1,3-DIMETHYLUREA

PRODUCT IDENTIFICATION

CAS NO. 96-31-1

1,3-DIMETHYLUREA

EINECS NO. 202-498-7
FORMULA CH3NHCONHCH3
MOL WT. 88.11
H.S. CODE 3102.10

TOXICITY

 
SYNONYMS N,N'-Dimethylurea; symmetric Dimethylurea;
N,N'-Dimethylharnstoff (German); Urea, 1,3-dimethyl-; DMU; 1,3-Dimetilurea (Spanish); 1,3-Diméthylurée (French);

SMILES

 

CLASSIFICATION

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE

white flake

MELTING POINT 104 C
BOILING POINT

267 C

SPECIFIC GRAVITY 1.15
SOLUBILITY IN WATER freely soluble
pH

 

VAPOR DENSITY  

AUTOIGNITION

400 C

REFRACTIVE INDEX

 

NFPA RATINGS

 
FLASH POINT

157 C

STABILITY Stable under ordinary conditions

DESCRIPTION AND APPLICATIONS

1,3-Dimethylurea (DMU) is a solid in the form of white crystals with a faint ammonia-like odor It is soluble in water. It acts as a radical scavenger that protects isolated pancreatic islets from the effects of alloxan and dihydroxyfumarate exposure. Methyl amine and 1,3-dimethylurea are hydrolysis products of methyl isocyanate. It is used in manufacturing synthetic caffeine, resins and drugs. 1,3-Dimethylurea is used as a catalyst for condensation of methylamine with urea.

SALES SPECIFICATION

APPEARANCE

white flake

PURITY

95.0% max

SOLIDIFICATION POINT

102 C min

IRON

5ppm max

HEAVY METAL

20ppm max

WATER

0.2% max

TRANSPORTATION
PACKING 25kgs in bag
HAZARD CLASS  
UN NO.  
OTHER INFORMATION
Hazard Symbols: , Risk Phrases: , Safety Phrases: 24/25