Calcium chloride dihydrate
SIGMA/21097 - BioUltra, for molecular biology, ≥99.5% (KT)
Synonym: CaCl2.2H2O
CAS Number: 10035-04-8
Empirical Formula (Hill Notation): CaCl2 · 2H2O
Molecular Weight: 147.01
EC Number: 233-140-8
MDL Number: MFCD00149613
Linear Formula: CaCl2 · 2H2O
Product Type: Chemical
| λ | 1 M in H2O |
| anion traces | sulfate (SO42-): ≤50 mg/kg |
| assay | ≥99.5% (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: ≤20 mg/kg | |
| Mg: ≤50 mg/kg | |
| Mn: ≤5 mg/kg | |
| Mo: ≤5 mg/kg | |
| Na: ≤100 mg/kg | |
| Ni: ≤5 mg/kg | |
| Pb: ≤5 mg/kg | |
| Sr: ≤100 mg/kg | |
| Zn: ≤5 mg/kg | |
| form | solid |
| grade | for molecular biology |
| impurities | DNases, none detected |
| insoluble matter, passes filter test | |
| phosphatases, none detected | |
| proteases, none detected | |
| RNases, none detected | |
| ≤0.002% total nitrogen (N) | |
| InChI | 1S/Ca.2ClH.2H2O/h;2*1H;2* |
| InChI key | LLSDKQJKOVVTOJ-UHFFFAOYSA |
| mp | 176 °C (dec.) (lit.) |
| pH | 5.0-8.0 (25 °C, 1 M in H2O) |
| product line | BioUltra |
| Quality Level | 200  |
| SMILES string | O.O.Cl[Ca]Cl |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| UV absorption | λ: 260 nm Amax: 0.015 |
| λ: 280 nm Amax: 0.012 |
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