Arsenic trisulfide
Preliminary reference disclaimer
This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.
Preliminary safety reference
Available
Supplier-issued SDS
Available by request
COA
Available by RFQ / lot confirmation
Transport classification
Requires shipment review
CAS Number
1303-33-9
Chemical name
Arsenic trisulfide
Molecular formula
As2S3
Molecular weight
246 g/mol
Synonyms
Arsenic trisulphide; Diarsenic trisulfide; Arsenic sulfide (As2S3); Arsenic sesquisulfide; Diarsenic trisulphide; Arsenic sesquisulphide; Yellow arsenic sulfide; Sekio; Shio; Arsenic Yellow; Arsenic sulphide; Arsenous sulfide
InChIKey
UKUVVAMSXXBMRX-UHFFFAOYSA-N
PubChem CID
71586773
Signal word
Danger
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H301, H331, H350, H410
Catalog reference cue; confirm supplier documentation before use.
Boiling Point
707.0 °C
Catalog reference value; verify against supplier SDS before use.
Water Solubility
5 × 10⁻⁵ mol/L
Catalog reference value; verify against supplier SDS before use.
Refractive Index
2.4
Catalog reference value; verify against supplier SDS before use.
Shipment review
Shipment details require review before fulfillment.
Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.