1,3-DIMETHYLUREA |
PRODUCT
IDENTIFICATION
|
CAS
NO. |
96-31-1 |
|
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 |
|