Product Identification

Product Name

Isoproturon

Synonyms

3-(4-Isopropylphenyl)-1,1-dimethylurea
N'-(4-Isopropylphenyl)-N,N-dimethylurea
N-(4-Isopropylphenyl)-N',N'-dimethylurea
N'-(p-Cumenyl)-N,N-dimethylurea
N'-(p-Isopropylphenyl)-N,N-dimethylurea
N,N-Dimethyl-N'-[4-(1-methylethyl)phenyl]urea

CAS

34123-59-6

Formula

C12H18N2O

Molecular Weight

206.29

EINECS

251-835-4

RTECS

YT0170000

RTECS Class

Agricultural Chemical and Pesticide; Mutagen; Reproductive Effector

Merck

12,5237

Beilstein/Gmelin

2214033

Beilstein Reference

6-12

EC Index Number

006-044-00-7

Physical and Chemical Properties

Appearance

colorless solid

Solubility in water

65 mg/L (22 C)

Melting Point

157 - 158

Boiling Point

353

Vapor Pressure

4E-5 (25 C)

Density

1.16 g/cm3 (25 C)

Partition Coefficient

2.25

Heat Of Vaporization

59.8 kJ/mol

Usage

Herbicide.

First Aid Measures

Ingestion

If swallowed, wash out mouth with water provided person is conscious. Call a physician.

Inhalation

If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.

Skin

In case of skin contact, flush with copious amounts of water for at least 15 minutes. Remove contaminated clothing and shoes. Call a physician.

Eyes

In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Handling and Storage

Storage

Keep tightly closed.

Hazards Identification

Inhalation

Harmful if inhaled. Material may be irritating to mucous membranes and upper respiratory tract.

Skin

May cause skin irritation. Harmful if absorbed through skin.

Eyes

May cause eye irritation.

Ingestion

Harmful if swallowed.

Hazards

Emits toxic fumes under fire conditions.

EC Risk Phrase

22 40 50/53

EC Safety Phrase

36/37 60 61

UN (DOT)

3077

Exposure Controls/Personal Protection

Personal Protection

Compatible chemical-resistant gloves. Chemical safety goggles.

Respirators

Government approved respirator.

Exposure Effects

Harmful. Dangerous for the environment. Harmful if swallowed. Limited evidence of a carcinogenic effect. Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. Possible Carcinogen (US).

Poison Class

4

Fire Fighting Measures

Flash Point

167

Fire Fighting

Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.

Fire Potential

May burn but does not ignite readily.

Accidental Release Measures

Small spills/leaks

Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.

Stability and Reactivity

Stability

Stable at normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, Carbon dioxide, Nitrogen oxides.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

3077

Hazard Class

9

Packing Group

III