sodium bichromate
Noun: A red-orange, crystalline, inorganic salt with the chemical formula Na₂Cr₂O₇. It is a powerful oxidizing agent and is primarily used as a mordant in dyeing and textile processing to fix colors onto fabrics. It is also used in leather tanning and as a corrosion inhibitor. The compound is toxic and a known health hazard.
Sodium bichromate is used in industrial processes. It is not used in everyday conversation but in technical, chemical, and manufacturing contexts. * The laboratory ordered a new supply of sodium bichromate for the mordanting experiments. * Proper safety equipment is essential when handling sodium bichromate due to its toxicity.
- Technical Specification: The term is precise and used in material safety data sheets (MSDS), chemical supply catalogs, and industrial procedure manuals.
- Historical Context: Its use has declined in some applications due to environmental and health concerns regarding hexavalent chromium compounds.
- Sodium dichromate: This is the modern, systematic IUPAC name for the same compound and is often used interchangeably in scientific literature.
- Bichromate: A general term for salts containing the dichromate ion (Cr₂O₇²⁻).
- Mordant: A substance used to set dyes on fabrics.
- Sodium dichromate (precise synonym)
- Disodium dichromate (systematic name)
This term refers specifically to a single, well-defined chemical compound. It does not have idiomatic or figurative meanings. Its primary association is with its function as a mordant.
- a red-orange salt used as a mordant