SODIUM BISULPHITE POWDER MANUFACTURER


Sodium Bisulphite Powder

PRODUCT INFORMATION

Name : Sodium Bisulphite Powder

Grade : powder

Description : White crystalline Powder with odour of SO2.

PRODUCT DATA AND TYPICAL PROPERTIES

Chemical name : Sodium bisulfite (or sodium hydrogen sulfite)

Chemical formula : NaHSO 3

Molar mass : 104.06 g/mol

CAS-No. : 7631-90-5

EINECS-No. : 231-548-0

Properties : Solution is acidic and oxidizes when contacting air.

PRODUCT SPECIFICATION

Sodium Metabisulphite (NaHSO3) : % WT Min.100%

Sulfur Dioxide (SO 2) : % WT Min.62%

Iron (as Fe) : 20 ppm

Density : Kg/L 1.48

pH : 4.0 – 5.0

The product is tested using our standard analytical methods.

Application

  • Food: Preserving foodstuffs, aid with the production of starch, for ensiling green fodder.
  • Treatment of process water: Removal of excess chlorine, in special cases removal of oxygen
  • Treatment of waste water: e.g. removal of excess chlorine in the neutralization of cyanide, neutralization of chromic acid.
  • Chemical and pharmaceutical industry: As reducing agent, for purifying and isolating aldehydes and ketones. Destroying waste bromine.
  • Textile industry: Cleaning bleaching wool, jute and other vegetable fibres. For reduction in the dye works.
  • Leather industry: Solubilizing tanning extracts.
  • Paper and pulp industry: Bleaching ground wood.
  • Photographic and film industry: for developer solutions, for acidifying fixing baths.

Storage

Keep airtight bags in dry area. Avoid humid area.

Safety

Harmful if swallowed. Contact with acids liberates toxic sulfur dioxide gas. Causes strong oxygen consumption in the water course; may harm aquatic organisms