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31307

Sigma-Aldrich

Calcium chloride dihydrate

puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99%

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500 G
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1 KG
$134.00

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500 G
$66.21
1 KG
$134.00

About This Item

Empirical Formula (Hill Notation):
CaCl2 · 2H2O
CAS Number:
Molecular Weight:
147.01
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NB.24
assay:
≥99%
form:
crystalline

$66.21

List Price$87.70Save 25%
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In StockDetails


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grade

ACS reagent
puriss. p.a.

Quality Level

agency

reag. Ph. Eur.

vapor pressure

0.01 hPa ( 20 °C)

assay

≥99%

form

crystalline

impurities

≤0.003% oxidizing substances (as NO3)
≤0.005% ammonium (NH4)
≤0.01% insoluble in water
≤5 ppm heavy metals (by ICP)

pH

4.5-8.0 (25 °C, 5%)

mp

176 °C (dec.) (lit.)

anion traces

nitrate (NO3-): ≤20 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤1 mg/kg
As: ≤1 mg/kg
Ba: ≤50 mg/kg
Cd: ≤5 mg/kg
Co: ≤50 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Mg: ≤50 mg/kg
Na: ≤50 mg/kg
Ni: ≤50 mg/kg
Pb: ≤5 mg/kg
Sr: ≤100 mg/kg
Zn: ≤5 mg/kg

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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1 of 4

This Item
12022C3881223506
form

crystalline

form

powder or crystals

form

powder

form

powder or crystals

assay

≥99%

assay

99-103%

assay

≥99.0%

assay

≥99%, 99.0-105.0% (ACS specification)

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

grade

ACS reagent, puriss. p.a.

grade

-

grade

-

grade

ACS reagent

impurities

≤0.003% oxidizing substances (as NO3), ≤0.01% insoluble in water, ≤0.005% ammonium (NH4), ≤5 ppm heavy metals (by ICP)

impurities

≤0.0001% Al, ≤0.001% heavy metals (as Pb), ≤0.005% free acid (as HCl), ≤0.005% free alkali (as CaO)

impurities

-

impurities

≤0.003% oxidizers, ≤0.01% NH4OH pptd., ≤0.01% calcium chloride, ≤0.01% insolubles

vapor pressure

0.01 hPa ( 20 °C)

vapor pressure

0.01 hPa ( 20 °C)

vapor pressure

0.01 hPa ( 20 °C)

vapor pressure

0.01 mmHg ( 20 °C)

General description

Calcium chloride dihydrate is a useful biochemical reagent.

Application

Calcium chloride dihydrate was used in the preparation of calcium-alginate beads.[1] It may be used for the concentration of virus vectors in a protocol.[2]

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Eye Irrit. 2

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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