Isoproturon

  • 3-(4-Isopropylphenyl)-1,1-dimethylurea
  • N'-(4-Isopropylphenyl)-N,N-dimethylurea
  • N'-(p-Isopropylphenyl)-N,N-dimethylurea
  • N,N-Dimethyl-N'-[4-(1-methylethyl)phenyl]urea
  • N'-(p-Cumenyl)-N,N-dimethylurea
  • N-(4-Isopropylphenyl)-N',N'-dimethylurea
Formula
C12H18N2O
Structure
Description
colorless solid
Uses
Herbicide.

Registry Numbers and Inventories.
CAS
34123-59-6
EC (EINECS/ELINCS)
251-835-4
EC Index Number
006-044-00-7
22 40 50/53
36/37 60 61
RTECS
YT0170000
RTECS class
Agricultural Chemical and Pesticide; Mutagen; Reproductive Effector
UN (DOT)
3077
Merck
12,5237
Beilstein/Gmelin
2214033
Beilstein Reference
6-12
EPA OPP
512200
Swiss Giftliste 1
G-9681
Austrailia AICS
Listed
New Zealand
Listed

Properties.
Formula
C12H18N2O
Formula mass
206.29
Melting point, °C
157 - 158
Boiling point, °C
353
Vapor pressure, mmHg
4E-5 (25 C)
Density
1.16 g/cm3 (25 C)
Solubility in water
65 mg/L (22 C)
Partition coefficient, pKow
2.25
Heat of vaporization
59.8 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles.
Respirators
Government approved respirator.
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
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide, Nitrogen oxides.

Fire.
Flash Point,°C
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.
Hazards
Emits toxic fumes under fire conditions.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.
Health
1
 
Flammability
0
 
 
Reactivity
0
 

Health.
Poison_Class
4
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).
   Ingestion
Harmful if swallowed.
   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.

First aid
 
   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.

Transport.
UN number
3077
Response guide
Hazard class
9
Packing Group
III