SALICYLIC ACID Extra Pure

Chemical Information
Article No.	AL3948
Grade	Extra Pure
Purity	99%
CAS Number	69-72-7
Molecular Formula	C7H6O3
Molecular Weight	138.12
HS Code	29182110
Shelf Life	5 Years

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

Safety Information and Hazard Symbols
Signal Word	Danger
Precaution Statement	P280-P305 + P351 + P338
Symbol	GHS05, GHS07
Hazardous Statement	H302-H318

Specifications
Iron (Fe)	Max 0.0002%
Assay	99.0-100.5%
Sulphate (SO4)	Max 0.02%
Sulphated ash	Max 0.1%
Heavy metals (as Pb)	Max 0.002%
Chloride (Cl)	Max 0.01%
Appearance	A white powder.
Melting range	158 - 161 °C