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Anhydrous sodium sulfite buy in Changsha

Anhydrous sodium sulfite

Share   ID: 87002:470361

  • BrandYONTA
  • Country of manufactureChina
H.S. Code: 2832.100000
EINECS No.: 231-821-4
CAS No. : 7757-83-7
Formula: Na2SO3

Shipping Terms:

• Price: USD 305.- ~ USD 520.- / MT FOB Huangpu / Tianjin, China

• Minimum delivery volume: 25 MTS

• Terms of delivery: FAS, FOB

• Packing: carton

• Payment Terms: T / T, L / C (Sight / 90days), D / P, Western Union

• Country of origin: China

The main parameters of the product:


Brand : Changsha Yonta Industry Co

Identification of the product:

Number CAS: 7757-83-7

EINECS number: 231-821-4

HS Code: 2832.100000

Formula: Na2SO3

Molecular Weight: 126.04

Toxicity: Oral LD50: 820 mg / kg

Synonyms: Anhydrous sodium sulfite, disodium sulfite, sodium sulfite, sodium sulfate;

Sodium sulfate (German); sodium sulfite, disodium salt;

Physical and chemical properties:

Physical state: white crystalline powder

Melting point: Decomposes

Specific gravity: 2,633

Solubility in water: good

PH: 9

Vapor Density: 4.35

NFPA Rating: Health: 1 Flammability: 0 Reactivity: 0

Stability: under normal conditions


  • The pharmaceutical industry for the production of chloroform, benzene, styrene, formaldehyde sulfone.
  • Rubber industry as a coagulant.
  • Bleached cotton printing and dyeing industry as a dechlorination agent, cotton detergent. This can prevent the partial oxidation of cotton fabrics and fibers affects fiber strength.
  • Leather tanning industry for processing , makes the skin soft, plump, tough, waterproof, bending, wear and other properties.
  • In the chemical industry for the production of vanillin hydroxyl, hydroxylamine hydrochloride and so on.
  • Photographic industry as a developer, etc.
  • In the food industry as a bleaching agent, preservatives, disintegrant, anti-oxidant, colorants and insurance agent. as a reducing agent in the production of dehydrated vegetables.
  • The electronics industry for the manufacture of photosensitive resistance.
  • Paper, electronic, electrochemical water treatment for waste water, drinking water, etc.


Test Items / Quality Standard - Type (1) / Quality Standard - Type (2)

Appearance: white crystalline powder

Purity - Na2SO3: Min 97% / 93% Min

Water Insoluble: Max 0.02% / 0.03% Max

Fe: 0,003% Max / 0.005% Max

Free alkali, as Na2CO3: 0,1% Max / 0.4% Max

Sulfates, since: 2.5 Na2SO4% max / -

Chlorides and NaCl: 0,1% max / -


Storage: Store in a cool, dry place to avoid moisture and heat

Packing: 25 kg / 50 kg / 1000 kg net woven bags

Additional Information:

Changsha Yongtai Industrial Co., Ltd. This is - the leading professional trade / exporter of chemical raw materials in Hunan, China. He specializes in the production of chlorate, perchlorate, nitrate and permanganate for nearly 20 years. Including, but not limited to a series of products:

1). potassium chlorate, sodium chlorate, barium chlorate,

2). sodium perchlorate, potassium perchlorate, ammonium perchlorate

3). potassium nitrate, barium nitrate, lead nitrate

4). potassium permanganate, sodium permanganate

5). silicon fluoride, silicon fluoride

6). Aluminum powder, red phosphorus, zinc oxide, sodium sulfite, sodium bicarbonate and so on. 


Other business information:


Scope of supply: 22,000Mts / year

Loading capacity: 27Mts / 1080Bags (1x20'FCL)

Port of loading: Huangpu / Hengyang / Tianjin, China

Fresh stock: Yes

Shipping time: Within 2-3 weeks after receipt of the advance payment or L / C.

Sample Availability: Yes

Main export markets: India, Indonesia, Thailand, Pakistan, Bangladesh, Iran, Argentina, Turkey

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