[013444] Ammonium dichromate, ACS, 99.5% min | Alfa
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Brand: Alfa Aesar
| Cr2H8N2O7 | ammonium dichromate
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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
Assay (unspecified)
99.5% (NH₄)₂Cr₂O₇ min
Impurity content
Ca 0.002%
Impurity content
Cl 0.005%
Impurity content
Fe 0.002%
Impurity content
Na 0.005%
설명
Catalysts, source of pure nitrogen, in lithography, manufacturing of pigmentsAmmonium 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.
GHS Hazard and Precautionary Statements
Hazard Statements:H272-H301-H312-H314-H317-H330-H334-H340-H350-H360FD-H372-H500
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 | 2kg, 500g |
|---|---|
| brand | Alfa Aesar |
