Registration Dossier
Registration Dossier
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EC number: 231-906-6 | CAS number: 7778-50-9
Reference substances
- IUPAC name:
- sodium dichromate
Inventory
- EC number:
- 231-906-6
- EC name:
- Potassium dichromate
- CAS number:
- 7778-50-9
- CAS number:
- 7778-50-9
Synonyms
- Names:
- Chromic acid (H2Cr2O7), dipotassium salt
- Chromic acid [H2Cr2O7] dipotassium salt, dichromic acid dipotassium salt, dipotassium bichromate, dipotassium dichromate, Lopezite, potassium bichromate, potassium dichromate[VI], dipotassium dichromium hepta-oxide
- Kalium bichromat
- Potassium bichromate
- Identifier:
- IUPAC name
- Dipotassium Dichromate
- Identifier:
- IUPAC name
- Dipotassium dichromate
- Identifier:
- IUPAC name
- Potassium dichromate
- Identifier:
- IUPAC name
- dipotassium dichromate
- Identifier:
- IUPAC name
- potassium dichromate
- Identifier:
- IUPAC name
- potassium dichromate (VI)
- Identifier:
- IUPAC name
- sodium dichromate
- Identifier:
- other: InChl
- InChI=1/2Cr.2K.7O/q;;2*+1;;;;;;2*-1/rCr2O7.2K/c3-1(4,5)9-2(6,7)8;;/q-2;2*+1
- Identifier:
- other: SMILES notation
- [K+].[K+].[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-]
- Identifier:
- other: Molecular formula
- K2Cr2O7
- Identifier:
- other: InChl
- 1S/2Cr.2K.7O/q;;2*+1;;;;;;2*-1
- Identifier:
- other: Molecular formula
- Cr2H2O7.2K
- Identifier:
- other: Molecular formula
- K2Cr2O7; the molecular formula presented in the reference substance (as Cr2H2O7.2K) is not correct; the substance is a dipotassium salt of the chromic acid and therefore the H atoms should not be present in the chemical structure anymore;
- Identifier:
- other: SMILES notation
- [Cr](O[Cr](=O)(=O)[O-])(=O)(=O)[O-].[K+].[K+]
- Identifier:
- other: SMILES notation
- [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O
- potassium dichromate (VI)
Molecular and structural information
- Molecular formula:
- K2Cr2O7
- Molecular weight:
- 294.185
- SMILES notation:
- [K+].[K+].[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-]
- InChl:
- InChI=1/2Cr.2K.7O/q;;2*+1;;;;;;2*-1/rCr2O7.2K/c3-1(4,5)9-2(6,7)8;;/q-2;2*+1
- Structural formula:
Related substances
- Identifier:
- CAS number
- Identity:
- 7778-50-9
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