SHEET /m/ethanethiol · PubChem CID 6343 · CAS 75-08-1 · REV 2026.07
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Ethanethiol from source
C2H6S · 62.14 g/mol
ETHYL MERCAPTAN · Mercaptoethane · Ethyl sulfhydrate · Thioethanol
chemical compound
CategoryScent & aroma
Fig. 1 · 2D structure RDKit
CCS
Where you'll find it
Not yet mapped to everyday foods or products.
The dose makes the poison inferred
A reported rat oral LD50 for Ethanethiol is 682 mg/kg, the dose lethal to half the animals tested. Scaled by body mass alone:
47.7 g
a median lethal dose scaled to 154 lb (47,740 mg)
“The dose makes the poison” is a cross-species estimate shown as neutral science, not a threshold anyone should act on. Real toxicity depends on the person, not body mass alone.
Toxicity & hazards
Toxicity · LD50
682 mg/kg · low toxicity · LD50 rat oral from source
The dose lens above scales this to a body weight.
2 more reported values
- 226 mg/kgLD50 · other · rat
- 2,000 mg/kgLD50 · dermal · rat
DangerFlammableToxicIrritantHealth hazardEnvironmentalH224, H225, H302, H316, H319, H320, H331, H332, H335, H336, H370, H400, H410from source