Hydrazine hydrate solution
SIGALD/53847 - puriss. p.a., 24-26% in H2O (RT)
Synonym: Hydrazinium hydroxide
CAS Number: 10217-52-4
Empirical Formula (Hill Notation): H4N2 · H2O
Molecular Weight: 50.06
MDL Number: MFCD00149931
Linear Formula: NH2NH2 · H2O
Product Type: Chemical
| anion traces | chloride (Cl-): ≤50 mg/kg |
| sulfate (SO42-): ≤50 mg/kg | |
| cation traces | Ca: ≤10 mg/kg |
| Cd: ≤5 mg/kg | |
| Co: ≤5 mg/kg | |
| Cr: ≤5 mg/kg | |
| Cu: ≤5 mg/kg | |
| Fe: ≤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 | |
| concentration | 24-26% (iodometric) |
| 24-26% in H2O (RT) | |
| density | 1.01 g/mL at 20 °C |
| form | liquid |
| grade | puriss. p.a. |
| InChI | 1S/H4N2.H2O/c1-2;/h1-2H2; |
| InChI key | IKDUDTNKRLTJSI-UHFFFAOYSA |
| Quality Level | 200 ![]() |
| SMILES string | O.NN |
| Application: | Hydrazine hydrate solution (24-26% in H2O) is used as a reducing agent in chemical synthesis. It is used to prepare nickel(0) nanoparticles via in-situ reduction of NiCl2 salt. |
| General description: | Hydrazine hydrate solution is the 24-26% aqueous solution of hydrazine. |
| Symbol | ![]() ![]() ![]() GHS05,GHS06,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H302 - H314 - H317 - H331 - H350 - H410 |
| Precautionary statements | P201 - P261 - P273 - P280 - P303 + P361 + P353 - P305 + P351 + P338 |
| Hazard Codes | T,N |
| Risk Statements | 45-20/21/22-34-43-50/53 |
| Safety Statements | 53-26-36/37/39-45-61 |
| RIDADR | UN 3293 6.1 / PGIII |
| WGK Germany | WGK 3 |
| Flash Point(F) | 212.0 °F - closed cup |
| Flash Point(C) | 100 °C - closed cup |
| Density | 1.01 g/mL at 20 °C |
| UNSPSC | 12352302 |





