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211389

Sigma-Aldrich

Calcium hypochlorite

technical grade

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About This Item

Linear Formula:
Ca(OCl)2
CAS Number:
7778-54-3
Molecular Weight:
142.98
EC Number:
231-908-7
MDL number:
MFCD00010900
UNSPSC Code:
12352300
PubChem Substance ID:
329752091
NACRES:
NA.55

grade

technical grade

form

powder or granules
solid

composition

available chlorine, 65%

reaction suitability

reagent type: oxidant

concentration

≥65% (chlorine titration by Na2S2O3)

mp

100 °C (lit.)

density

2.35 g/mL at 25 °C (lit.)

SMILES string

ClO[Ca]OCl

InChI

1S/Ca.2ClO/c;2*1-2/q+2;2*-1

InChI key

ZKQDCIXGCQPQNV-UHFFFAOYSA-N

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General description

Calcium hypochlorite has oxidizing properties. It participates as an oxidant in the preparation of diamine-benzoquinone polymers.
Calcium hypochlorite is generally used for water disinfection and as a bleaching agent.

Application

Calcium hypochlorite may be used as an oxidant for the following conversions:
  • aldehydes to the corresponding acids
  • primary aliphatic alcohols to methyl esters
  • aliphatic primary alcohols to the corresponding carboxylic acids
Calcium hypochlorite may be used in the following conversions:
  • aldehydes to the corresponding acids
  • primary aliphatic alcohols to methyl esters
  • primary benzyl alcohols to methyl benzoates
  • propargylic alcohols to the corresponding aldehydes and ketones

Signal Word

Danger

Hazard Statements

H272,H302,H314,H400

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Eye Dam. 1 - Ox. Sol. 2 - Skin Corr. 1B

Supplementary Hazards

EUH031

Storage Class Code

5.1A - Strongly oxidizing hazardous materials

WGK

WGK 2

Certificates of Analysis (COA)

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Calcium hypochlorite-mediated oxidation of primary alcohols to methyl esters.
McDonald CE, et al.
Tetrahedron Letters, 34(17), 2741-2744 (1993)
The oxidation of aldehydes to acids with calcium hypochlorite [Ca (OCl)2].
Nwaukwa SO and Keehn PM.
Tetrahedron Letters, 23(31), 3131-3134 (1982)
The oxidation of alcohols and ethers using calcium hypochlorite [Ca (OCl)2].
Nwaukwa SO and Keehn PM.
Tetrahedron Letters, 23(1), 35-38 (1982)
The conversion of aliphatic primary alcohols to the corresponding carboxylic acids using calcium hypochlorite.
Kabalka GW, et al
Synthetic Communications, 20(11), 1617-1623 (1990)
Quinone-amine polymers: 10. Use of calcium hypochlorite in the syntheses of polyamine-quinone (PAQ) polymers.
Nithianandam VS and Erhan S.
Polymer, 32(6), 1146-1149 (1991)
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