Thiosemicarbazide
SIAL/89050 - puriss. p.a., 98%
Synonym: Thiocarbamoyl hydrazide
CAS Number: 79-19-6
Empirical Formula (Hill Notation): CH5N3S
Molecular Weight: 91.14
EC Number: 201-184-7
MDL Number: MFCD00007620
Linear Formula: NH2CSNHNH2
Product Type: Chemical
| anion traces | sulfate (SO42-): ≤100 mg/kg |
| assay | 98% |
| cation traces | Ca: ≤50 mg/kg |
| Cd: ≤5 mg/kg | |
| Co: ≤5 mg/kg | |
| Cr: ≤5 mg/kg | |
| Cu: ≤5 mg/kg | |
| K: ≤50 mg/kg | |
| Mg: ≤5 mg/kg | |
| Mn: ≤5 mg/kg | |
| Na: ≤50 mg/kg | |
| Ni: ≤5 mg/kg | |
| Pb: ≤5 mg/kg | |
| Zn: ≤5 mg/kg | |
| form | crystals |
| grade | puriss. p.a. |
| ign. residue | ≤0.08% (as SO4) |
| InChI | 1S/CH5N3S/c2-1(5)4-3/h3H2 |
| InChI key | BRWIZMBXBAOCCF-UHFFFAOYSA |
| mp | 180-183 °C (dec.) (lit.) |
| Quality Level | 100  |
| SMILES string | NNC(N)=S |
| Application: | Thiosemicarbazide has been used as an analytical reagent for the measurement of urea net high-affinity uptake in roots of intact maize plants using colorimetric assay. |
| General description: | Thiosemicarbazide is an environmentally toxic compound, which is usually derived from thiourea. Its ability to chelate trace metals promotes its biological activity against certain tumors, protozoa, influenza, pesticides, and fungicides. It is widely used as a metal complexing agent in various fields involving the characterization of aliphatic or aromatic aldehydes, ketones, and polysaccharides. |
| Symbol |  GHS06 |
| Signal word | Danger |
| Hazard statements | H300 |
| Precautionary statements | P264 - P301 + P310 |
| Hazard Codes | T+ |
| Risk Statements | 28 |
| Safety Statements | 22-26-36/37-45 |
| RIDADR | UN 2811 6.1 / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 98% |
| mp | 180-183 °C (dec.) (lit.) |
| UNSPSC | 12352100 |