Sodium selenite, anhydrous, GR 99%

Name: Sodium selenite, anhydrous, GR 99%
Brand: Vaqora Chemicals
SKU: VQ-014225

About Sodium selenite, anhydrous, GR 99%

Sodium selenite is an alkali metal compound in AR grade carrying the CAS registry number 10102-18-8 at a purity of 99%. The compound has the formula Na2O3Se, corresponding to a molecular weight of 172.95 g/mol. The IUPAC name is disodium. Selenite. It is also known as Disodium selenite or Selenious acid, disodium salt.

It is supplied as a white to off-white powder. Reported physical data include a melting point of above 350 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

Key uses span materials research and chemical synthesis. Typical end-use sectors are academic and industrial research.

Vaqora Chemicals supplies Sodium selenite in 25 g, 100 g, 1 kg and 5 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Materials research
Chemical synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sodium selenite, anhydrous, GR 99%
Catalogue No.	VQ-014225
CAS Number	10102-18-8
IUPAC name	disodium;selenite
Molecular formula	Na₂O₃Se
Molecular weight	172.95 g/mol
Exact mass	173.8808
Grade	AR
Purity / assay	99%
HSN code	28419000
InChIKey	BVTBRVFYZUCAKH-UHFFFAOYSA-L
SMILES	[O-][Se](=O)[O-].[Na+].[Na+]
PubChem CID	24934

Physical properties
Physical form	Powder
Appearance	White to off-white powder
Melting point	>350 °C
H-bond donors / acceptors	0 / 3
TPSA	63.2 Å²
Synonyms	Disodium selenite, Selenious acid, disodium salt, Selenious Acid Disodium Salt, Disodium selenium trioxide, Selenite sodium, Pleo selene, Selenious acid, sodium salt (1:2), Sodium selenite anhydrous, H2-O3-Se.1/2Na, Selenious acid (H2SeO3), disodium salt, Selenite, Sodium, Biselenite, Sodium

Safety & hazard information (GHS)

Toxic

Environmental hazard

Signal word: Danger

Hazard statements

H300Fatal if swallowed
H317May cause an allergic skin reaction
H331Toxic if inhaled
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P261, P264, P270, P271, P272, P273, P280, P301 + P316, P302 + P352, P304 + P340, P316, P321, P330, P333 + P317, P362 + P364, P391, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 10102-18-8

EP / Cell Culture

Sodium selenite anhydrous, EP, cell culture tested

CAS: 10102-18-8
Formula: Na₂O₃Se
MW: 172.95 g/mol

VQ-046091

Sodium selenite, anhydrous, 98%

CAS: 10102-18-8
Formula: Na₂O₃Se
MW: 172.95 g/mol

VQ-014224

Cell Culture

Sodium selenite, cell culture tested

CAS: 10102-18-8
Formula: Na₂O₃Se
MW: 172.95 g/mol

VQ-046441

Frequently asked questions

What is the CAS number of Sodium selenite, anhydrous, GR 99%?

The CAS Registry Number of Sodium selenite, anhydrous, GR 99% is 10102-18-8. It is also known as Disodium selenite, Selenious acid, disodium salt, Selenious Acid Disodium Salt.

What is the molecular formula and molecular weight of Sodium selenite, anhydrous, GR 99%?

Sodium selenite, anhydrous, GR 99% has the molecular formula Na2O3Se and a molecular weight of 172.95 g/mol.

Which grade and pack sizes of Sodium selenite, anhydrous, GR 99% can I order?

We supply Sodium selenite, anhydrous, GR 99% in AR (99%) grade, in 25 g, 100 g, 1 kg, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sodium selenite, anhydrous, GR 99%?

Yes. Every lot of Sodium selenite, anhydrous, GR 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Sodium selenite, anhydrous, GR 99% be shipped internationally?

Yes. Sodium selenite, anhydrous, GR 99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.