Packings
05640
Article No. 05640
Purity 99.5%
Molecular Formula C7H6O3
H.S. Code 2918.2110
Grade AR
CAS No. 69-72-7
Molecular Weight 138.12
Shelf Life 60 Months

Physical Properties

Specifications

Safety Information and Hazard Symbols

Symbol:


Physical Properties

Physical state at 20 °C Solid Colour White powder
Odour Odorless pH value 2.4 at 20 °C
Melting point/ Freezing point [°C] 158 - 161 °C Decomposition point [°C] 211°C
Auto-ignition temperature [°C] 545°C Flash point [°C] 157 °C
Boiling point [°C] 211 °C Vapour pressure mm/Hg 1 mm Hg at 114 °C
Vapour density 4.8 Density [g/cm3] 1.44
Solubility in water [% weight] Partially soluble in water Partition coefficient Log Pow octanol / water at 20°C 2.21
Explosion limits -lower [%] 1.10%

Specifications

Appearance A white powder. Assay Min 99.5%
Melting point 159 - 161 deg C Alcohol insoluble matter Max 0.005%
Sulphated ash Max 0.05% Chloride (Cl) Max 0.001%
Sulphate (SO4) Max 0.02% Copper (Cu) Max 0.0002%
Iron (Fe) Max 0.0002% Lead (Pb) Max 0.0002%

Safety Information and Hazard Symbols

Corrosion Exclamation Mark Health Hazard

Symbol: GHS05, GHS07, GHS08
Signal Word: Danger
Hazardous Statement: H302-H318-H361d
Precaution Statement: P202-P280-P301+P312-P305+P351+P338-P308+P313