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Product Information

Basic information about this product

Article No. 006551
Grade Extra Pure
Purity
CAS No. 7631-90-5
Molecular Formula NaHSO3
Molecular Weight 104.06
H.S. Code 2832.1010
Shelf Life 60 Months

Product Description

Detailed information about the product

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Slight odor of sulfur dioxide Melting point/ Freezing point [°C] 150°C
Density [g/cm3] 1.48 Solubility in water [% weight] Soluble in water

Specifications

Appearance White crystalline powder Assay (as SO2; iodometric) Min 58%
Chloride (Cl) Max 0.05% Heavy metal (as Pb) Max 0.001%
Insoluble matter Max 0.005% Iron (Fe) Max 0.003%
Solubility Passes test

Safety Information and Hazard Symbols

Exclamation Mark              

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H302
Precaution Statement: P264-P270-P301+P312-P501