Sodium arsenite 0.005M (0.01N) standardized solution
- CAS
- 7784-46-5
- Formula
- AsNaO2
- MW
- 129.91 g/mol
ZX-000139
Alkali Metal Compounds (Li, Na, K, Rb, Cs)
Sodium arsenite, GR 98%+
ARAvailable on request
Order Sodium arsenite, GR 98%+ (CAS 7784-46-5) online at Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-013166.
CAS number7784-46-5
FormulaAsNaO2
Molar mass129.91 g/mol
Physical formPowder
HS code28429010
UN numberUN 2027
Purity≥98%
InChIKeyPTLRDCMBXHILCL-UHFFFAOYSA-M
IUPAC namesodium oxoarsinite
About Sodium arsenite, GR 98%+
Researchers and plant chemists source Sodium arsenite, GR 98%+ from Zemixal for routine and specialised work. Key data (AR): CAS 7784-46-5, formula AsNaO2 and molar mass 129.91 g/mol. Typical appearance is white to yellow and faint grey to grey powder.
Common uses in the lab and plant
- Dyes & pigments manufacture
- Food & flavour applications
- Agrochemical formulations
Handling and storage
Hazard communication follows GHS (Danger: H300+H310, H300, H301+H311+H331 and H301+H311). Our SDS lists exposure controls and first-aid measures. For transport it ships as UN UN 2027.
Available as 25 g, 100 g, 250 g, 500 g and 5 x 1 kg. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Dyes & pigments manufacture
- Food & flavour applications
- Agrochemical formulations
Applications
Grade guides
Specifications and identifiers
| Product name | Sodium arsenite, GR 98%+ |
|---|---|
| Catalogue number | ZX-013166 |
| CAS number | 7784-46-5 |
| IUPAC name | sodium oxoarsinite |
| Molecular formula | AsNaO2 |
| Molar mass | 129.91 g/mol |
| Exact mass | 129.9012 |
| Grade | AR |
| Purity / assay | ≥98% |
| Physical form | Powder |
| Appearance | White to yellow and faint grey to grey powder |
| H-bond donors / acceptors | 0 / 2 |
| Topological polar surface area | 40.1 Ų |
| HS code | 28429010 |
| UN number | UN 2027 |
| InChIKey | PTLRDCMBXHILCL-UHFFFAOYSA-M |
| SMILES | [O-][As]=O.[Na+] |
| PubChem CID | 443495 |
| 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 |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 250 g | Quoted on request | |
| 500 g | Quoted on request | |
| 5 x 1 kg | 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 arsenite, GR 98%+
Which CAS number identifies Sodium arsenite, GR 98%+?
Sodium arsenite, GR 98%+ is registered under CAS 7784-46-5. You may also see it listed as Sodium dioxoarsenate, Sodium metaarsenite, Sodium (meta)arsenite. Our catalogue number for this item is ZX-013166.
What are the formula and molar mass of Sodium arsenite, GR 98%+?
For Sodium arsenite, GR 98%+, its formula is AsNaO2 and its molar mass is 129.91 g/mol. The systematic (IUPAC) name is sodium oxoarsinite. InChIKey PTLRDCMBXHILCL-UHFFFAOYSA-M lets you match it in any structure database.
What grade and pack sizes are available for Sodium arsenite, GR 98%+?
This listing is AR grade with ≥98% purity. Standard packs are 25 g, 100 g, 250 g, 500 g, 5 x 1 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Sodium arsenite, GR 98%+?
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 arsenite, GR 98%+ to my country?
Yes. Because Sodium arsenite, GR 98%+ is classed as hazardous (UN 2027), it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
Other grades with CAS 7784-46-5
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