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Trichloroisocyanuric acid

Also known as: symclosene, 1,3,5-trichloro-1,3,5-triazine-2,4,6-trione, 1,3,5-trichlorohexahydro-1,3,5-triazine-2,4,6-trione, ACL 85, ACL 90 plus, CDB 90, TCICA, TCCA, LABOTEST-BB LT00138113, MFCD00006553

Trichloroisocyanuric acid (CAS 87-90-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3Cl3N3O3 and a molecular weight of 232.409 g/mol. Key properties include a melting point of 249-251 °C(lit.), a boiling point of 272.3±23.0 °C at 760 mmHg, a density of 2.2±0.1 g/cm3 and a flash point of 118.5±22.6 °C. It is classified under GHS with signal word Danger and hazard statements H272, H302 — Harmful if swallowed and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
87-90-1
Jingsj CID
J-1106490-7
Molecular Formula
C3Cl3N3O3
Molecular Weight
232.409 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point249-251 °C(lit.)
Boiling Point272.3±23.0 °C at 760 mmHg
Density2.2±0.1 g/cm3
Flash Point118.5±22.6 °C
Exact Mass230.900528
PSA66.00000
LogP0.11
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.686
Additional Property1.2 g/100mL (25 ºC)

GHS Safety & Compliance

Oxidising / Irritant / Environmental HazardSignal word: Danger
  • H272
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation
  • H410 — Very toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code2933692200
Summary2933692200 1,3,5-trichloro-1,3,5-triazinane-2,4,6-trione。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:20.0%

Frequently Asked Questions

What is the CAS number of Trichloroisocyanuric acid?

The CAS number of Trichloroisocyanuric acid is 87-90-1.

What are the molecular formula and molecular weight of Trichloroisocyanuric acid?

Trichloroisocyanuric acid has molecular formula C3Cl3N3O3 and molecular weight 232.409 g/mol.

Is Trichloroisocyanuric acid hazardous?

Trichloroisocyanuric acid has GHS signal word Danger and hazard statements H272; H302 — Harmful if swallowed; H315 — Causes skin irritation.

What are the upstream and downstream products of Trichloroisocyanuric acid?

For Trichloroisocyanuric acid, Upstream Products: Cyanuric acid, 1,3,5-Tribromo-1,3,5-triazinane-2,4,6-trione; Downstream Products: Bis(4-methoxyphenyl) disulfide, Cyanuric acid, 2-(Chloromethyl)quinoline.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Trichloroisocyanuric acid (CAS 87-90-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1106490-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.