Boron phosphate

Structural formula
No drawing available
General
Surname	Boron phosphate
other names	Boron orthophosphate
Molecular formula	BPO 4
Brief description	white odorless solid
External identifiers / databases
CAS number 13308-51-5 EC number 236-337-7 ECHA InfoCard 100.033.020 PubChem 16726750 Wikidata Q2130328
properties
Molar mass	105.78 g mol −1
Physical state	firmly
density	2.52 g cm −3 (25 ° C)
Melting point	> 1400 ° C
solubility	very bad in water: 142 mg l −1 (20 ° C)
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 302-360FD P: 201-264-280-301 + 330 + 331-312
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Boron phosphate is an inorganic chemical compound of boron from the group of phosphates .

Extraction and presentation

Boron phosphate can be obtained by reacting boric acid with phosphoric acid in a platinum crucible .

${\displaystyle \mathrm {H_{3}BO_{3}+H_{3}PO_{4}\longrightarrow BPO_{4}+3\ H_{2}O} }$

properties

Boron phosphate is a white solid that is sparingly soluble in water. It is insoluble in dilute acids and soluble in caustic alkalis. It crystallizes tetragonal (a = 43.32 pm, c = 66.40 pm).

Individual evidence

1. ↑ ^{a b c d} Entry on boron phosphate in the GESTIS substance database of the IFA , accessed on April 18, 2020(JavaScript required) .
2. ↑ Data sheet Boron phosphate, 99.995% from Sigma-Aldrich , accessed on February 16, 2014 ( PDF ).
3. ↑ Data sheet Boron phosphate at AlfaAesar, accessed on February 16, 2014 ( PDF )(JavaScript required) .
4. ↑ ^{a b} Georg Brauer (Ed.), With the collaboration of Marianne Baudler u a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6 , p. 811.