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POTASSIUM METABISULFITE CAS 16731-55-8

dipotassiumdisulfite;dipotassiummetabisulfite;Disulfurousacid,dipotassiumsalt;potassiummetabisulphate;pyrosulfurousacChemicalbookid,dipotassiumsalt;POTASSIUMMETABISULFITEREAGENT;POTASSIUMMETABISULFITE,CRYSTAL,FCC;POTASSIUMMETABISULFITE,CRYSTAL,NF


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Model: 16731-55-8
Brand: bosschem
Code: 16731-55-8

Product Description

POTASSIUM METABISULFITE Basic information
Product Name:	POTASSIUM METABISULFITE
Synonyms:	dipotassiumdisulfite;dipotassiummetabisulfite;Disulfurousacid,dipotassiumsalt;potassiummetabisulphate;pyrosulfurousacid,dipotassiumsalt;POTASSIUM METABISULFITE REAGENT;POTASSIUMMETABISULFITE,CRYSTAL,FCC;POTASSIUMMETABISULFITE,CRYSTAL,NF
CAS:	16731-55-8
MF:	K2O5S2
MW:	222.32
EINECS:	240-795-3
Mol File:	16731-55-8.mol
POTASSIUM METABISULFITE Chemical Properties
Melting point	190°C
density	2.34 g/cm3
vapor density	2.3 (vs air)
storage temp.	Store at +5°C to +30°C.
solubility	H2O: 0.1 M at 20 °C, clear, colorless
form	Powder/Solid
Specific Gravity	2.3
color	White to slightly yellow
PH	2.5-4.5 (25℃, 0.1M in H2O)
Odor	Odorless
PH Range	3-4.5 at 22.2 g/l at 25 °C
Water Solubility	Soluble in water. Insoluble in ethanol.
Sensitive	Air Sensitive
λmax	267nm(H2O)(lit.)
Decomposition	150°C
Merck	147,645
EPA Substance Registry System	Disulfurous acid, potassium salt (1:2) (16731-55-8)