Arsenic Trisulfide

Arsenic Trisulfide (As2S3) is a combustible, toxic yellow or red crystalline solid or powder. Because it is flammable, we recommend a safe chemical storage building that meets specific regulations for storing Arsenic Trisulfide. Please review our fire rated products: SUPERLoc, Fire-rated, FIRELoc

Arsenic Trisulfide Storing Details

  • Flammable Details: May burn but does not readily ignite. Containers may explode when heated.
  • Storage Details: Keep separated from incompatible substances, such as oxidizers. Store and handle in accordance with all current regulations and standards. Store in compliant, approved flammables storage buildings, separated from oxidizers and sources of ignition.
  • Compatible Details:
  • Description: Arsenic trisulfide is the inorganic compound with the formula As2S3. This bright yellow solid is a well known mineral orpiment, has been used as a pigment, and has played a role in the analysis of arsenic compounds.
  • Classification: CLASS 6.1
  • Brand Name: n/a

Arsenic Trisulfide Properties

Formula Density Boiling Point; IUPAC ID Molar Mass Soluble In Melting Point
As2S3 3.43 g/cm³ 707°C, 1305°F Arsenic trisulfide 246.04 g/mol n/a 310°C, 590°F




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