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Product Information

Basic information about this product

Article No. 001691
Grade AR
Purity 98.5%
CAS No. 3458-72-8
Molecular Formula (NH4)3C6H5O7
Molecular Weight 243.22
H.S. Code 29181590
Shelf Life 60 Months

Hazard Information

Safety and hazard classification

GHS07 GHS07
Hazard Symbols
GHS07

Product Description

Detailed information about the product

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Melting point/ Freezing point [°C] 185 °C Boiling point [°C] 100 °C
Density [g/cm3] 1 Solubility in water [% weight] Soluble in water

Specifications

Appearance White deliquescent powder Assay 98.5 - 101%
pH (5% solution) 6.0 - 7.5 Insoluble matter in water Max 0.005%
Chloride (Cl) Max 0.001% Oxalate (as C2H2O4) Max 0.01%
Sulphate (SO4) Max 0.005% Copper (Cu) Max 0.0001%
Iron (Fe) Max 0.0005% Lead (Pb) Max 0.0005%
Potassium (K) Max 0.003% Sodium (Na) Max 0.004%
Readily carbonisable substance Passes test Reducing substance Passes test

Safety Information and Hazard Symbols

Exclamation Mark              

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P280-P302+P352-P305+P351+P338