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Sodium sulfite EMPROVE™ ESSENTIAL Ph Eur, BP, NF, E 221, 100.5%, MilliporeSigma™

Catalog No. M1066529029 Shop All MilliporeSigma Products
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25 kg
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M1066529029 25 kg
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Catalog No. M1066529029 Supplier MilliporeSigma Supplier No. 1066529029

Chemical Identifiers

CAS 7757-83-7
Molecular Formula Na2O3S
Molecular Weight (g/mol) 126.04

Specifications

Melting Point > 500°C (decomposition)
pH 8.8 to 10 (50 g/L, H2O, 20°C)
Quantity 25 kg
Assay Percent Range Assay (iodometric): 95.0 to 100.5%; Assay (SO₂): ≥ 48.0%
Solubility Information 220 g/L
Packaging Double PE Sack
Density 2.63 g/cm3 (at 20°C); Bulk Density: 1480 kg/m3

Safety and Handling

Recommended Storage Store at 5 to 30°C
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