data available
Colour Crystals
Odour no data available
Melting point/ freezing point 181-183°C
Boiling point or initial boiling point and boiling range 427ºC at 760 mmHg
Flammability no data available
Lower and upper explosion limit / flammability limit no data available
Flash point 123.5ºC
Auto-ignition temperature no data available
Decomposition temperature no data available
pH no data available
Kinematic viscosity no data available
Solubility Freely soluble in water
Partition coefficient n-octanol/water (log value) no data available
Vapour pressure 1.7E-07mmHg at 25°C
Density and/or relative density 1.031g/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: no data available IMDG: no data available IATA: no data available

14.2 UN Proper Shipping Name

ADR/RID: no data available
IMDG: no data available
IATA: no data available

14.3 Transport hazard class(es)

ADR/RID: no data available IMDG: no data available IATA: no data available

14.4 Packing group, if applicable

ADR/RID: no data available IMDG: no data available IATA: no data available

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
pramocaine pramocaine 140-65-8 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 13, 2017
Revision Date Aug 13, 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.
Spectrum
NMR Spectrum 1H NMR : Predict
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Mass Spectrum Mass spectrum (electron ionization)
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Analysis Methods
Kovats' RI, non-polar column, isothermal
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Column Shape
Packed
Active Phase(℃)
OV-101
Retention index
2263.
Temperature Control
210.
Method
isothermal
Comments
 
Reference
Delbeke, F.T.Debackere, M.Desmet, N.Detection of some local anaesthetics in horse urine and plasma by gas-liquid chromatographyJ. Chromatogr.1981, 206, 3, 594-599.
Kovats' RI, non-polar column, isothermal
expand collapse
Column Shape
Packed
Active Phase(℃)
OV-101
Retention index
2270.
Temperature Control
220.
Method
isothermal
Comments
 
Reference
Delbeke, F.T.Debackere, M.Desmet, N.Detection of some local anaesthetics in horse urine and plasma by gas-liquid chromatographyJ. Chromatogr.1981, 206, 3, 594-599.
Kovats' RI, non-polar column, temperature ramp
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Column Shape
Capillary
Active Phase(℃)
SE-30
Retention index
2275.
Temperature Control
Method
temperature ramp
Comments
25. m/0.49 mm/1.14 μm, 100. C @ 2. min, 8. K/min, 275. C @ 15. min
Reference
Schepers, P.Wijsbeek, J.Franke, J.P.de Zeeuw, R.A.Applicability of capillary gas chromatography to substance identification in toxicology by means of retention indicesJ. Forensic Sci.1982, 27, 1, 49-60.
Van Den Dool and Kratz RI, non-polar column, temperature ramp
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Column Shape
Capillary
Active Phase(℃)
SE-30
Retention index
2248.
Temperature Control
Method
temperature ramp
Comments
15. m/0.25 mm/0.25 μm, He, 5. K/min; T<sub>start</sub>: 100. C; T<sub>end</sub>: 295. C
Reference
Anderson, W.H.Stafford, D.T.Applications of capillary gas chromatography in routine toxicological analysesJ. Hi. Res. Chromatogr. Chromatogr. Comm.1983, 6, 5, 247-254.
Van Den Dool and Kratz RI, non-polar column, temperature ramp
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Column Shape
Packed
Active Phase(℃)
SE-30
Retention index
2270.
Temperature Control
Method
temperature ramp
Comments
N2, Chromosorb W, 130. C @ 2. min, 8. K/min, 290. C @ 8. min; Column length: 1.8 m
Reference
Perrigo, B.J.Peel, H.W.The use of retention indices and temperature-programmed gas chromatography in analytical toxicologyJ. Chromatogr. Sci.1981, 19, 5, 219-226.
Toxicity
ACUTE TOXICITY DATA
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Type of Test
LD50 - Lethal dose, 50 percent kill
Exposure Route
Intraperitoneal
Species Observed
Rodent - mouse
Dose/Duration
300 mg/kg
Toxic Effects
Details of toxic effects not reported other than lethal dose value--
Reference
Anesthesia and Analgesia (New York). (Elsevier Science Pub. Co., Inc., 52 Vanderbilt Ave., New York, NY 10017) V.36- 1957- Volume(issue)/page/year: 38,265,1959
ACUTE TOXICITY DATA
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Type of Test
LD50 - Lethal dose, 50 percent kill
Exposure Route
Subcutaneous
Species Observed
Rodent - mouse
Dose/Duration
900 mg/kg
Toxic Effects
Details of toxic effects not reported other than lethal dose value--
Reference
Anesthesia and Analgesia (New York). (Elsevier Science Pub. Co., Inc., 52 Vanderbilt Ave., New York, NY 10017) V.36- 1957- Volume(issue)/page/year: 38,265,1959
ACUTE TOXICITY DATA
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Type of Test
LD50 - Lethal dose, 50 percent kill
Exposure Route
Intravenous
Species Observed
Rodent - mouse
Dose/Duration
79 mg/kg
Toxic Effects
Details of toxic effects not reported other than lethal dose value--
Reference
European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 10,291,1975

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