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13308-51-5

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13308-51-5 Structure

13308-51-5 Structure
IdentificationMore
[Name]

BORON PHOSPHATE
[CAS]

13308-51-5
[Synonyms]

BORON (III) PHOSPHATE
BORON PHOSPHATE
BOROPHOSPHORIC ACID
boronphosphate(b(po4))
boron orthophosphate
Boron phosphate hydrate
BORON PHOSPHATE, 99.995%
BORON PHOSPHATE, 99.98%
Phosphoric acid boron salt
[EINECS(EC#)]

236-337-7
[Molecular Formula]

BO4P
[MDL Number]

MFCD00011318
[Molecular Weight]

105.78
[MOL File]

13308-51-5.mol
Chemical PropertiesBack Directory
[Melting point ]

1400°C
[density ]

2.52 g/mL at 25 °C(lit.)
[form ]

Powder
[color ]

White
[Specific Gravity]

2.81
[Water Solubility ]

Insoluble in water.
[InChI]

InChI=1S/B.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+3;/p-3
[InChIKey]

YZYDPPZYDIRSJT-UHFFFAOYSA-K
[SMILES]

P([O-])([O-])([O-])=O.[B+3]
[CAS DataBase Reference]

13308-51-5(CAS DataBase Reference)
[EPA Substance Registry System]

13308-51-5(EPA Substance)
Hazard InformationBack Directory
[Chemical Properties]

white not hygroscopic crystal(s); prepared by reacting boric acid and phosphoric acid up to 1200°C: B(OH)3+H3PO4=BPO4+3H2O; used in special glasses [HAW93]
[Physical properties]

Physical Properties White infusible solid; density 1.873 g/mL; sublimates slowly above 1,450°C; soluble in water, decomposes to phosphoric acid and boric acid; pH of 1% solution is ~2.0.
[Uses]

Boron phosphate is used as a catalyst for dehydration as well as in other organic reactions. It is employed as a source of phosphates involved in the exchange reaction to prepare metal phosphates. It finds application in refractories, ceramics and flame-retardants.
[Uses]

Boron phosphate is used as an acid catalyst for dehydration of alcohols to olefins; isomemization of olefins; nitration of aromatic hydrocarbons; polymerization of aldehydes and other synthetic reactions. It also is used as a flux in silica-based porcelain and ceramics; special glasses; and acid cleaners.
[Preparation]

Boron phosphate is prepared by heating an equimolar mixture of boric acid and phosphoric acid at 1,000 to 1,200°C:
H3BO3 + H3PO4 → BPO4 + 3H2O
Various preparative methods are adopted at nonstoichiometric formulations, incomplete dehydration or using oxide additives to obtain boron phosphate of varying purity for its catalytic applications. The compound also forms hydrates (tri- tetra-, penta-, and hexahydrates) which readily decompose in water to phosphoric acid and boric acid.
[Flammability and Explosibility]

Nonflammable
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P280-P301+P312-P261
[Hazard Codes ]

Xi
[Risk Statements ]

36/37/38
[Safety Statements ]

S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
[TSCA ]

Yes
[REACH Registrations]

Active
[HS Code ]

2835299000
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Formaldehyde-->Poly(tetrafluoroethylene)
[Preparation Products]

solid phosphoric acid catalyst T-49
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

Boron phosphate(13308-51-5)
[Sigma Aldrich]

13308-51-5(sigmaaldrich)
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