Packings
02430
Article No. 02430
Purity 99%
Molecular Formula C8H10N4O2
H.S. Code 2939.3000
Grade AR
CAS No. 58-08-2
Molecular Weight 194.19
Shelf Life 60 Months

Physical Properties

Specifications

Safety Information and Hazard Symbols

Symbol:


Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless pH value 6.9
Melting point/ Freezing point [°C] 234 - 236°C Boiling point [°C] 178°C
Density [g/cm3] 1.23 Solubility in water [% weight] 1 gm in 46 mls water
Partition coefficient Log Pow octanol / water at 20°C 0.07

Specifications

Appearance Silky white crystals or crystalline powder; odourless; sublimes readily Assay (on dried basis) 99.0- 101.5%
Solubility Sparingly soluble in water, freely soluble in boiling water, slightly soluble in ethanol (96 per cent). It dissolves in concentrated solutions of alkali benzoates or salicylates. Identification To comply IP,BP test
Appearance of solution To comply IP,BP test Melting point 235 - 237°C
Insoluble matter in water Max 0.005% Acidity or alkalinity To comply IP/BP test
Related Substances To comply IP,BP test Sulphate (SO4) Max 0.05%
Heavy metal (as Pb) Max 0.002% Loss on drying ((at 105°C for 1hr) Max 0.5%
Sulphated ash Max 0.1% Copper (Cu) Max.0.0002%
Iron (Fe) Max.0.0002% Lead (Pb) Max.0.0002%
Zinc (Zn) Max.0.0002% Theobromine (C7H8N4O2) Max.0.2%

Safety Information and Hazard Symbols

Exclamation Mark              

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H302
Precaution Statement: P264 - P270 - P301 + P312 - P501