101597  Sodium dithionite

Na₂S₂O₄

Sodium hydrosulfite,Sodium hypodisulfite

CAS-No.7775-14-6 EC-No.231-890-0 HS-No.2831101000

M=174.11g/mol Spec.density 2.5 g/cm³ (20°C)

Ignition temp. >200°C Flash point >100°C

Melting point~100°C(decomposition)

 R 7-22-31 S 7/8-26-28.1-43.6 UN1384

Sodium dithionite  AR

Specification  Q/GDGH 31-2003

Assay(Na₂S₂O₄)

>=90.0%

Insoluble matter in water

pass

Sulfide(S)

pass

Iron(Fe)

<=0.002%

Heavy metals(as Pb)

<=0.002%

Ord.No.

Packaging

Quantity

Plastic bottle

500g

Sodium dithionite  CP

Specification  Q/GDGH 31-2003

Assay(Na₂S₂O₄)

>=88.0%

Insoluble matter in water

pass

Sulfide(S)

pass

Iron(Fe)

<=0.004%

Heavy metals(as Pb)

<=0.004%

Ord.No.

Packaging

Quantity

1.01597.014

Plastic bottle

500g