Sodium arsenite, GR 98%+

Name: Sodium arsenite, GR 98%+
Brand: Vaqora Chemicals
SKU: VQ-014108

About Sodium arsenite, GR 98%+

Listed under CAS 7784-46-5, Sodium arsenite is an alkali metal compound available from Vaqora Chemicals (AR grade), specified at ≥98% purity. Its molecular formula is AsNaO2 and its molecular weight is 129.91 g/mol. The IUPAC name is sodium oxoarsinite. Common synonyms include Sodium dioxoarsenate and Sodium metaarsenite.

In its supplied form it is a white to yellow and faint grey to grey powder. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Danger” with 11 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for dyes and pigments manufacture, food and flavour applications and agrochemical formulations. Typical end-use sectors are academic and industrial research.

Vaqora Chemicals supplies Sodium arsenite in 25 g, 100 g, 250 g and 500 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Dyes & pigments manufacture
Food & flavour applications
Agrochemical formulations

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sodium arsenite, GR 98%+
Catalogue No.	VQ-014108
CAS Number	7784-46-5
IUPAC name	sodium oxoarsinite
Molecular formula	AsNaO₂
Molecular weight	129.91 g/mol
Exact mass	129.9012
Grade	AR
Purity / assay	≥98%
HSN code	28429010
InChIKey	PTLRDCMBXHILCL-UHFFFAOYSA-M
SMILES	[O-][As]=O.[Na+]
PubChem CID	443495

Physical properties
Physical form	Powder
Appearance	White to yellow and faint grey to grey powder
H-bond donors / acceptors	0 / 2
TPSA	40.1 Å²
UN number	UN 2027
Synonyms	Sodium dioxoarsenate, Sodium metaarsenite, Sodium (meta)arsenite, Prodalumnol, Penite, Kill-All, Prodalumnol double, Rat Death Liquid, Chem Pels C, Chem-Sen 56, Arsenious acid, sodium salt, Arsenenous acid, sodium salt

Safety & hazard information (GHS)

Toxic

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H300+H310Fatal if swallowed or in contact with skin
H300Fatal if swallowed
H301+H311+H331Toxic if swallowed, in contact with skin or if inhaled
H301+H311Toxic if swallowed or in contact with skin
H301Toxic if swallowed
H310Fatal in contact with skin
H311Toxic in contact with skin
H331Toxic if inhaled
H350May cause cancer
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P203, P261, P262, P264, P270, P271, P273, P280, P301 + P316, P302 + P352, P304 + P340, P316, P318, P321, P330, P361 + 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 7784-46-5

Sodium arsenite 0.005M (0.01N) standardized solution

CAS: 7784-46-5
Formula: AsNaO₂
MW: 129.91 g/mol

VQ-000139

Sodium arsenite 0.05M (0.1N) standardized solution

CAS: 7784-46-5
Formula: AsNaO₂
MW: 129.91 g/mol

VQ-000140

AR

Sodium arsenite solution N/10

CAS: 7784-46-5
Formula: AsNaO₂
MW: 129.91 g/mol

VQ-000141

Frequently asked questions

What is the CAS number of Sodium arsenite, GR 98%+?

The CAS Registry Number of Sodium arsenite, GR 98%+ is 7784-46-5. It is also known as Sodium dioxoarsenate, Sodium metaarsenite, Sodium (meta)arsenite.

What is the molecular formula and molecular weight of Sodium arsenite, GR 98%+?

Sodium arsenite, GR 98%+ has the molecular formula AsNaO2 and a molecular weight of 129.91 g/mol. Its IUPAC name is sodium oxoarsinite.

Which grade and pack sizes of Sodium arsenite, GR 98%+ can I order?

We supply Sodium arsenite, GR 98%+ in AR (≥98%) grade, in 25 g, 100 g, 250 g, 500 g, 5 x 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sodium arsenite, GR 98%+?

Yes. Every lot of Sodium arsenite, GR 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 arsenite, GR 98%+ be shipped internationally?

Yes. Sodium arsenite, GR 98%+ is classified as hazardous (UN 2027), 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.