C3Cl3N3O3
232.41 g/mol
Industrial ChemicalDanger
TRICHLOROISOCYANURIC ACID
CAS87-90-1EC201-782-8
Category
Industrial Chemical
Compound Class
Halocarbon
Primary Use
Swimming pool disinfectant and sanitizer
Trichloroisocyanuric acid is a white, slightly hygroscopic crystalline solid with a mild chlorine-like odor, containing about 85% available chlorine. It decomposes at 225 °C and is moderately toxic by ingestion, with potential to irritate skin and eyes.
Swimming pool disinfectantHousehold dry bleachIndustrial deodorant
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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solvent and chemical intermediate
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dicarboxylic acid intermediate
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1-Nonene, 9-chloro-
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chemical intermediate for synthesis
Safety Reference
Danger
H272May intensify fire; oxidizer
H302Harmful if swallowed
H319Causes serious eye irritation
H335May cause respiratory irritation
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H318Causes serious eye damage
H332Harmful if inhaled
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for TRICHLOROISOCYANURIC ACID (CAS 87-90-1) is 2933.69.
HS code (international, 6-digit)
2933.69
EU CN code (8-digit)
2933 69 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
1,3,5-trichloro-1,3,5-triazinane-2,4,6-trione
InChIKey
YRIZYWQGELRKNT-UHFFFAOYSA-N
SMILES
C1(=O)N(C(=O)N(C(=O)N1Cl)Cl)Cl
Synonyms (60)
- TCCA
- TCICA
- Sincloseno [INN-Spanish]
- Symclosene (USAN/INN)
- Symclosenum [INN-Latin]
- 1,5-Trichloroisocyanuric acid
- ACL 85
- ACL 90 plus
- CBD 90
- CDB 90
- Caswell No. 876B
- Chloreal
- Fi Clor 91
- Fichlor 91
- Isocyanuric chloride
- Kyselina trichloisokyanurova
- Neochlor 90
- Queschlor
- Sincloseno
- Symclosen
- Symclosene
- Symclosenum
- TRICHLOROISOCYANURIC ACID
- Trichioroisocyanuric acid
- Trichlorisocyanursaeure
- Trichloro-s-triazinetrione
- Trichlorocyanuric acid
- Trichloroiminocyanuric acid
- Trichloroisocyanic acid
- Trichloroisocyanurate
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