Pharmacopoeial Name: 1,3-Dimethylurea
Chinese Pinyin Name: 1,3-Erjiajiniao
Chemical Name: N,N’-Dimethylharnstoff
CAS No.: [96-31-1]
- Description
1,3-Dimethylurea is an organic compound with the chemical formula C₃H₆N₂O. It is a derivative of urea, where two of the hydrogens have been replaced by methyl groups. - Product Specifications
Appearance
White or slightly yellow substance
Identification
Positive
Related substances:
А. Urea content
В. Content of related substances with a relative retention time of less than 1.0
– methylurea
– any unknown impurity
– total impurities
С. Content of related substances with a relative retention time of more than 1.0
– 1,5-dimethylbiuret
– 1,3-dimethylcyanuric acid
– 1,3,5-trimethylbiuret
– any unknown impurity
– total impurities
Total А+В+С
Not more than 0.2 %
Not more than 0.5 %
Not more than 0.5 %
Not more than 1 %
Not more than 0.5 %
Not more than 0.5 %
Not more than 0.5 %
Not more than 0.2 %
Not more than 1.5 %
Not more than 2 %
Loss on drying,
(2 g; 80 °C; 3 h)
Not more than 1.0 %
Melting point
102.0 °C – 110.0 °C
Assay
Not less than 97.0 %
-
Product Characteristics
Molecular Formula
C3H8N2O
Molecular Weight
88.11
Boiling Point
268-270 °C(lit.)
Melting Point
101-104 °C(lit.)
Density
1.142
Vapor Pressure
6 hPa (115 °C)
Flash Point
157 °C
Solubility
Solubility in water: 0.1 g/mL, clear, colourless
Storage Conditions
Store below +30°C
- Applications
Pharmaceutical Industry:
Theophylline derivatives
Caffeine analogs
Antiviral and anticancer agents
Used as protein stabilizer in biopharmaceutical formulations
Agricultural Chemistry:
Precursor for herbicides and plant growth regulators
Component in controlled-release fertilizer systems
Industrial Uses:
Reagent in polymer chemistry (polyurethane modifiers)
Solvent additive for specialty coatings
Corrosion inhibitor in metal treatment processes
- Packaging
25 kg fiber drums with polyethylene lining
1 kg aluminum foil bags for lab-scale quantities
Available (e.g., 1 kg retail packs, vacuum-sealed)
Samples and further technical data can be provided upon request.
More details, just contact: Cherry@coreychem.com
