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Main Group Metal & Metalloid Compounds (Al, Sn, Pb, Bi, Sb, Ga, In)

Arsenic(III) oxide, GR 99%+

ARAvailable on request

Arsenic(III) oxide, GR 99%+ (CAS 1327-53-3) supplier Zemixal: As2O3, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-014222.

Pack sizes
Arsenic(III) oxide, GR 99%+ chemical structure
CAS number1327-53-3
FormulaAs2O3
Molar mass197.84 g/mol
Physical formPowder
HS code28112920
UN numberUN 1561
Purity≥99%
InChIKeyQTLQKAJBUDWPIB-UHFFFAOYSA-N
IUPAC namebis(arsenic(3+));tris(oxygen(2-))

About Arsenic(III) oxide, GR 99%+

Zemixal supplies Arsenic(III) oxide, GR 99%+ within its inorganic Chemicals, Metals & Advanced Materials portfolio. Key data (AR): CAS 1327-53-3, formula As2O3 and molar mass 197.84 g/mol. It is described as white powder.

Typical applications

  • Paints, coatings & inks
  • Materials research

Storage and safety notes

Physical constants on file: density 3.74 g/cm3. Classified under GHS with signal word Danger and hazard statements H300, H314, H350 and H400. Read the SDS before first use. For transport it ships as UN UN 1561.

Standard pack sizes are 100 g, 500 g, 5 kg and 4 x 25 kg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Paints, coatings & inks
  • Materials research

Applications

Research Labs and Universities

Grade guides

AR Grade (Analytical Reagent)

Specifications and identifiers

Specifications of Arsenic(III) oxide, GR 99%+
Product nameArsenic(III) oxide, GR 99%+
Catalogue numberZX-014222
CAS number1327-53-3
IUPAC namebis(arsenic(3+));tris(oxygen(2-))
Molecular formulaAs2O3
Molar mass197.84 g/mol
Exact mass197.8279
GradeAR
Purity / assay≥99%
Physical formPowder
AppearanceWhite powder
Density3.74 g/cm3
H-bond donors / acceptors0 / 3
Topological polar surface area3 Ų
HS code28112920
UN numberUN 1561
InChIKeyQTLQKAJBUDWPIB-UHFFFAOYSA-N
SMILES[O-2].[O-2].[O-2].[As+3].[As+3]
PubChem CID14888
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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS06 Acute toxicity
Acute toxicity
GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Arsenic(III) oxide, GR 99%+
100 gQuoted on request
500 gQuoted on request
5 kgQuoted on request
4 x 25 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

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

Which CAS number identifies Arsenic(III) oxide, GR 99%+?
Arsenic(III) oxide, GR 99%+ is registered under CAS 1327-53-3. You may also see it listed as Arsenous oxide,Arsenic Trioxide, Arsenic oxide (As2O3), Arseni trioxydum. Our catalogue number for this item is ZX-014222.
What are the formula and molar mass of Arsenic(III) oxide, GR 99%+?
For Arsenic(III) oxide, GR 99%+, its formula is As2O3 and its molar mass is 197.84 g/mol. InChIKey QTLQKAJBUDWPIB-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Arsenic(III) oxide, GR 99%+?
This listing is AR grade with ≥99% purity. Standard packs are 100 g, 500 g, 5 kg, 4 x 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Arsenic(III) oxide, GR 99%+?
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 Arsenic(III) oxide, GR 99%+ to my country?
Yes. Because Arsenic(III) oxide, GR 99%+ is classed as hazardous (UN 1561), 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 1327-53-3

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