On Chemball

My Chemball

As Supplier

My RFQ Manage Products

As Buyer

My RFQ Post RFQ

My Account

+86-571-8627 3270

Shouguang Xintian Chemical Co., Ltd.

11 YRS

Shandong, China

CNY 14.7 Million

46620 m²

Less than 50 people

Main Products: Sodium Metabisulfite

Shandong, China

Contact Supplier

Home Company Profile Contact Us Post Buying Request

High Purity Sodium Metabisulfite / CAS 7681-57-4

OVERVIEW

Packaging

25 KG/Woven Bag

Lead Time

14-30 days

Max Capacity

60000 MT/Year

REQUEST A QUOTATION

Submit

Get Free Samples

Less than 1KG required

DESCRIPTION

High Purity Sodium Metabisulfite

Chinese Name: 焦亚硫酸钠

CAS NO：7681-57-4

Molecular formula: Na₂S₂O₅

Molecular weight: 190.12

Melting point: 150 ℃

Appearance: white crystal or powder

Main content (Na₂S₂O₅): ≥ 97%

Typical Properties

It is used as preservative, bleach and loosening agent in food processing. In industry, sodium pyrosulfite is used in printing and dyeing, organic synthesis, printing, tanning, pharmaceutical and other departments; Sodium pyrosulfite is used in the chemical and pharmaceutical industries for the production of insurance powder, sulfamethazine, analgin, caprolactam, etc., as well as the purification of chloroform, phenylpropanesulfone and benzene formaldehyde. The photographic industry is used as an ingredient for fixing agents. Perfume industry is used to produce vanillin. It is used as preservative in brewing industry, rubber coagulant and dechlorination agent after cotton bleaching. Organic intermediates, dyes and tanning are used as reducing agents, electroplating industry, oilfield wastewater treatment and mineral dressing agent in mines.

CAS No.

7681-57-4

Formula

Na2O5S2

Molecular Mass

190.10700

Exact Mass

189.89800

PSA

124.92000

Logp

0.27220

IUPAC

Sodium metabisulfite

SMILES

[O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+]

Matter Classification

inorganic

GET SAMPLE