Calcium chloride hexahydrate
SIGMA/21108 - BioUltra, ≥98.0% (calc. based on dry substance, KT)
Synonym: CaCl2; Calcium chloride; Calcium dichloride
CAS Number: 7774-34-7
Empirical Formula (Hill Notation): CaCl2 · 6H2O
Molecular Weight: 219.08
MDL Number: MFCD00149616
Linear Formula: CaCl2 · 6H2O
Product Type: Chemical
| λ | 1 M in H2O |
| anion traces | sulfate (SO42-): ≤100 mg/kg |
| assay | ≥98.0% (calc. based on dry substance, KT) |
| cation traces | As: ≤0.1 mg/kg |
| Ba: ≤5 mg/kg | |
| Bi: ≤5 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 | |
| Li: ≤5 mg/kg | |
| Mg: ≤50 mg/kg | |
| Mn: ≤5 mg/kg | |
| Mo: ≤5 mg/kg | |
| Na: ≤500 mg/kg | |
| Ni: ≤5 mg/kg | |
| Pb: ≤5 mg/kg | |
| Zn: ≤5 mg/kg | |
| density | 1.71 g/mL at 25 °C (lit.) |
| form | solid |
| grade | reagent grade |
| impurities | Insoluble matter, passes filter test |
| InChI | 1S/Ca.2ClH.6H2O/h;2*1H;6* |
| InChI key | QHFQAJHNDKBRBO-UHFFFAOYSA |
| mp | 30 °C |
| pH | 5.0-7.0 (25 °C, 1 M in H2O) |
| product line | BioUltra |
| Quality Level | 100 ![]() |
| SMILES string | O.O.O.O.O.O.Cl[Ca]Cl |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| UV absorption | λ: 260 nm Amax: 0.018 |
| λ: 280 nm Amax: 0.015 |
| Application: |
|
| Disclaimer: | may also be liquid at temperatures >28°C |
| Symbol | GHS07 |
| Signal word | Warning |
| Hazard statements | H319 |
| Precautionary statements | P280 - P305 + P351 + P338 - P337 + P313 |
| Hazard Codes | Xi |
| Risk Statements | 36 |
| Safety Statements | 22-24 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥98.0% (calc. based on dry substance, KT) |
| mp | 30 °C |
| Density | 1.71 g/mL at 25 °C (lit.) |
| UNSPSC | 12352302 |


