L(+) TARTARIC ACID Extra Pure

Chemical Information
Article No.	AL4438
Grade	Extra Pure
Purity	99.50%
CAS Number	87-69-4
Molecular Formula	C4H6O6
Molecular Weight	150.09
HS Code	29181200
Shelf Life	5 Years

Physical Properties
Vapour density	5.18
Solubility in water(% weight)	150 g/l at 20 °C - completely soluble
Colour	White crystalline
Auto-ignition temperature(°C)	425 °C
Melting point/ Freezing point(°C)	170 - 172 °C
Flash point(°C)	150 °C
pH value	1 - 2 at 150 g/l at 25 °C
Density (g/cm3)	1.76
Odour	Odorless
Physical state at 20 °C	Solid

Safety Information and Hazard Symbols
Signal Word	Warning
Precaution Statement	P261-P305 + P351 + P338
Symbol	GHS07
Hazardous Statement	H315-H319-H335

Specifications
Assay	Min 99.5%
Sulphate (SO4)	Max 0.015%
Zinc (Zn)	Max 0.001%
Sulphated ash	Max 0.05%
Copper (Cu)	Max 0.001%
Heavy metals (as Pb)	Max 0.001%
Arsenic (As)	Max 0.0001%
Chloride (Cl)	Max 0.002%
Appearance	White crystalline powder