Ammonium chloride
SIGMA/09718 - BioUltra, for molecular biology, ≥99.5% (AT)
Synonym: Salmiac
CAS Number: 12125-02-9
Empirical Formula (Hill Notation): H4ClN
Molecular Weight: 53.49
EC Number: 235-186-4
MDL Number: MFCD00011420
Linear Formula: NH4Cl
Product Type: Chemical
| λ | 1 M in H2O |
| anion traces | nitrate (NO3-): ≤5 mg/kg |
| phosphate (PO43-): ≤2 mg/kg | |
| sulfate (SO42-): ≤20 mg/kg | |
| assay | ≥99.5% (AT) |
| cation traces | Al: ≤5 mg/kg |
| As: ≤0.1 mg/kg | |
| Ba: ≤5 mg/kg | |
| Bi: ≤5 mg/kg | |
| Ca: ≤10 mg/kg | |
| Cd: ≤5 mg/kg | |
| Co: ≤5 mg/kg | |
| Cr: ≤5 mg/kg | |
| Cu: ≤2 mg/kg | |
| Fe: ≤2 mg/kg | |
| K: ≤50 mg/kg | |
| Li: ≤5 mg/kg | |
| Mg: ≤5 mg/kg | |
| Mn: ≤5 mg/kg | |
| Mo: ≤5 mg/kg | |
| Na: ≤50 mg/kg | |
| Ni: ≤1 mg/kg | |
| Pb: ≤1 mg/kg | |
| Sr: ≤5 mg/kg | |
| Zn: ≤2 mg/kg | |
| form | powder or crystals |
| grade | for molecular biology |
| impurities | DNases, none detected |
| insoluble matter, passes filter test | |
| phosphatases, none detected | |
| proteases, none detected | |
| RNases, none detected | |
| InChI | 1S/ClH.H3N/h1H;1H3 |
| InChI key | NLXLAEXVIDQMFP-UHFFFAOYSA |
| mp | 340 °C (subl.) (lit.) |
| pH | 4.5-5.5 (25 °C, 1 M in H2O) |
| product line | BioUltra |
| Quality Level | 200  |
| SMILES string | N.Cl |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| UV absorption | λ: 260 nm Amax: ≤0.021 |
| λ: 280 nm Amax: ≤0.019 | |
| vapor density | 1.9 (vs air) |
| vapor pressure | 1 mmHg ( 160.4 °C) |
| Symbol |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302 - H319 |
| Precautionary statements | P264 - P270 - P280 - P301 + P312 - P305 + P351 + P338 - P337 + P313 |
| Hazard Codes | Xn |
| Risk Statements | 22-36 |
| Safety Statements | 22 |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.5% (AT) |
| mp | 340 °C (subl.) (lit.) |
| UNSPSC | 12352302 |