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Alkali Metal Compounds (Li, Na, K, Rb, Cs)

Sodium sulphite, BP 95.0%

BPAvailable on request

Sodium sulphite, BP 95.0% (CAS 7757-83-7) supplier Zemixal: Na2O3S, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-038515.

Pack sizes
Sodium sulphite, BP 95.0% chemical structure
CAS number7757-83-7
FormulaNa2O3S
Molar mass126.05 g/mol
HS code28321090
Purity95.0%
InChIKeyGEHJYWRUCIMESM-UHFFFAOYSA-L
IUPAC namedisodium;sulfite

About Sodium sulphite, BP 95.0%

Sodium sulphite, BP 95.0% sits in our alkali Metal Compounds (Li, Na, K, Rb, Cs) section and ships worldwide from stock or short lead time. Key data (BP): CAS 7757-83-7, formula Na2O3S and molar mass 126.05 g/mol.

Common uses in the lab and plant

  • Materials research
  • Chemical synthesis

Storage and safety notes

It carries the GHS signal word Danger (H302, H314, H315 and H319), so wear gloves and eye protection and work with good ventilation.

Order it in 500 g, 1 kg, 5 kg, 25 kg and 25 kg (1 x 25) packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Materials research
  • Chemical synthesis

Applications

Grade guides

Specifications and identifiers

Specifications of Sodium sulphite, BP 95.0%
Product nameSodium sulphite, BP 95.0%
Catalogue numberZX-038515
CAS number7757-83-7
IUPAC namedisodium;sulfite
Molecular formulaNa2O3S
Molar mass126.05 g/mol
Exact mass125.9364
GradeBP
Purity / assay95.0%
H-bond donors / acceptors0 / 4
Topological polar surface area82.4 Ų
HS code28321090
InChIKeyGEHJYWRUCIMESM-UHFFFAOYSA-L
SMILES[O-]S(=O)[O-].[Na+].[Na+]
PubChem CID24437
SynonymsDisodium sulfite, Sodium sulfite anhydrous, Sulfurous acid, disodium salt, Natrium sulfurosum, S-WAT, Natrii sulphis, Anhydrous sodium sulfite, Sodium sulfite (Na2SO3), Exsiccated sodium sulfite, Natrum sulphurosum, Sodium sulphite anhydrous, Sulfurous acid, sodium salt (1:2)

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H302Harmful if swallowed
  • H314Causes severe skin burns and eye damage
  • H315Causes skin irritation
  • H319Causes serious eye irritation

Precautionary statements P260, P264, P264 + P265, P270, P280, P301 + P317, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P316, P321, P330, P332 + P317, P337 + P317, P362 + P364, P363, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Sodium sulphite, BP 95.0%
500 gQuoted on request
1 kgQuoted on request
5 kgQuoted on request
25 kgQuoted on request
25 kg (1 x 25)Quoted on request
50 kg (5 x 10)Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Sodium sulphite, BP 95.0%

Which CAS number identifies Sodium sulphite, BP 95.0%?
Sodium sulphite, BP 95.0% is registered under CAS 7757-83-7. You may also see it listed as Disodium sulfite, Sodium sulfite anhydrous, Sulfurous acid, disodium salt. Our catalogue number for this item is ZX-038515.
What are the formula and molar mass of Sodium sulphite, BP 95.0%?
For Sodium sulphite, BP 95.0%, its formula is Na2O3S and its molar mass is 126.05 g/mol. InChIKey GEHJYWRUCIMESM-UHFFFAOYSA-L lets you match it in any structure database.
What grade and pack sizes are available for Sodium sulphite, BP 95.0%?
This listing is BP grade with 95.0% purity. Standard packs are 500 g, 1 kg, 5 kg, 25 kg, 25 kg (1 x 25), 50 kg (5 x 10). Larger quantities and custom packing can be quoted on request.
Which documents come with Sodium sulphite, BP 95.0%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Sodium sulphite, BP 95.0% to my country?
Yes. Because Sodium sulphite, BP 95.0% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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