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31307

Sigma-Aldrich

Calcium chloride dihydrate

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

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Empirical Formula (Hill Notation):
CaCl2 · 2H2O
CAS Number:
Molecular Weight:
147.01
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NB.24

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
12022223506C7902
vibrant-m

31307

Calcium chloride dihydrate

Essential Grade
vibrant-m

12022

Calcium chloride dihydrate

Essential Grade
vibrant-m

223506

Calcium chloride dihydrate

-
vibrant-m

C7902

Calcium chloride dihydrate

Essential+ Grade
form

crystalline

form

powder or crystals

form

powder or crystals

form

powder

assay

≥99%

assay

99-103%

assay

≥99%, 99.0-105.0% (ACS specification)

assay

≥99.0%

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

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

impurities

-

anion traces

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

anion traces

fluoride (F-): ≤40 mg/kg, sulfate (SO42-): ≤200 mg/kg

anion traces

sulfate (SO42-): ≤0.01%

anion traces

-

grade

ACS reagent, puriss. p.a.

grade

-

grade

ACS reagent

grade

-

General description

Calcium chloride dihydrate is a useful biochemical reagent.

Application

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

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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Pretreatments to sugarcane bagasse (SCB) such as CaCl2, alkali, ammonia, steam and milling showed 91%, 46%, 47%, 42% and 56% adsorption of Solvent Red 5B (SR5B); 92%, 57%, 58%, 56% and 68% adsorption of simulated dyes mixture (SDM), and 86%

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