Packings
06195
Article No. 06195
Purity 99.5%
Molecular Formula C4H6O6
H.S. Code 2918.1200
Grade Extra Pure
CAS No. 87-69-4
Molecular Weight 150.09
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 1 - 2 at 150 g/l at 25 °C
Melting point/ Freezing point [°C] 170 - 172 °C Auto-ignition temperature [°C] 425°C
Flash point [°C] 150 °C Vapour density 5.18
Density [g/cm3] 1.76 Solubility in water [% weight] 150 g/l at 20 °C - completely soluble

Specifications

Appearance White crystalline powder Assay Min 99.5%
Specific optical rotation ([α]20/D) +12.0° to +12.8° Chloride (Cl) Max 0.002%
Sulphate (SO4) Max 0.015% Oxalate (as C2H2O4) Max 0.05%
Heavy metal (as Pb) Max 0.001% Copper (Cu) Max 0.001%
Zinc (Zn) Max 0.001% Arsenic (As) Max 0.0001%
Loss on drying (at 105°C) Max 0.5% Sulphated ash Max 0.05%

Safety Information and Hazard Symbols

Exclamation Mark

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338