SHEET /m/arsenic · PubChem CID 5359596 · CAS 7440-38-2 · REV 2026.07
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Arsenic
from sourceAs · 74.92159 g/mol
As · Scherbenkobalt
What is Arsenic?
The classic poison of Victorian detective fiction, once in green wallpaper and patent medicines, and still a contaminant of groundwater in South Asia. Element 33. from source
CategoryElement & material
Fig. 1 · 2D structure RDKit
SMILES
[As]Where you'll find it
A pure element or an engineered material, rather than an ingredient in a product. See the rest of the element & material group.
Relative acute toxicity from source
Animal study data · LD50
- Reported LD50
- 763 mg/kg · low toxicity
- Species
- rat
- Route
- oral
An LD50 describes acute toxicity under experimental conditions and is not a safe or dangerous dose for a person.
Toxicity & hazards
Toxicity · LD50
763 mg/kg · low toxicity · LD50 rat oral from source
2 more reported values
- 145 mg/kgLD50 · oral · mouse
- 46.2 mg/kgLD50 · other · mouse
DangerFlammableCorrosiveToxicIrritantHealth hazardEnvironmentalH228, H251, H301, H302, H315, H318, H319, H331, H341, H350, H360, H361, H370, H372, H373, H400, H410from source