Sodium selenite, anhydrous, 98%

Name: Sodium selenite, anhydrous, 98%
Brand: Vaqora Chemicals
SKU: VQ-014224

About Sodium selenite, anhydrous, 98%

Vaqora Chemicals supplies Sodium selenite, an alkali metal compound registered under CAS number 10102-18-8 with a typical assay of 98%. The compound has the formula Na2O3Se, corresponding to a molecular weight of 172.95 g/mol. Its systematic (IUPAC) name is disodium. Selenite. Alternative names: Dinatriumselenit and Selenious acid disodium salt.

In its supplied form it is a white to off-white powder, crystals, crystalline powder. Literature values give a melting point of above 350 °C and a density of 3.1 g/cm3. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

Key uses span ceramics and glass and materials research. It is used across academic and industrial research.

We offer Sodium selenite in 100 g, 1 kg, 5 kg and 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Ceramics & glass
Materials research

Industries

Specifications & identifiers

Chemical identifiers
Product name	Sodium selenite, anhydrous, 98%
Catalogue No.	VQ-014224
CAS Number	10102-18-8
IUPAC name	disodium;selenite
Molecular formula	Na₂O₃Se
Molecular weight	172.95 g/mol
Exact mass	173.8808
Purity / assay	98%
HSN code	28419000
InChIKey	BVTBRVFYZUCAKH-UHFFFAOYSA-L
SMILES	[O-][Se](=O)[O-].[Na+].[Na+]
PubChem CID	24934

Physical properties
Physical form	Crystalline
Appearance	White to off-white powder, crystals, crystalline powder
Melting point	>350 °C
Density	3.1 g/cm3
H-bond donors / acceptors	0 / 3
TPSA	63.2 Å²
Synonyms	Dinatriumselenit, Selenious acid disodium salt, Disodium selenite, 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

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

AR

Sodium selenite, anhydrous, GR 99%

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

VQ-014225

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, 98%?

The CAS Registry Number of Sodium selenite, anhydrous, 98% is 10102-18-8. It is also known as Dinatriumselenit, Selenious acid disodium salt, Disodium selenite.

What is the molecular formula and molecular weight of Sodium selenite, anhydrous, 98%?

Sodium selenite, anhydrous, 98% has the molecular formula Na2O3Se and a molecular weight of 172.95 g/mol.

Which grade and pack sizes of Sodium selenite, anhydrous, 98% can I order?

We supply Sodium selenite, anhydrous, 98% in (98%) grade, in 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, 98%?

Yes. Every lot of Sodium selenite, anhydrous, 98% 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, 98% be shipped internationally?

Yes. Sodium selenite, anhydrous, 98% 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.