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CAS NO.7681-57-4
good(200-18000)Metric Tongood(18000-36000)Metric Ton
Sodium metabisulfite Basic information
Description Uses Preparation Product Specification Health Hazard References
Product Name: Sodium metabisulfite
Synonyms: Sodium metabisulfite, SO2 58.5% min;disodiummetabisulfite;disodiumpyrosulphite;fertisilo;metabisulfitedesodium;Sodiummetabisufite;SodiumMetabisulphiteAcs;SodiumMetabisulphiteExtraPure
CAS: 7681-57-4
MF: 2Na.O5S2
MW: 190.11
EINECS: 231-673-0
Product Categories: inhibitor and freshen agent;Inorganics;INORGANIC & ORGANIC CHEMICALS
Mol File: 7681-57-4.mol
Sodium metabisulfite Structure
Sodium metabisulfite Chemical Properties
Melting point 150 °C
density 1.48
storage temp. Store at RT.
solubility 540 g/L (20°C)
form Powder/Solid
color White to slightly yellow
Specific Gravity 1.48
Odor Sulphorous
PH 3.5-5 (50g/l, H2O, 20℃)
PH Range 4.5 at 50 g/l at 20 °C
Water Solubility 540 g/L (20 ºC)
Sensitive Air & Moisture Sensitive
Merck 14,8638
Stability: Stable. Incompatible with strong oxidizing agents, strong acids. Contact with strong acids releases a poisonous gas. May be moisture and air sensitive.
InChIKey HRZFUMHJMZEROT-UHFFFAOYSA-L
CAS DataBase Reference 7681-57-4(CAS DataBase Reference)
EPA Substance Registry System Sodium metabisulfite (7681-57-4)
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