Product Name

  • Name

    Ferric arsenite

  • EINECS
  • CAS No. 63989-69-5
  • Density
  • Solubility soluble in acids [HAW93]
  • Melting Point decomposes [CRC10]
  • Formula As2Fe2O6•Fe2O3•5H2O
  • Boiling Point
  • Molecular Weight 607.34
  • Flash Point
  • Transport Information
  • Appearance
  • Safety Confirmed human carcinogen. A deadly poison. When heated to decomposition it emits toxic fumes of As. See also ARSENIC COMPOUNDS and IRON COMPOUNDS.
  • Risk Codes
  • Molecular Structure Molecular Structure of 63989-69-5 (Ferric arsenite)
  • Hazard Symbols Toxic by ingestion and inhalation, strong irritant.
  • Synonyms Ferric arsenite;UN1607;arsorous acid;Ferric arsenite,basic;
  • PSA 106.84000
  • LogP -2.49460

IRON(III)-o-ARSENITE PENTAHYDRATE Chemical Properties

Iron(III) o-arsenite, pentahydrate(63989-69-5)'s molecular formula is As2Fe2O6 Fe2O3 5H2O   and its formula weight is 607.34.
Iron(III) o-arsenite, pentahydrate(63989-69-5)'s chemical synonyms are ferric arsenite, basic
The molecular structure of iron(III) o-arsenite, pentahydrate(63989-69-5):

IRON(III)-o-ARSENITE PENTAHYDRATE Consensus Reports

Arsenic and its compounds are on the Community Right-To-Know List.

IRON(III)-o-ARSENITE PENTAHYDRATE Safety Profile

Confirmed human carcinogen. A deadly poison. When heated to decomposition it emits toxic fumes of As. See also ARSENIC COMPOUNDS and IRON COMPOUNDS.

IRON(III)-o-ARSENITE PENTAHYDRATE Standards and Recommendations

OSHA PEL: TWA 0.01 mg(As)/m3; Cancer Hazard
ACGIH TLV: TWA 0.01 mg/m3; Confirmed Human Carcinogen; BEI: 35 μ (As)/L inorganic arsenic and methylated metabolites in urine
NIOSH REL: (Inorganic Arsenic) CL 0.002 mg(As)/m3/15M
DOT Classification:  6.1; Label: Poison
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