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Sodium metabisulfite
Product name:
Sodium metabisulfite
Alias:
Sodium pyrosulfite; disodium disulphite; Sodium metabisulphite; Sodium disulphite; Sodium pyrosulphite; SODIUM DISULFITE; disodium oxidosulfanesulfonate oxide; Sodium Metabi; Metabisulfite Sodium
CASE NO.:
7681-57-4
EINECS No.:
231-673-0
Molecular Formula:
Na
2
S
2
O
5
Molecular weight:
190.1065
Inches:
inch=1/2Na. H2O5S2/C;; 1-6(2)7(3,4)5/H;; (H,1,2) (H,3,4,5)/K2*+1;/p-2
Molecular structure:
Melting Point:
150℃
Water solubility:
540 g/L (20℃)
Physicochemical properties:
Property White or yellowish crystalline powder.
Relative Density 1.4
Solubility Soluble in water, the aqueous solution is acidic.
Soluble in glycerol, slightly soluble in ethanol.
Uses:
It is used as bleaching agent, mordant, reducing agent, rubber coagulant, and also used in organic synthesis, pharmaceuticals and spices
Hazard Signs:
SN
: Harmful;
Risk Terminology:
R22: ;
R31: ;
R41: ;
Security Terminology:
S26: ;
S39: ;
S46: ;
Upstream Raw Materials:
Soda ash, sulfur
Downstream Products:
Sodium sulfite, diethyl ether, 1-phenyl-3-methyl-5-pyrazolione, 1,4-hydroquinone, 4-aminophenol, sodium benzenesulfonate, 1,3,3-trimethyl-2-methyleneindoline, bis-J acid, 1,3-dinitrobenzene, phenylhydrazine, 1,2-diazooxynaphthalene-4-sulfonic acid, 1-amino-2-naphthol-4-sulfonic acid, 1,2-diazooxy-6-nitro-4-naphthalene sulfonic acid, sodium isethionate, permethrin
Previous product：
Manganese(ii) carbonate
Next product：
Industrial salts
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