[043180] Ammonium dichromate, 99.995% (metals basis) | Alfa
0 ₩
Brand: Alfa Aesar
| Cr2H8N2O7 | ammonium dichromate
Chemical Identifiers
CAS
7789-09-5
Molecular Weight (g/mol)
252.06
Synonym
ammonium dichromate
SMILES
[NH4+].[NH4+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O
InChI Key
JOSWYUNQBRPBDN-UHFFFAOYSA-P
Molecular Formula
Cr2H8N2O7
IUPAC Name
diammonium [(oxidodioxochromio)oxy]chromiumoylolate
Specifications
Appearance (Color)
Orange to red
Form
Powder or crystals or crystalline powder
Total Metal Impurities
≤0.005%
설명
Ammonium dichromate is used in photo engraving, dye mordant, pigments, pickling, photography, process engraving, lithography, pyrotechnics, glazes for porcelain and china wares. It acts as a catalyst and a source of nitrogen in the laboratory and as the photoactive site. It is also used in the preparation of alizarin and chrome alum. Further, it is used in leather and oil industry for tanning and purification respectively. It is involved in the production of the phosphor raster television screens and other devices.
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.
Other References:
Merck Index:14,515UN Number:UN1439
GHS Hazard and Precautionary Statements
Hazard Statements:H272-H301-H312-H314-H317-H330-H334-H340-H350-H360FD-H372-H500
GHS H StatementH272-H330-H334-H340-H350-H360-H372-H314-H318-H302-H312-H317 May intensify fire oxidizer. Fatal if inhaled. May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause genetic defects.
Precautionary Statements:P201-P202-P260-P264b-P270-P271-P272-P280g-P281-P284-P285-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P333+P313-P363-P501c
Risk & Safety
TSCA:YesRTECS Number:HX7650000
경고:RUO – Research Use Only
CAS7789-09-5FORMULACr2H8N2O7HAZARD CLASS5.1EINECS232-143-1MDLMFCD00010879PACKAGING GROUPII
| Pakage | 100g, 25g |
|---|---|
| brand | Alfa Aesar |
