Sodium tellurite, 98%

Name: Sodium tellurite, 98%
Brand: Vaqora Chemicals
SKU: VQ-014241

About Sodium tellurite, 98%

Vaqora Chemicals supplies Sodium tellurite (Extra Pure grade), an alkali metal compound registered under CAS number 10102-20-2 at a purity of 99%. With the molecular formula Na2O3Te, it has a molar mass of 221.6 g/mol. The IUPAC name is disodium. Tellurite. Common synonyms include Sodium Tellurite IV and Tellurous acid disodium salt.

It is supplied as white crystals, crystalline powder / chips / flakes. Key physical data: a melting point of 710 °C and a density of 6.245 g/cm3. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include cell and microbial culture, paints, coatings and inks, metallurgy and plating and corrosion inhibition. Buyers come mainly from academic and industrial research.

We offer Sodium tellurite in 25 g, 100 g and 500 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Cell & microbial culture
Paints, coatings & inks
Metallurgy & plating
Corrosion inhibition

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sodium tellurite, 98%
Catalogue No.	VQ-014241
CAS Number	10102-20-2
IUPAC name	disodium;tellurite
Molecular formula	Na₂O₃Te
Molecular weight	221.6 g/mol
Exact mass	223.8705
Grade	Extra Pure
Purity / assay	99%
HSN code	28429090
InChIKey	VOADVZVYWFSHSM-UHFFFAOYSA-L
SMILES	[O-][Te](=O)[O-].[Na+].[Na+]
PubChem CID	24935

Physical properties
Physical form	Flakes
Appearance	White crystals, crystalline powder / chips / flakes
Melting point	710 °C
Density	6.245 g/cm3
H-bond donors / acceptors	0 / 3
TPSA	63.2 Å²
UN number	UN 3288
Synonyms	Sodium Tellurite IV, Tellurous acid disodium salt, disodium tellurite, Sodium tellurate(IV), Disodium trioxotellurate, Tellurous acid, disodium salt, Telluric acid (H2TeO3), disodium salt, Telluric acid, disodium salt, Telluric acid (H2TeO3), sodium salt (1:2), Sodium tellurite(IV), Na2O3Te, Sodium tellurite(IV), 97%

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H300Fatal if swallowed
H301Toxic if swallowed
H311Toxic in contact with skin
H317May cause an allergic skin reaction
H330Fatal if inhaled
H331Toxic if inhaled
H332Harmful if inhaled
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P203, P260, P261, P262, P264, P270, P271, P272, P273, P280, P284, P301 + P316, P302 + P352, P304 + P340, P316, P317, P318, P320, P321, P330, P333 + P317, P361 + P364, P362 + P364, P391

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

Frequently asked questions

What is the CAS number of Sodium tellurite, 98%?

The CAS Registry Number of Sodium tellurite, 98% is 10102-20-2. It is also known as Sodium Tellurite IV, Tellurous acid disodium salt, disodium tellurite.

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

Sodium tellurite, 98% has the molecular formula Na2O3Te and a molecular weight of 221.6 g/mol.

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

We supply Sodium tellurite, 98% in Extra Pure (99%) grade, in 25 g, 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sodium tellurite, 98%?

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

Yes. Sodium tellurite, 98% is classified as hazardous (UN 3288), 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.