Trichloroacetyl isocyanate
SIAL/91095 - purum, ≥97.0% (GC)
Synonym: 2,2,2-
CAS Number: 3019-71-4
Empirical Formula (Hill Notation): C3Cl3NO2
Molecular Weight: 188.40
EC Number: 221-165-7
MDL Number: MFCD00002033
Linear Formula: Cl3CCONCO
Product Type: Chemical
| assay | ≥97.0% (GC) |
| bp | 80-85 °C/20 mmHg (lit.) |
| density | 1.581 g/mL at 25 °C (lit.) |
| form | liquid |
| functional group | amine |
| chloro | |
| isocyanate | |
| grade | purum |
| InChI | 1S/C3Cl3NO2/c4-3(5,6)2(9) |
| InChI key | GRNOZCCBOFGDCL-UHFFFAOYSA |
| Quality Level | 100 ![]() |
| refractive index | n |
| n |
|
| SMILES string | ClC(Cl)(Cl)C(=O)N=C=O |
| storage temp. | 2-8°C |
| Application: |
|
| General description: | Trichloroacetyl isocyanate (TAI) is a versatile building block in organic synthesis. It is also used as an in situ derivatizing reagent for the characterization of phenols, alcohols, and amines. |
| Other Notes: | Derivatizing reagent for the structural assignment to hydroxy compounds by NMR; Used in negative ion chemical ionization mass spectrometry |
| Symbol | ![]() ![]() GHS05,GHS06,GHS08 |
| Signal word | Danger |
| Hazard statements | H311 + H331 - H314 - H317 - H334 |
| Precautionary statements | P261 - P271 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | T |
| Risk Statements | 14-23/24-34-42 |
| Safety Statements | 23-26-36/37/39-45 |
| RIDADR | UN 2206PSN1B 6.1 / PGIII |
| WGK Germany | WGK 3 |
| Flash Point(F) | 150.8 °F - closed cup |
| Flash Point(C) | 66 °C - closed cup |
| Supplemental Hazard Statements | EUH014 |
| Purity | ≥97.0% (GC) |
| bp | 80-85 °C/20 mmHg (lit.) |
| Density | 1.581 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| Storage Temp. | 2-8°C |
| UNSPSC | 12352100 |




