Packings
02860
Article No. 02860
Purity 99%
Molecular Formula C6H8O7.H2O
H.S. Code 2918.1400
Grade Extra Pure
CAS No. 5949-29-1
Molecular Weight 210.14
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 1.8 at 50 g/l at 20 °C
Melting point/ Freezing point [°C] 153°C Flash point [°C] 173.9 °C
Boiling point [°C] 175°C Vapour pressure mm/Hg 3.70E-009 mm Hg @ 250C
Vapour density 7.26 Density [g/cm3] 1.665
Solubility in water [% weight] 59.2% (20°C)

Specifications

Appearance White or almost white, crystalline powder, colourless crystals or granules, efflorescent Assay (by NaOH titration) Min 99%
Insoluble matter in water Max 0.01% Chloride (Cl) Max 0.005%
Sulphate (SO4) Max 0.01% Oxalate (as C2H2O4) Max 0.035%
Heavy metal (as Pb) Max 0.001% Lead (Pb) Max 0.001%
Iron (Fe) Max 0.001% Zinc (Zn) Max 0.001%
Arsenic (As) Max 0.0001% Calcium (Ca) Max 0.02%
Barium (Ba) Max 0.002% Reaction against H2SO4 Passes test
Water 7.5 - 8.8% Sulphated ash (at 600°C) Max 0.05%

Safety Information and Hazard Symbols

Exclamation Mark

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H319
Precaution Statement: P305 + P351 + P338