Potassium Metabisulfite 97%

ACROS Organics™

CAS	16731-55-8
Molecular Formula	K2O5S2
Molecular Weight (g/mol)	222.312
MDL Number	MFCD00167605
InChI Key	RWPGFSMJFRPDDP-UHFFFAOYSA-L
Synonym	potassium disulfite puriss. meets analytical specification of ph.eur. bp nf fcc e iodometric powder sulfur dioxide, sulfite potassium metabi-dipotassium oxidosulfanesulfonate oxide, potassium disulfite puriss. p.a iodometric powder, potassium disulfite vetec tm reagent grade, potassium disulfite bioultra rt, potassium disulfite analytical standard, dipotassium oxidosulfanesulfonate oxide, disulfurous acid potassium salt 1:2, pyrosulfurous acid dipotassium salt, potassium disulfite usp
PubChem CID	28019
SMILES	[O-]S(=O)S(=O)(=O)[O-].[K+].[K+]

Category: Salts

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Description

Part Number:418270025
CAS:16731-55-8

products

Chemical Name or Material	Potassium metabisulfite
CAS	16731-55-8
Assay Percent Range	97%
Linear Formula	K₂S₂O₅
Merck Index	15, 7766
Synonym	potassium disulfite puriss. meets analytical specification of ph.eur. bp nf fcc e iodometric powder sulfur dioxide, sulfite potassium metabi-dipotassium oxidosulfanesulfonate oxide, potassium disulfite puriss. p.a iodometric powder, potassium disulfite vetec tm reagent grade, potassium disulfite bioultra rt, potassium disulfite analytical standard, dipotassium oxidosulfanesulfonate oxide, disulfurous acid potassium salt 1:2, pyrosulfurous acid dipotassium salt, potassium disulfite usp
SMILES	[O-]S(=O)S(=O)(=O)[O-].[K+].[K+]
PubChem CID	28019
Physical Form	Fine Crystalline Powder
Heavy Metals (as Pb)	10ppm max.
Packaging	Glass bottle
Solubility	Solubility in water: 45g/L (20°C). Other solubilities: insoluble in ethanol
Melting Point	150.0°C

Name Note	97%
Purity Grade	Extra Pure
Molecular Formula	K2O5S2
MDL Number	MFCD00167605
Arsenic (As)	1ppm max.
InChI Key	RWPGFSMJFRPDDP-UHFFFAOYSA-L
Molecular Weight (g/mol)	222.312
Formula Weight	222.33
Percent Purity	97%
Iron (Fe)	5ppm max.
Selenium (Se)	1ppm max.
Color	White to Yellow
Quantity	2.5kg

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