CAS No. 1610-18-0

Formula: C10H19N5O
Basic Info

Prometon is a herbicide for annual and perennial broad-leaf weed, brush and grass control mainly in non-cropping situations.

Molecular Weight
Exact Mass






Pramitol 5P

Primatol 25e



Gesafram 50








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Boiling Point
359ºC at 760mmHg
Flash Point
Refractive Index
Storage Condition
Vapor Pressure
2.45E-05mmHg at 25°C
Safety Info
Risk Statements
R22; R36/37/38
HS Code
Hazard Codes
SDS 1.0
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According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017


1.1 GHS Product identifier

Product name prometon

1.2 Other means of identification

Product number -
Other names 6-methoxy-N2,N4-di(propan-2-yl)-1,3,5-triazine-2,4-diamine

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

Eye irritation, Category 2

Specific target organ toxicity – single exposure, Category 3

Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 2

2.2 GHS label elements, including precautionary statements

Signal word


Hazard statement(s)

H302 Harmful if swallowed

H315 Causes skin irritation

H319 Causes serious eye irritation

H335 May cause respiratory irritation

H411 Toxic to aquatic life with long lasting effects

Precautionary statement(s)

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.

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

P273 Avoid release to the environment.


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.

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.

P391 Collect spillage.


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

P405 Store locked up.


P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification


3.Composition/information on ingredients

3.1 Substances

Chemical name Common names and synonyms CAS number EC number Concentration
prometon prometon 1610-18-0 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

/SRP:/ Basic Treatment: Establish a patent airway (oropharyngeal or nasopharyngeal airway, if needed). Suction if necessary. Encourage patient to take deep breaths. Watch for signs of respiratory insufficiency and assist ventilations if necessary. Administer oxygen by nonrebreather mask at 10 to 15 L/min. Monitor for pulmonary edema and treat if necessary ... . Monitor for shock and treat if necessary ... . Anticipate seizures and treat if necessary ... . For eye contamination, flush eyes immediately with water. Irrigate each eye continuously with 0.9% saline (NS) during transport ... . Do not use emetics. For ingestion, rinse mouth and administer 5 ml/kg up to 200 ml of water for dilution if the patient can swallow, has a strong gag reflex, and does not drool ... . /Irritating materials/

5.Fire-fighting measures

5.1 Extinguishing media

Suitable extinguishing media

Extinguish fire using agent suitable for type of surrounding fire. ... Use water in flooding quantities as fog. Use "alcohol foam" ... Wear positive pressure self-contained breathing apparatus when fighting fires involving this material. /Triazine pesticide (compounds and preparations), solid (insecticides, agricultural, not elsewhere classified, other than liquid)/

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

For minor spills. leaks, etc.. follow all precautions indicated on /the pesticide/ label and clean up immediately. Take special care to avoid contamination of equipment and facilities during cleanup procedures and disposal of wastes. In the event of a major spill, fire, or other emergency, call 1-800-535-5053 (INFOTRAC). day or night. /Pramitol 4RR/

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

Do not contaminate water, food. or feed by storage ... Store at temperatures above 32 deg F./Pramitol 4RR/

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 Colorless powder
Odour no data available
Melting point/ freezing point 91 to 92°C
Boiling point or initial boiling point and boiling range 359ºC at 760mmHg
Flammability no data available
Lower and upper explosion limit / flammability limit no data available
Flash point 170.9ºC
Auto-ignition temperature no data available
Decomposition temperature no data available
pH no data available
Kinematic viscosity no data available
Partition coefficient n-octanol/water (log value) log Kow = 2.99
Vapour pressure 2.45E-05mmHg at 25°C
Density and/or relative density 1.133g/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 to hydrolysis @ 20°C in neutral, alkaline or slightly acidic media. ...

10.3 Possibility of hazardous reactions


10.4 Conditions to avoid

no data available

10.5 Incompatible materials

no data available

10.6 Hazardous decomposition products

Decomposed by uv radiation.

11.Toxicological information

Acute toxicity

  • Oral: LD50 Rat oral 2980 mg/kg /Technical/
  • Inhalation: LC50 Rat inhalation > 3.26 mg/l/4 hr /Technical/
  • Dermal: LD50 Rabbit percutaneous > 2000 mg/kg /Technical/

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


Cancer Classification: Group D Not Classifiable as to Human Carcinogenicity

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: LC50 Salmo gairdneri (Rainbow trout) 20 ppm/96 hr /Technical; conditions of bioassay not specified
  • Toxicity to daphnia and other aquatic invertebrates: EC50; Species: Daphnia magna (Water flea, age <24 hr); Conditions: freshwater, static, 21°C; Concentration: 78000 ug/L for 24 hr; Effect: intoxication, immobilization /96-99.9% purity
  • Toxicity to algae: EC50; Species: Pseudokirchneriella subcapitata (Green algae) Conditions: freshwater, static; Concentration: 98 ug/L for 5 days (95% confidence interval: 88-108 ug/L); Effect: population abundance /97% purity
  • Toxicity to microorganisms: no data available

12.2 Persistence and degradability

AEROBIC: In one investigation, no changes in phytotoxicity were observed in moist, organic soil treated with 17.5 ppm of prometon after 8 wk of incubation; the soil was adjusted to four pHs: 4.3, 5.3, 6.5, and 7.5(1). Several soil bacteria and fungi are reported to attack prometon(2). However, it is not known whether biodegradation is the primary degradation process in soil(2). Methoxy-s-triazines are more resistant to biodegradation than the corresponding methylthio- and chloro-s-triazines(2). Average soil half-life is reported as 932 days(3). In soil, microbial degradation involves hydrolytic cleavage of the methoxy group to give hydroxy metabolites, and dealkylation of the side chains(4). Persistence in soil can be as much as one year, depending upon soil type, moisture, and the application rate(4).

