Hydroxylamine hydrochloride
SIGALD/55460 - puriss. p.a., ACS reagent, ≥99.0% (RT)
Synonym: Hydroxylammonium chloride
CAS Number: 5470-11-1
Empirical Formula (Hill Notation): H3NO · HCl
Molecular Weight: 69.49
EC Number: 226-798-2
MDL Number: MFCD00051089
Linear Formula: NH2OH · HCl
Product Type: Chemical
| anion traces | sulfate (SO42-): ≤50 mg/kg |
| assay | ≥99.0% (RT) |
| 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 | |
| heavy metals: ≤5 ppm (by ICP) | |
| 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 | |
| density | 1.67 g/mL at 25 °C (lit.) |
| form | powder or crystals |
| grade | ACS reagent |
| puriss. p.a. | |
| ign. residue | ≤0.05% (as SO4) |
| InChI | 1S/ClH.H3NO/c;1-2/h1H;2H, |
| InChI key | WTDHULULXKLSOZ-UHFFFAOYSA |
| mp | 155-157 °C (dec.) (lit.) |
| pH | 2.5-3.5 (25 °C, 50 mg/mL in H2O) |
| Quality Level | 300 ![]() |
| SMILES string | Cl.NO |
| technique(s) | inhibition assay: suitable |
| vapor pressure | 0.001 hPa ( 50 °C) |
| Application: |
|
| Biochem/physiol Actions: | MAO inhibitor; inhibits platelet aggregation. |
| General description: | Hydroxylamine hydrochloride (Hydroxylammonium chloride) is the hydrochloride salt of hydroxylamine. It participates in the synthesis of 1,2,4-oxadiazoles. |
| Symbol | ![]() ![]() ![]() GHS05,GHS07,GHS08,GHS09 |
| Signal word | Warning |
| Hazard statements | H290 - H302 + H312 - H315 - H317 - H319 - H351 - H373 - H400 |
| Precautionary statements | P273 - P280 - P301 + P312 - P302 + P352 + P312 - P305 + P351 + P338 - P308 + P313 |
| Hazard Codes | E,Xn,N |
| Risk Statements | 2-21/22-36/38-40-43-48/22-50 |
| Safety Statements | 36/37-61 |
| RIDADR | UN2923 - class 8 - PG 3 - EHS - acidic - Corrosive solids, toxic |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.0% (RT) |
| mp | 155-157 °C (dec.) (lit.) |
| Density | 1.67 g/mL at 25 °C (lit.) |
| UNSPSC | 12352300 |





