Difference between revisions of "Ammonium dichromate"
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== Description == | == Description == | ||
| − | Orange-red prismatic needles. Ammonium dichromate is mixed with [ | + | Orange-red prismatic needles. Ammonium dichromate is mixed with [[albumin|albumin]] and water to make a light sensitive emulsion for photolithography. It is also used in photography, process engraving, leather tanning, porcelain glazes, textile dyeing, and pyrotechnics. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 12:21, 7 January 2014
Description
Orange-red prismatic needles. Ammonium dichromate is mixed with Albumin and water to make a light sensitive emulsion for photolithography. It is also used in photography, process engraving, leather tanning, porcelain glazes, textile dyeing, and pyrotechnics.
Synonyms and Related Terms
ammonium bichromate
Other Properties
Soluble in water and ethanol.
| Composition | (NH4)2Cr2O7 |
|---|---|
| CAS | 7789-09-5 |
| Melting Point | 180 (dec) |
| Density | 2.155 |
| Molecular Weight | mol. wt. = 252.07 |
Hazards and Safety
Corrosive. Contact causes burns to skin and membranes.
Strong Oxidizer. Contact with other materials may cause flames.
Carcinogenic. Toxic by inhalation and ingestion.
Mallinckrodt Baker: MSDS
Authority
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 544