Ammonium phosphate dibasic
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Description
Ororless, colorless crystals that is used to fireproof textiles, paper, wood, and baskets. Ammonium phosphate dibasic is also used as a flux for soldering Tin, Copper, Brass, and Zinc.
Synonyms and Related Terms
secondary ammonium phosphate; diammonium hydrogen phosphate
Risks
- Harmful if swallowed.
- Contact causes irritation.
- Fisher Scientific: SDS
Physical and Chemical Properties
- Soluble in water forming solution with pH about 8.
- Insoluble in alcohol, acetone.
- Used for the detection of magnesium (Arnold 1984).
| Composition | (NH4)2HPO4 |
|---|---|
| CAS | 7783-28-0 |
| Density | 1.62 g/ml |
| Molecular Weight | mol. wt. = 132.06 |
Resources and Citations
- A. Arnold, "Determination of mineral salts from monuments", Studies in Conservation (29) 1984 (Detection of magnesium)
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 576
- Wikipedia: http://en.wikipedia.org/wiki/Ammonium_phosphate (Accessed Mar. 20, 2006)