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1,2,4-triazole-3-thiol

Warning
EC Number
221-656-6
CAS Number
3179-31-5
Formula
C2H3N3S
Tonnage Band
<100 tpa

GHS Pictograms

Environment Environment Exclamation Mark Exclamation Mark

Hazard Classification

Harmonised EU classification under CLP Regulation.

H302: Harmful if swallowed [Warning Acute toxicity, oral]; H317: May cause an allergic skin reaction [Warning Sensitization, Skin]; H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]; H400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]; H410: Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]

Hazard Statements

H302 Harmful if swallowed
H317 May cause an allergic skin reaction
H319 Causes serious eye irritation
H400 Very toxic to aquatic life
H410 Very toxic to aquatic life with long lasting effects

Regulatory Status

SVHC (Candidate List)
No
Authorisation Required
No
Restricted
No
Is 1,2,4-triazole-3-thiol banned in the EU?
No specific ban or restriction. Check current ECHA records for the latest status.

External Resources

ECHA Infocard PubChem

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Data sourced from the European Chemicals Agency (ECHA). Information is provided for reference only. Always consult official ECHA records and relevant Safety Data Sheets for regulatory compliance.