ChemIDplus A TOXNET DATABASE

Substance Name: Arsenic pentoxide
RN: 1303-28-2
InChIKey: COHDHYZHOPQOFD-UHFFFAOYSA-N

Molecular Formulas

  • As.O
  • As2-O5

Molecular Weight

  • 229.839
 

Classification Codes

Classification Codes

  • Agricultural Chemical
  • Herbicide
  • Mutation data
  • Reproductive Effect
  • Tumor data

Superlist Classification Codes

  • Known to be a carcinogen
  • Reportable Quantity (RQ) = 1 lb
  • Threshold Planning Quantity (TPQ) = 100/10000 lb

Links to Resources


Search for this InChIKey on the Web

Names and Synonyms

Name of Substance

  • Arsenic pentoxide

Synonyms

  • Anhydride arsenique
  • Anhydride arsenique [French]
  • Arsenic acid anhydride
  • Arsenic anhydride
  • Arsenic oxide
  • Arsenic oxide (As2O5)
  • Arsenic pentaoxide
  • Arsenic pentoxide
  • Arsenic(5+) oxide
  • Arsenic(V) oxide
  • Arsenic(V) pentoxide
  • Caswell No. 057
  • Diarsenic pentoxide
  • EINECS 215-116-9
  • EPA Pesticide Chemical Code 006802
  • HSDB 429
  • RCRA waste number P011
  • UNII-4GWL8T475I

Systematic Names

  • Arsenic oxide (As2O5)
  • Arsenic pentoxide
  • Diarsenic pentaoxide

Superlist Names

  • Arsenic oxide
  • Arsenic oxide As2O5
  • Arsenic pentoxide
  • Arsenic pentoxide [UN1559] [Poison]
  • RCRA waste no. P011
  • UN1559

Registry Numbers

CAS Registry Number

  • 1303-28-2

Other Registry Numbers

  • 12355-85-0
  • 13843-65-7
  • 856565-65-6

System Generated Number

  • 0001303282

Molecular Formulas

Molecular Formulas

  • As.O
  • As2-O5

Molecular Formula Fragments

  • As
  • COMPONENT
  • O

Structure Descriptors

InChI

1S/As2O5/c3-1(4)7-2(5)6

InChIKey

COHDHYZHOPQOFD-UHFFFAOYSA-N

Smiles

[As](=O)(=O)O[As](=O)=O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 55mg/kg (55mg/kg)   Internationales Archiv fuer Gewerbepathologie und Gewerbehygiene. Vol. 20, Pg. 21, 1963.
Link to PubMed
rabbit LDLo intravenous 6mg/kg (6mg/kg)   National Technical Information Service. Vol. PB214-270,
rabbit LDLo subcutaneous 12400ug/kg (12.4mg/kg)   Archives Internationales de Pharmacodynamie et de Therapie. Vol. 21, Pg. 489, 1911.
rat LD50 oral 8mg/kg (8mg/kg)   "Pesticide Index," Frear, E.H., ed., State College, PA, College Science Pub., 1969Vol. 5, Pg. 14, 1976.