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Chemical

Ammonium thiocyanate

CAS 1762-95-4 · EC 217-175-6 · CH4N2S

Covered by the harmonised group entry for salts of thiocyanic acid. Contact with acids liberates very toxic gas.

Signal word
Warning
CAS
1762-95-4
EC number
217-175-6
UK/EU status
No UK or EU restrictions recorded

Handle chemistry safely

Wear gloves and eye protection, work with good ventilation, and read the supplier’s safety data sheet before use. Hazard information here is a summary, not a replacement for it. Dispose of all photographic chemistry correctly, in line with local laws and your local authority’s guidance. Never mix waste solutions, and check the supplier’s safety data sheet before disposing of anything.

Hazards

Official EU classification (CLP Annex VI).

Harmonised classes: Acute Tox. 4 (Inhalation)* (H332); Acute Tox. 4 (Dermal)* (H312); Acute Tox. 4 (Oral)* (H302); Aquatic Chronic 3 (H412). Harmonised labelling also carries EUH032 (contact with acids liberates very toxic gas).

Signal word: Warning

Harmful or irritant

CodeHazard statement
H332Harmful if inhaled.
H312Harmful in contact with skin.
H302Harmful if swallowed.
H412Harmful to aquatic life with long lasting effects.
EUH032Contact with acids liberates very toxic gas.

Photographic uses

  • gold toner (Bostick & Sullivan)