Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: 231-668-3 | CAS number: 7681-52-9
Substance identity
Identification
- Display Name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Type of Substance
- Composition:
- mono-constituent substance
- Origin:
- inorganic
Substance Identifiers open all close all
Chlornan sodný
(No other type specified)
Compositions
Boundary Composition(s)
Legal Entity Composition(s) open all close all
- State Form:
- liquid
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
- State Form:
- liquid
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Impurity
| Impurity |
- State Form:
- liquid
- Degree of purity:
- > 4 - <= 17.5 % (w/w)
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Impurity 1
- Reference substance name:
- Chlorine
- EC Number:
- 231-959-5
- EC Name:
- Chlorine
- CAS Number:
- 7782-50-5
- Molecular formula:
- Cl2
- IUPAC Name:
- chlorine
- State Form:
- liquid
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
- State Form:
- liquid
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
- State Form:
- liquid
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
- State Form:
- liquid
- Degree of purity:
- ca. 25.2 % (w/w)
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
- State Form:
- liquid
- Degree of purity:
- >= 14.3 - <= 16.2 % (w/w)
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Impurity 1
- Reference substance name:
- Sodium chlorate
- EC Number:
- 231-887-4
- EC Name:
- Sodium chlorate
- CAS Number:
- 7775-09-9
- Molecular formula:
- ClHO3.Na
- IUPAC Name:
- sodium chlorate
- State Form:
- liquid
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
- State Form:
- liquid
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
- State Form:
- other: aqueous solution
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
- State Form:
- liquid
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
- State Form:
- liquid
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
- State Form:
- liquid
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
- State Form:
- other: solid
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Impurity
| Impurity |
- State Form:
- liquid
- Degree of purity:
- 97.1 % (w/w)
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Impurity 1
- Reference substance name:
- Sodium hydroxide
- EC Number:
- 215-185-5
- EC Name:
- Sodium hydroxide
- CAS Number:
- 1310-73-2
- Molecular formula:
- HNaO
- IUPAC Name:
- sodium hydroxide
- State Form:
- liquid
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Impurity
| Impurity |
- Degree of purity:
- >= 80 - <= 100 % (w/w)
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Impurity 1
- Reference substance name:
- Sodium hydroxide
- EC Number:
- 215-185-5
- EC Name:
- Sodium hydroxide
- CAS Number:
- 1310-73-2
- Molecular formula:
- HNaO
- IUPAC Name:
- sodium hydroxide
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Impurity
| Impurity |
- Degree of purity:
- > 35 - < 100 % (w/w)
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Impurity 1
- Reference substance name:
- Sodium hydroxide
- EC Number:
- 215-185-5
- EC Name:
- Sodium hydroxide
- CAS Number:
- 1310-73-2
- Molecular formula:
- HNaO
- IUPAC Name:
- sodium hydroxide
Impurity 2
- Reference substance name:
- Sodium carbonate
- EC Number:
- 207-838-8
- EC Name:
- Sodium carbonate
- CAS Number:
- 497-19-8
- Molecular formula:
- CH2O3.2Na
- IUPAC Name:
- disodium carbonate
Impurity 3
- Reference substance name:
- Sodium chlorate
- EC Number:
- 231-887-4
- EC Name:
- Sodium chlorate
- CAS Number:
- 7775-09-9
- Molecular formula:
- ClHO3.Na
- IUPAC Name:
- sodium chlorate
Impurity
| Impurity |
- Degree of purity:
- > 35 - <= 100 % (w/w)
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Impurity 1
- Reference substance name:
- Sodium chloride
- EC Number:
- 231-598-3
- EC Name:
- Sodium chloride
- CAS Number:
- 7647-14-5
- Molecular formula:
- ClNa
- IUPAC Name:
- sodium chloride
Impurity 2
- Reference substance name:
- Sodium hydroxide
- EC Number:
- 215-185-5
- EC Name:
- Sodium hydroxide
- CAS Number:
- 1310-73-2
- Molecular formula:
- HNaO
- IUPAC Name:
- sodium hydroxide
Impurity 3
- Reference substance name:
- Sodium carbonate
- EC Number:
- 207-838-8
- EC Name:
- Sodium carbonate
- CAS Number:
- 497-19-8
- Molecular formula:
- CH2O3.2Na
- IUPAC Name:
- disodium carbonate
Impurity 4
- Reference substance name:
- Sodium chlorate
- EC Number:
- 231-887-4
- EC Name:
- Sodium chlorate
- CAS Number:
- 7775-09-9
- Molecular formula:
- ClHO3.Na
- IUPAC Name:
- sodium chlorate
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Impurity
| Impurity |
- Degree of purity:
- > 99 % (w/w)
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Impurity 1
- Reference substance name:
- Sodium hydroxide
- EC Number:
- 215-185-5
- EC Name:
- Sodium hydroxide
- CAS Number:
- 1310-73-2
- Molecular formula:
- HNaO
- IUPAC Name:
- sodium hydroxide
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Additive
| Additive |
- Degree of purity:
- > 14.6 - < 16 % (w/w)
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Additive 1
- Reference substance name:
- Sodium hydroxide
- EC Number:
- 215-185-5
- EC Name:
- Sodium hydroxide
- CAS Number:
- 1310-73-2
- Molecular formula:
- HNaO
- IUPAC Name:
- sodium hydroxide
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Constituent 1
- Reference substance name:
- Sodium hypochlorite
- EC Number:
- 231-668-3
- EC Name:
- Sodium hypochlorite
- CAS Number:
- 7681-52-9
- Molecular formula:
- ClO.Na
- IUPAC Name:
- sodium hypochlorite
Composition(s) generated upon use
Other types of composition(s)
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
