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21097

Sigma-Aldrich

Calcium chloride dihydrate

BioUltra, for molecular biology, ≥99.5% (KT)

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Synonym(s):
CaCl2.2H2O
Empirical Formula (Hill Notation):
CaCl2 · 2H2O
CAS Number:
Molecular Weight:
147.01
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.26

grade

for molecular biology

Quality Level

product line

BioUltra

Assay

≥99.5% (KT)

form

solid

impurities

DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected
≤0.002% total nitrogen (N)

pH

5.0-8.0 (25 °C, 1 M in H2O)

mp

176 °C (dec.) (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

sulfate (SO42-): ≤50 mg/kg

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

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: 0.015
λ: 280 nm Amax: 0.012

SMILES string

O.O.Cl[Ca]Cl

InChI

1S/Ca.2ClH.2H2O/h;2*1H;2*1H2/q+2;;;;/p-2

InChI key

LLSDKQJKOVVTOJ-UHFFFAOYSA-L

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This Item
C3306C508020966
Calcium chloride dihydrate BioUltra, for molecular biology, ≥99.5% (KT)

Sigma-Aldrich

21097

Calcium chloride dihydrate

Premium Grade
Calcium chloride dihydrate BioXtra, ≥99.0%

Sigma-Aldrich

C5080

Calcium chloride dihydrate

Premium Grade
Cesium chloride BioUltra, for molecular biology, ≥99.5% (AT)

Sigma-Aldrich

20966

Cesium chloride

Premium Grade
assay

≥99.5% (KT)

assay

≥99.0%

assay

≥99.0%

assay

≥99.5% (AT)

form

solid

form

powder

form

powder

form

solid

impurities

DNases, none detected, RNases, none detected, insoluble matter, passes filter test, phosphatases, none detected, proteases, none detected, ≤0.002% total nitrogen (N)

impurities

-

impurities

≤0.0005% Phosphorus (P), ≤0.1% Insoluble matter

impurities

DNases, none detected, RNases, none detected, insoluble matter, passes filter test, phosphatases, none detected, proteases, none detected, ≤0.001% total nitrogen (N)

pH

5.0-8.0 (25 °C, 1 M in H2O)

pH

-

pH

-

pH

6.0-7.5 (25 °C, 3 M in H2O)

mp

176 °C (dec.) (lit.)

mp

176 °C (dec.) (lit.)

mp

176 °C (dec.) (lit.)

mp

645 °C (lit.)

Other Notes

In the calcium phosphate method for the transfection of eukaryotic cells

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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