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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 231-915-5 | CAS number: 7778-80-5
Substance identity
Identification
- Display Name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Type of Substance
- Composition:
- mono-constituent substance
- Origin:
- inorganic
Substance Identifiers open all close all
Compositions
Boundary Composition(s)
Legal Entity Composition(s) open all close all
- State Form:
- solid: bulk
- Degree of purity:
- 85 % (w/w)
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity 1
- Reference substance name:
- Potassium hydrogensulphate
- EC Number:
- 231-594-1
- EC Name:
- Potassium hydrogensulphate
- CAS Number:
- 7646-93-7
- Molecular formula:
- H2O4S.K
- IUPAC Name:
- sulfuric acid
Impurity
| Impurity |
- State Form:
- solid: bulk
- Degree of purity:
- 86 % (w/w)
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity 1
- Reference substance name:
- Potassium hydrogensulphate
- EC Number:
- 231-594-1
- EC Name:
- Potassium hydrogensulphate
- CAS Number:
- 7646-93-7
- Molecular formula:
- H2O4S.K
- IUPAC Name:
- sulfuric acid
- State Form:
- other: solid
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
- State Form:
- solid: bulk
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
- State Form:
- other: solid
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
- State Form:
- other: granules
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
- State Form:
- solid: bulk
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
- State Form:
- solid: bulk
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
- State Form:
- solid: bulk
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
- State Form:
- solid: particulate/powder
- Degree of purity:
- >= 82 - <= 97 % (w/w)
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity 1
- Reference substance name:
- Potassium hydrogensulphate
- EC Number:
- 231-594-1
- EC Name:
- Potassium hydrogensulphate
- CAS Number:
- 7646-93-7
- Molecular formula:
- H2O4S.K
- IUPAC Name:
- sulfuric acid
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity
| Impurity |
- State Form:
- solid: particulate/powder
- Degree of purity:
- >= 83 - < 89.5 % (w/w)
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity 1
- Reference substance name:
- Dipotassium disulphate
- EC Number:
- 232-216-8
- EC Name:
- Dipotassium disulphate
- CAS Number:
- 7790-62-7
- Molecular formula:
- H2O7S2.2K
- IUPAC Name:
- dipotassium disulphate
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity
| Impurity |
- State Form:
- solid: particulate/powder
- Degree of purity:
- > 93 - <= 96.7 % (w/w)
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity 1
- Reference substance name:
- Potassium hydrogensulphate
- EC Number:
- 231-594-1
- EC Name:
- Potassium hydrogensulphate
- CAS Number:
- 7646-93-7
- Molecular formula:
- H2O4S.K
- IUPAC Name:
- sulfuric acid
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity
| Impurity |
- State Form:
- solid: bulk
- Degree of purity:
- >= 95.5 - <= 97 % (w/w)
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity 1
- Reference substance name:
- Potassium hydrogensulphate
- EC Number:
- 231-594-1
- EC Name:
- Potassium hydrogensulphate
- CAS Number:
- 7646-93-7
- Molecular formula:
- H2O4S.K
- IUPAC Name:
- sulfuric acid
Impurity
| Impurity |
- State Form:
- solid: particulate/powder
- Degree of purity:
- >= 82 - <= 100 % (w/w)
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity 1
- Reference substance name:
- Potassium hydrogensulphate
- EC Number:
- 231-594-1
- EC Name:
- Potassium hydrogensulphate
- CAS Number:
- 7646-93-7
- Molecular formula:
- H2O4S.K
- IUPAC Name:
- sulfuric acid
Impurity 2
- Reference substance name:
- Dipotassium disulphate
- EC Number:
- 232-216-8
- EC Name:
- Dipotassium disulphate
- CAS Number:
- 7790-62-7
- Molecular formula:
- H2O7S2.2K
- IUPAC Name:
- dipotassium disulphate
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
- Degree of purity:
- ca. 89 % (w/w)
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity 1
- Reference substance name:
- Potassium hydrogensulphate
- EC Number:
- 231-594-1
- EC Name:
- Potassium hydrogensulphate
- CAS Number:
- 7646-93-7
- Molecular formula:
- H2O4S.K
- IUPAC Name:
- sulfuric acid
Impurity
| Impurity |
- Degree of purity:
- >= 85.5 - <= 94.3 % (w/w)
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity 1
- Reference substance name:
- Potassium hydrogensulphate
- EC Number:
- 231-594-1
- EC Name:
- Potassium hydrogensulphate
- CAS Number:
- 7646-93-7
- Molecular formula:
- H2O4S.K
- IUPAC Name:
- sulfuric acid
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity
| Impurity |
- Degree of purity:
- > 93.7 - < 100 % (w/w)
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity 1
- Reference substance name:
- Sulphuric acid
- EC Number:
- 231-639-5
- EC Name:
- Sulphuric acid
- CAS Number:
- 7664-93-9
- Molecular formula:
- H2O4S
- IUPAC Name:
- sulfuric acid
Impurity
| Impurity |
- Degree of purity:
- > 92 - < 100 % (w/w)
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity 1
- Reference substance name:
- Potassium hydrogensulphate
- EC Number:
- 231-594-1
- EC Name:
- Potassium hydrogensulphate
- CAS Number:
- 7646-93-7
- Molecular formula:
- H2O4S.K
- IUPAC Name:
- sulfuric acid
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity
| Impurity |
- Degree of purity:
- > 80 % (w/w)
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity 1
- Reference substance name:
- Potassium hydrogensulphate
- EC Number:
- 231-594-1
- EC Name:
- Potassium hydrogensulphate
- CAS Number:
- 7646-93-7
- Molecular formula:
- H2O4S.K
- IUPAC Name:
- sulfuric acid
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity
| Impurity |
- Degree of purity:
- ca. 87 % (w/w)
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity 1
- Reference substance name:
- Potassium hydrogensulphate
- EC Number:
- 231-594-1
- EC Name:
- Potassium hydrogensulphate
- CAS Number:
- 7646-93-7
- Molecular formula:
- H2O4S.K
- IUPAC Name:
- sulfuric acid
- Degree of purity:
- 81 % (w/w)
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity 1
- Reference substance name:
- Potassium hydrogensulphate
- EC Number:
- 231-594-1
- EC Name:
- Potassium hydrogensulphate
- CAS Number:
- 7646-93-7
- Molecular formula:
- H2O4S.K
- IUPAC Name:
- sulfuric acid
Impurity
| Impurity |
- Degree of purity:
- >= 95 - <= 100 % (w/w)
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity 1
- Reference substance name:
- Potassium hydrogensulphate
- EC Number:
- 231-594-1
- EC Name:
- Potassium hydrogensulphate
- CAS Number:
- 7646-93-7
- Molecular formula:
- H2O4S.K
- IUPAC Name:
- sulfuric acid
- Degree of purity:
- ca. 93.6 % (w/w)
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
Impurity 1
- Reference substance name:
- Potassium hydrogensulphate
- EC Number:
- 231-594-1
- EC Name:
- Potassium hydrogensulphate
- CAS Number:
- 7646-93-7
- Molecular formula:
- H2O4S.K
- IUPAC Name:
- sulfuric acid
Constituent 1
- Reference substance name:
- Potassium sulfate
- EC Number:
- 231-915-5
- EC Name:
- Potassium sulfate
- CAS Number:
- 7778-80-5
- Molecular formula:
- H2O4S.2K
- IUPAC Name:
- dipotassium sulfate
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.
