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VAQORACHEMICALS

Arsenic(III) oxide, GR 99%+

Synonyms: Arsenous oxide,Arsenic Trioxide · Arsenic oxide (As2O3) · Arseni trioxydum · Arsenious trioxide

CAS No.1327-53-3
FormulaAs2O3
Mol. weight197.84
Catalogue No.VQ-015164
Purity≥99%
HSN28112920

Arsenic(III) oxide (CAS 1327-53-3) – main-group metal compound, AR grade, ≥99%. As2O3, MW 197.84. COA included. Worldwide shipping from Vaqora Chemicals.

Pack sizesPrice on quotation · bulk available
100 g
500 g
5 kg
4 x 25 kg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Arsenic(III) oxide, GR 99%+

Arsenic(III) oxide (CAS 1327-53-3) is a main-group metal compound offered by Vaqora Chemicals in AR grade, specified at ≥99% purity. Its molecular formula is As2O3 and its molecular weight is 197.84 g/mol. Systematically, it is named bis(arsenic(3+)). Tris(oxygen(2-)). It is also known as Arsenous oxide,Arsenic Trioxide or Arsenic oxide (As2O3).

In its supplied form it is a white powder. Key physical data: a density of 3.74 g/cm3. Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is commonly used for paints, coatings and inks and materials research. Typical end-use sectors are academic and industrial research.

Vaqora Chemicals supplies Arsenic(III) oxide in 100 g, 500 g, 5 kg and 4 x 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

  • Paints, coatings & inks
  • Materials research

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameArsenic(III) oxide, GR 99%+
Catalogue No.VQ-015164
CAS Number1327-53-3
IUPAC namebis(arsenic(3+));tris(oxygen(2-))
Molecular formulaAs2O3
Molecular weight197.84 g/mol
Exact mass197.8279
GradeAR
Purity / assay≥99%
HSN code28112920
InChIKeyQTLQKAJBUDWPIB-UHFFFAOYSA-N
SMILES[O-2].[O-2].[O-2].[As+3].[As+3]
PubChem CID14888
Physical properties
Physical formPowder
AppearanceWhite powder
Density3.74 g/cm3
H-bond donors / acceptors0 / 3
TPSA3 Ų
UN numberUN 1561
SynonymsArsenous oxide,Arsenic Trioxide, Arsenic oxide (As2O3), Arseni trioxydum, Arsenious trioxide, Claudetite, Oxyde Arsenieux, Arsenious Acid Anhydride, Acide arsenieux, Arsenic blanc, Arsenigen saure, Anhydride arsenieux, Flu Nausea

Safety & hazard information (GHS)

GHS05 Corrosive
Corrosive
GHS06 Toxic
Toxic
GHS08 Health hazard
Health hazard
GHS09 Environmental hazard
Environmental hazard

Signal word: Danger

Hazard statements

  • H300Fatal if swallowed
  • H314Causes severe skin burns and eye damage
  • H350May cause cancer
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P203, P260, P264, P270, P273, P280, P301 + P316, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P318, P321, P330, P363, P391, 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

Other grades of CAS 1327-53-3

Frequently asked questions

What is the CAS number of Arsenic(III) oxide, GR 99%+?

The CAS Registry Number of Arsenic(III) oxide, GR 99%+ is 1327-53-3. It is also known as Arsenous oxide,Arsenic Trioxide, Arsenic oxide (As2O3), Arseni trioxydum.

What is the molecular formula and molecular weight of Arsenic(III) oxide, GR 99%+?

Arsenic(III) oxide, GR 99%+ has the molecular formula As2O3 and a molecular weight of 197.84 g/mol.

Which grade and pack sizes of Arsenic(III) oxide, GR 99%+ can I order?

We supply Arsenic(III) oxide, GR 99%+ in AR (≥99%) grade, in 100 g, 500 g, 5 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Arsenic(III) oxide, GR 99%+?

Yes. Every lot of Arsenic(III) oxide, 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 Arsenic(III) oxide, GR 99%+ be shipped internationally?

Yes. Arsenic(III) oxide, GR 99%+ is classified as hazardous (UN 1561), 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.

Enquire about Arsenic(III) oxide, GR 99%+

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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