Chloramine T trihydrate
SIAL/31224 - reag. Ph. Eur., 98.0-103.0%
Synonym: N-Chloro-p-toluenesulfonamide sodium salt
CAS Number: 7080-50-4
Empirical Formula (Hill Notation): C7H7ClNNaO2S · 3H2O
Molecular Weight: 281.69
EC Number: 204-854-7
MDL Number: MFCD00149066
Linear Formula: CH3C6H4SO2NClNa · 3H2O
Product Type: Chemical
| agency | reag. Ph. Eur. |
| USP/NF | |
| assay | 98.0-103.0% |
| impurities | ≤1.5% insoluble in ethanol |
| InChI | 1S/C7H7ClNO2S.Na.3H2O/c1- |
| InChI key | NZYOAGBNMCVQIV-UHFFFAOYSA |
| mp | 167-170 °C (lit.) |
| pH | 8-10 (20 °C, 5%) |
| Quality Level | 100 ![]() |
| SMILES string | O.O.O.Cc1ccc(cc1)S(=O)(=O |
| Application: | Chloramine-T trihydrate can be used as:• A reagent for chlorination in drinking water treatment. • A dehydrogenating agent for the oxidative dehydrogenation of aromatic aldehyde phenylhydrazones to synthesize nitrile imines. • The nitrene source for the aziridination of alkenes and the amidation of cyclic ethers. |
| General description: | Chloramine-T trihydrate is a widely used oxidizing agent in organic synthesis. It acts as a source of halonium cation and nitrogen anion and thus acts as a base and nucleophile. Due to its reactivity with a wide range of functional groups, it is involved in different molecular transformations. It is effective in acidic, neutral, and basic conditions. |
| Symbol | ![]() ![]() GHS05,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H302 - H314 - H334 |
| Precautionary statements | P260 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | C |
| Risk Statements | 22-31-34-42 |
| Safety Statements | 7-22-26-36/37/39-45 |
| RIDADR | UN 3263 8 / PGIII |
| WGK Germany | WGK 2 |
| Flash Point(F) | 377.6 °F - closed cup |
| Flash Point(C) | 192 °C - closed cup |
| Supplemental Hazard Statements | EUH031 |
| Purity | 98.0-103.0% |
| mp | 167-170 °C (lit.) |
| UNSPSC | 12352100 |




