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7783-28-0

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Basic Information
Name: Diammonium hydrogenphosphate
CAS No.: 7783-28-0
Molecular Structure:
Molecular Structure of 7783-28-0 (Diammonium hydrogenphosphate)
Formula: (NH4)2HPO4
Molecular Weight: 132.08
Synonyms: Ammonium hydrogen phosphate;Ammonium monohydrogen phosphate;Ammoniumorthophosphate dibasic;Ammonium phosphatedibasic;Diammonium acid phosphate;Diammonium hydrogen phosphate((NH4)HPO4);Diammonium orthophosphate;Dibasic ammonium phosphate;
EINECS: 231-987-8
Density: 1.619 g/cm3
Melting Point: 155 °C (dec.)(lit.)
Boiling Point: 158 °C at 760 mmHg
Flash Point:
Solubility: 57.5 g/100 mL (10 °C) in water
Appearance: white crystalline powder
Hazard Symbols: IrritantXi, HarmfulXn
Risk Codes: 36/37/38-20/21/22
Safety: 26-36
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Reference

Method and device in manufacturing foamed urea formaldehyde material to be used as a sorbent
Method and device in manufacturing foamed urea formaldehyde material to be used as a sorbent. Vallentin, Berglund Jan Olof (Swed. ). Eur. Pat. Appl. EP 96676 A2 21 Dec 1983,10 pp. DESIGNATED STATES: R: AT, BE, CH, DE, FR, GB, IT, LI, NL, SE. (English). (European Patent Organization). CODEN: EPXXDW. CLASS: IC: C02F001-28; C08J009-30. ICI: C08J009-30, C08L061-24. APPLICATION: EP 83-850158 9 Jun 1983. PRIORITY: AU 82-84721 9 Jun 1982. DOCUMENT TYPE: Patent CA Section: 38 (Plastics Fabrication and Uses) A method and app. are provided for manuf. of formaldehyde-urea copolymer (I) [9011-05-6] foam pieces useful as sorbents for oil spills and the like. Thus, I is combined with a blowing agent and allowed to foam into a covering where hardening is initiated. The hardened foam is sprayed with diammonium orthophosphate [7783-28-0] and cut into pieces which are packed, with preserved moisture content, into bags which are hermetically sealed for storage.
Fireproofing shampoo composition
Fireproofing shampoo composition. Pearson, Glenn A. (USA ). U.Chemicals with cas numbers 102-71-6 and 7664-38-2 also play role.S. US 3990977 9 Nov 1976,4 pp. (English). (United States of America). CODEN: USXXAM. CLASS: IC: C09K003-28. NCL: 252008100. APPLICATION: US 75-562912 27 Mar 1975. DOCUMENT TYPE: Patent CA Section: 46 (Surface Active Agents and Detergents) Cleaning and fireproofing compns. useful on textiles, plastics, wood, etc., contained triethanolamine (I) [102-71-6], a detergent, and fireproofing agents such as diammonium phosphate (II) [7783-28-0], ammonium sulfamate (III) [7773-06-0], or a reaction product of urea [57-13-6] and H3PO4. Thus, 400 g H2O contg. 52 g I was mixed with 85% H3PO4 40, II 30, III 15, and Nacconol 20 g, and the mixt. was used as a carpet shampoo, leaving a fire retardant film on the carpet fibers. .
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