7681-57-4,7681-57-4

Product Name: Sodium metabisulfite
Synonyms: disodiummetabisulfite;disodiumpyrosulphite;fertisilo;metabisulfitedesodium;Sodiummetabisufite;sodiummetabisulfite(na2-s2o5);sodiumpyrosulfite(na2s2o5);Sodium dissulfite
CAS: 7681-57-4
MF: 2Na.O5S2
MW: 190.11
EINECS: 231-673-0
Product Categories: INORGANIC & ORGANIC CHEMICALS;Inorganics;inhibitor and freshen agent
Mol File: 7681-57-4.mol
Sodium metabisulfite Structure
Sodium metabisulfite Chemical Properties
mp  150 °C
density  1.48
storage temp.  Store at RT.
solubility  540 g/L (20°C)
Water Solubility  540 g/L (20 ºC)
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.
CAS DataBase Reference 7681-57-4(CAS DataBase Reference)
EPA Substance Registry System Disulfurous acid, disodium salt(7681-57-4)
Safety Information
Hazard Codes  Xn,Xi
Risk Statements  22-31-41-36/37/38-52
Safety Statements  26-39-46-36
RIDADR  3260
WGK Germany  1
RTECS  UX8225000
PackingGroup  III
Hazardous Substances Data 7681-57-4(Hazardous Substances Data)
MSDS Information
Sodium metabisulfite Usage And Synthesis
Chemical Properties white crystalline powder with a sulfur smell
Sodium metabisulfite Preparation Products And Raw materials
Raw materials Sodium carbonate-->Sulfur-->Sulfur dioxide-->Sulphur
Preparation Products 1,3,3-Trimethyl-2-methyleneindoline-->6-HYDROXY-7-METHOXY-4-PHENYLCOUMARIN-->1-(3-AMINO-2-CHLORO-PYRIDIN-4-YL)-ETHANONE-->Penetrating agent-->Bilirubin-->5-CHLORO-3-PYRIDINAMINE-->4-Chloro-3-(trifluoromethyl)benzaldehyde-->4-Methyl-3-nitropyridine-->1-(3-AMINO-PYRIDIN-4-YL)-ETHANONE-->5-Hydroxypicolinic acid-->o-Chlorobenzenesulfonamide-->2,4-DICHLORO-3-METHYL-5-NITROBENZOIC ACID-->Sodium benzenesulfinate-->Azoic Diazo Component 1-->Docusate sodium -->3-Nitroisonicotinic acid-->1-Diazo-2-naphthol-4-sulfonic acid-->SULFONATED ALIPHATIC POLYESTER-->3-CHLORO-5-NITROPYRIDINE-->2,4-DICHLORO-3-METHYLBENZOIC ACID-->6,6'-Ureylene-bis(1-naphthol-3-sulfonic acid)-->Folic acid-->4-bromo-1-(bromomethyl)-2-(4-chlorophenyl)-5-(trifluoromethyl)-1H-pyrrole-3-carbonitrile-->2-(4-chlorophenyl)-1-methyl-5-(trifluoromethyl)-1H-pyrrole-3-carbonitrile-->Salicylamide-->3-Amino-2,4,6-triiodobenzoic acid-->oil-proof, water-proof finishing agent-->2-(4-CHLOROPHENYL)-4-BROMO-1-METHYL-5-(TRIFLUOROMETHYL)-1H-PYRROLE-3-CARBONITRILE-->Aminophenazone-->5-Bromo-6-chloronicotinic acid-->2-propylisonicotinonitrile -->Acetazolamide-->Carbocistein-->(1S,2S,3R,5S)-(+)-2,3-Pinanediol-->friction reducer SAF-->5-BROMO-6-HYDROXYNICOTINIC ACID-->Sodium isethionate-->HYDROXOCOBALAMIN HYDROCHLORIDE-->valanea tanning extract