12.3 Bioaccumulative potential

An estimated BCF of 19 was calculated in fish for prometon(SRC), using a log Kow of 2.99(1) and a regression-derived equation(2). According to a classification scheme(3), this BCF suggests the potential for bioconcentration in aquatic organisms is low(SRC).

12.4 Mobility in soil

A mean Koc of 524.3 was reported for prometon in 29 soils(1). The Freundlich adsorption constant, K, and exponent, 1/n, for prometon on San Joaquin sandy loam (0.72% organic carbon, 9.7% clay, pH 6.2) at 25°C were 2.94 and 0.81, respectively; the corresponding Koc is 408 at a concn of 1 ppm and 305 at a concn of 10.3 ppm(2). Koc values of 572 and 395 were determined in Hanford sandy loam (0.43% organic C, pH 6.05, 7.1% clay, 25.8% silt, 67.1% sand) and Tujunga loamy sand (0.33% organic C, pH 6.3, 4.5% clay, 13.5% silt, 82.0% sand), respectively(3). According to a classification scheme(4), these Koc values suggest that prometon is expected to have low to moderate mobility in soil(SRC). Only 0.1% of prometon applied to a 30.5 cm column and leached under unsaturated flow conditions with 1.2 cm of water/day, was found in leachate at the end of 30 days(5). Prometon was included in mobility class 3, on a scale from 1 (immobile) to 5 (very mobile)(6). Prometon is adsorbed onto soil humic acid, forming stable complexes(7). Ionic, hydrogen bonding, electron donor-acceptor, and covalent forces contribute to the binding. The fact that the basicity of several s-triazines, and hence their tendency to form ionic bonds, is not correlated with adsorptivity indicate that ionic bonding is not the primary factor governing adsorption(7). Data on the free radical content of humic acid adducts, demonstrate that electron donor-acceptor forces are particularly important in the binding of prometon to soil(7). The Freundlich adsorption constant, K, and exponent, 1/n, for prometon on Volcay bentonite at 25°C was 150 and 0.64, respectively(8). The mean sorption coefficient (Kd) of 4.86 was given for 59 measured values(9). A pKa of 4.3 at 21°C(10) indicates prometon will exist predominately in the unionized form under environmental pHs(SRC). Max adsorption of prometon onto soil organic matter occurred in the pH range 4.2 to 5.2; the addition of HCl or NaOH decreased adsorption(11). Approximately 52% of the prometon adsorbed by organic matter was desorbed with two extractions of 0.1 N NaCl(11).

12.5 Other adverse effects

no data available

13.Disposal considerations

13.1 Disposal methods


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: yes IMDG: yes IATA: yes

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
prometon prometon 1610-18-0 none
European Inventory of Existing Commercial Chemical Substances (EINECS) Listed.
EC Inventory Listed.
United States Toxic Substances Control Act (TSCA) Inventory 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 18, 2017
Revision Date Aug 18, 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%


  • IPCS - The International Chemical Safety Cards (ICSC), website:
  • HSDB - Hazardous Substances Data Bank, website:
  • IARC - International Agency for Research on Cancer, website:
  • eChemPortal - The Global Portal to Information on Chemical Substances by OECD, website:
  • CAMEO Chemicals, website:
  • ChemIDplus, website:
  • ERG - Emergency Response Guidebook by U.S. Department of Transportation, website:
  • Germany GESTIS-database on hazard substance, website:
  • ECHA - European Chemicals Agency, website:

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.
NMR Spectrum 1H NMR : Predict
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Mass Spectrum Mass spectrum (electron ionization)
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Synthesis Route
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Type of Test
Open irritation test
Exposure Route
Administration onto the skin
Species Observed
Rodent - rabbit
105 mg
Toxic Effects
Ciba-Geigy Toxicology Data/Indexes. (Ciba-Geigy Corp., 556 Morris Ave., Summit, NJ 07901) Volume(issue)/page/year: -,-,1977
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Type of Test
Standard Draize test
Exposure Route
Administration into the eye
Species Observed
Rodent - rabbit
21 mg
Toxic Effects
Ciba-Geigy Toxicology Data/Indexes. (Ciba-Geigy Corp., 556 Morris Ave., Summit, NJ 07901) Volume(issue)/page/year: -,-,1977
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Type of Test
LD50 - Lethal dose, 50 percent kill
Exposure Route
Species Observed
Rodent - rat
503 mg/kg
Toxic Effects
Details of toxic effects not reported other than lethal dose value--
Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 7,299,1986

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