[A11816] CAS 7788-99-0 | Chromium(III) potassium sulfate dodecahydrate, 98% | Alfa
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Brand: Alfa Aesar
7788-99-0 | CrH24KO20S2 | chrome alum
Chemical Identifiers
CAS
7788-99-0
Molecular Weight (g/mol)
499.39
Synonym
chrome alum
SMILES
O.O.O.O.O.O.O.O.O.O.O.O.[K+].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O
InChI Key
ZFVHBEKVAITXHW-UHFFFAOYSA-J
Molecular Formula
CrH24KO20S2
IUPAC Name
chromium(3+) potassium dodecahydrate disulfate
Specifications
Appearance (Color)
Dark purple
Form
Crystals or powder or crystalline powder or fused solid
Assay (Redox Titration)
≥97.5 to ≤102.5%
설명
Chromium(III) potassium sulfate is used for tanning of leather and as a photographic film hardener. It is used in manufacturing of chromium-containing catalyst.It is used in mordantin in printing and dyeing industry and it could also be used as analytical reagent. In addition, it is also used as food additive.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Applications
Chromium(III) potassium sulfate is used for tanning of leather and as a photographic film hardener. It is used in manufacturing of chromium-containing catalyst.It is used in mordantin in printing and dyeing industry and it could also be used as analytical reagent. In addition, it is also used as food additive.
Chromium(III) potassium sulfate is used for tanning of leather and as a photographic film hardener. It is used in manufacturing of chromium-containing catalyst.It is used in mordantin in printing and dyeing industry and it could also be used as analytical reagent. In addition, it is also used as food additive.
Solubility
Soluble in water. 24 g/100 mL (15°C)
Notes
Incompatible with magnesium, aluminum. Store away from heat.
Other References:
Merck Index:14,2229
GHS Hazard and Precautionary Statements
Hazard Statements:H315-H319
GHS H StatementH315-H319 Causes skin irritation. Causes serious eye irritation.
Precautionary Statements:P264b-P280-P302+P352-P305+P351+P338-P332+P313-P362
Risk & Safety
TSCA:YesRTECS Number:GB6850000
경고:RUO – Research Use Only
CAS7788-99-0FORMULACrH24KO20S2EINECS233-401-6MDLMFCD00149917
| Pakage | 100g, 2500g, 500g |
|---|---|
| brand | Alfa Aesar |
