Sodium Metabisulphite Na2S2O5 Mining/Food Grade

Short Description:

Product Name: Sodium Metabisulphite

Formula: Na2S2O5

Molecular Weight: 190.1065

CAS: 7681-57-4

Einecs No: 231-673-0

HS Code: 2832.2000.00

Appearance: White or Light Brown Powder

Product Detail

Product Tags





Content(as Na2S2O


Iron(as Fe)


Water insoluble





In the woven bag lined with plastic, net wt.25kgs or 1000kgs bags.


Used in the production of insurance powder, sulfamethazine, an algin, caprolactam, etc; Used for the purification of chloroform, phenylpropanesulfone and benzaldehyde. An ingredient used as a fixing agent in the photographic industry; The fragrance industry is used to produce vanillin; Used as antiseptic in brewing industry; Rubber coagulant and dechlorination agent after bleaching of cotton cloth; Organic intermediates; Used for printing and dyeing, leather making; Used as reducing agent; Used as electroplating industry, oil field wastewater treatment and mineral processing agent for mines; It is used as antiseptic, bleaching agent and loosening agent in food processing.
Storage precautions
Store in a cool, dry and well ventilated warehouse. Keep away from kindling and heat sources. Keep container sealed. It should be stored separately from oxidants, acids and edible chemicals, and mixed storage is prohibited. It should not be stored for a long time to avoid deterioration. The storage area shall be equipped with suitable materials to contain leakage.
Storage and expiration date: shaded and sealed.
Packing matters
It shall be packed in plastic woven bags lined with polyethylene plastic bags, with a net weight of 25kg or 50kg. It shall be stored in a cool and dry warehouse. The package shall be sealed to prevent air oxidation. Pay attention to moisture. During transportation, it shall be protected from rain and sunlight. It is strictly prohibited to store and transport with acids, oxidants and harmful and toxic substances. This product should not be stored for a long time. Handle with care during loading and unloading to prevent the package from cracking. In case of fire, water and various fire extinguishers can be used to put out the fire.
1. The packaging bag (barrel) shall be painted with firm marks, including: product name, grade, net weight and manufacturer name;
2. Sodium pyrosulfite shall be packed in plastic woven bags or drums, lined with plastic bags, with a net weight of 25 or 50kg;
3. The product shall be protected from damage, moisture and deterioration in case of heat during transportation and storage. It is forbidden to coexist with oxidants and acid;
4. The storage period of this product is 6 months from the date of production.
Packing: 25kg net inner plastic outer woven bag or 1100 kg net heavy packing bag.
Package type: z01
The package shall be complete and the loading shall be stable. During transportation, ensure that the container does not leak, collapse, fall or damage. It is strictly prohibited to mix with oxidants, acids and edible chemicals. During transportation, it shall be protected from sunshine, rain and high temperatures. The vehicle shall be thoroughly cleaned after transportation.


  • Previous:
  • Next:

  • Write your message here and send it to us