HazMat Tool — substance information
Trichloroisocyanuric acid, dry
HMT 15 June 2026Trichloroisocyanuric acid, dry
Trichloroisocyanuric acid is an organic compound with the formula (CONCl)3. It is used as an industrial disinfectant, bleaching agent and a reagent in organic synthesis. This white crystalline powder, which has a strong "chlorine odour," is sometimes sold in tablet or granule form for domestic and industrial use Wikipedia
Substance Data
Source: PubChem (HSDB, 30.11.2019)CAS-Number87-90-1 |
Flash Pointn/a | Boiling Pointn/a |
| Emergency Response Guide No. 140 |
Hazardous Materials Table
Source: 49 CFR §172 (15 June 2026)(3) Hazard Class5.1Oxidizers |
(4) Identification number |
(5) Packing Group |
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(6) Labels |
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(7) Special Provisions (§172.102)
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| IB8 | |
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| IP2 | |
| IP4 | |
| T3 | |
| TP33 |
(8) Packing Authorizations (§173.***) 
| (8A) Exceptions | 152 | see 49 CFR §173.152 |
|---|---|---|
| (8B) Non-bulk | 212 | see 49 CFR §173.212 |
| (8C) Bulk | 240 | see 49 CFR §173.240 |
(9) Quantity Limits 
| (9A) Passenger aircraft/rail | 5 kg |
|---|---|
| (9B) Cargo aircraft only | 25 kg |
(10) Vessel stowage 
| (10A) Location | |
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| (10B) Other |
Segregation chart for load, transport, and storage
This chart shows whether loading, transport, or storage with other hazard classes is permitted, prohibited, or restricted. Based on 49 CFR §177.848.
| Hazard class | 8![]() | 7![]() | 6.1![]() | 5.2![]() | 5.1![]() | 4.3![]() | 4.2![]() | 4.1![]() | 3![]() | 2.3B![]() | 2.3A![]() | 2.2![]() | 2.1![]() | 1.6![]() | 1.5![]() | 1.4![]() | 1.3![]() | 1.1/1.2![]() |
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8 ![]() |
| Must not be loaded, transported, or stored together in the same vehicle or facility. | |
| May be loaded, transported, or stored together. | |
| May be loaded, transported, or stored together only with restrictions. |