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Potassium Metabibisulfite is a crystalline powder. Potassium metabibisulfite is commonly used as an antioxidant and preservative (E224) in winemaking and other applications. It may also be used in the brewing and textile industries.

CAS Number: 16731-55-8

Hydrite Chemical Co.

300 N Patrick Blvd, brookfileld, united states

united states united states

POTASSIUM POTASSIUM
potassium metabisulfite food grade min97.2

potassium metabisulfite

food grade
min97.2

executive standard: european food grade  potassium metabisulfite E224

molecular formula: K2S2O5=222.326

molecular weight: 222.33

CAS Number: 16731-55-8

Product characteristics: The Product was colorless crystal or white crystalline powder with the relative density of 2.34 .The melting point was 150-190 ℃ (decomposition). The product had a flavor of sulfur dioxide and soluble in water with acidic aqueous solution, it was not soluble in ethanol. Sulfur dioxide was released from acidic solution and oxidized to sulfate in the air.

 

Technical index

Test item

Unit

Specification

Test method

K2S2O5

g/100g

≥97.2

acc.Fcc IV p.322

SO2

g/100g

≥56.0

calculated

K2S2O3

g/100g

≦ 0.1

ISO 3629-1996(E)

Na

g/100g

≦ 2

AAS

Cl

g/kg

≦ 0.5

IC

pH-value(10%solution)

-

3.8-4.8

RCA/Q-S-066

heavy metal(measured by Pb)

mg/kg

≦10

AAS

As

mg/kg

≦ 1

AAS

Cu

mg/kg

≦1

ICP-AES

Fe

mg/kg

≦5

ICP-AES

Hg

mg/kg

≦0.1

AAS(cold vapour)

Pb

mg/kg

≦1

ICP-AES

Se

mg/kg

≦1

AAS

Zn

mg/kg

≦ 1

ICP-AES

K2SO3 +K2SO4

mg/kg

excess material

calculation

Product usage

the product was used for the preparation of photographic developing solution, which was also used as food bleaching agents, preservatives, antioxidants .In addition, it could be used to retain freshness of wine, fruit juice, beer clarifying agent, fruits and vegetables, meat , grapes, as well as the non-cyanide silver plating.

Product package: 25 kg per bag, composite bag lined with plastic bag, or by user’s request.

 

CAS Number:16731-55-8
Appearance: colorless crystal or white crystalline powder

Acm Chemicals

Verified Supplier

Savli Rd. Manjusar Village. Dist.Savli,, india

india india

potassium

Petrochem

Level 16, Sidra Tower/Fraser Suites PO Box 113597, Dubai UAE, united arab emirates

united arab emirates united arab emirates

potassium

Pawar Chemicals

Verified Supplier

# 36/11, Ground Floor, 2nd Cross, G - Block, Sahakar Nagar, india

india india

potassium

jay Dinesh Chemicals

303-304 MURLIDHAR COMPLEX, OPP FATEHPURA POST OFFICE, PALADI AHMEDABAD, india

india india

potassium potassium

Pari Chemicals

37, Nagdevi Street Ground floor, opp. Ram Mandir Mumbai 400004, india

india india

potassium potassium

Imperial Oilfield Chemicals Pvt. Ltd.

No. 302, Vama Square, Near Ayurvedic Cross Roads, Outside Panigate Yakutpura,, india

india india

potassium potassium

Canton Chem, Inc.

6310 Kerne Ct. Clarksville, MD 21029 USA, united states

united states united states

potassium potassium

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