SHEET /m/chloral-hydrate · PubChem CID 2707 · CAS 302-17-0 · REV 2026.07
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Chloral hydrate
from sourceC2H3Cl3O2 · 165.4 g/mol
chloral monohydrate · Chloradorm · Chloraldurat · Cohidrate
What is Chloral hydrate?
A Victorian sedative, the original knockout drops of detective fiction, now almost entirely replaced by safer sleep medicines. from source
CategoryPrescription medicine
Fig. 1 · 2D structure RDKit
SMILES
C(C(Cl)(Cl)Cl)(O)OWhere you'll find it
Dispensed on prescription, not sold on a shelf. See the rest of the prescription medicine group.
Relative acute toxicity from source
Animal study data · LD50
- Reported LD50
- 479 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
479 mg/kg · low toxicity · LD50 rat oral from source
1 more reported value
- 3,030 mg/kgLD50 · dermal · rat
DangerCorrosiveToxicIrritantHealth hazardH301, H302, H314, H315, H318, H319, H336, H340, H350, H370, H372, H373from source