Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information
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N-Methylurea(598-50-5)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information

Product Identification

Product Name
N-Methylurea
Synonyms
1-Methylurea
Monomethylurea
N-Methylurea
CAS
598-50-5
Formula
C2H6N2O
Molecular Weight
74.08
EINECS
209-935-0
RTECS
YT7175000
RTECS Class
Agricultural Chemical and Pesticide; Mutagen
Beilstein/Gmelin
878189
Beilstein Reference
4-04-00-00205

Physical and Chemical Properties

Appearance
White, crystalline needles.
Solubility in water
1000 g/L
Melting Point
98 - 102
Boiling Point
240
Vapor Pressure
0.2 (101 C)
Density
1.204 g/cm3
Partition Coefficient
-1.05
Heat Of Vaporization
71.4 kJ/mol
Heat Of Combustion
-1312 kJ/mol

First Aid Measures

Ingestion
Do NOT induce vomiting. Allow the victim to rinse his mouth and then to drink 2-4 cupfuls of water, and seek medical advice.
Inhalation
Remove from exposure to fresh air immediately.
Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids.

Handling and Storage

Storage
Store in a cool, dry place. Keep container closed when not in use.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.

Hazards Identification

Ingestion
Harmful if swallowed. Danger of cumulative effects.
Hazards
During a fire, irritating and highly toxic gasesmay be generated by thermal decomposition or combustion.
EC Safety Phrase
S 22 24/25

Exposure Controls/Personal Protection

Personal Protection
Wear appropriate safety goggles, protective clothing and gloves.
Respirators
Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.
Poison Class
4

Fire Fighting Measures

Autoignition
> 240
Fire Fighting
Wear a self-contained breathing apparatus inpressure-demand, MSHA/NIOSH (approved or equivalent), and fullprotective gear. In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.

Accidental Release Measures

Small spills/leaks
Evacuate area and ventilate. Wear protective equipment. If required, use an inert absrobent. Sweep up and place in an appropriate container for disposal. Wash contaminated surfaces.

Stability and Reactivity

Disposal Code
3
Incompatibilities
Keep away from strong oxidizing agents.
Stability
Stable under normal temperatures and pressures.

Transport Information

HS Code
2924 19 00
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