Diphosphoric acid, barium salt (1:2)
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Diphosphoric acid, barium salt (1:2)
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CAS No:
13466-21-2
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Formula:
Ba.1/2H4O7P2
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Chemical Name:
Diphosphoric acid, barium salt (1:2)
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Synonyms:
Diphosphoric acid,barium salt (1:2);Pyrophosphoric acid,barium salt (1:2);Barium pyrophosphate;Barium pyrophosphate (Ba2P2O7);Dibarium pyrophosphate;Barium phosphate (Ba2P2O7);Barium diphosphate (Ba2P2O7);Dibarium diphosphate;Barium metaphosphate oxide (Ba2(PO3)2O);847870-14-8;1643668-65-8;2225746-42-7;2306115-59-1
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CAS No:
Description
White powder. Soluble in acids and ammonium salts; very slightly soluble in water.Barium pyrophosphate has the molecular formula of Ba2P2O7 and the molecular weight of 448.5973 g/mol. It has the CAS number of 13466-21-2 and may be prepared by the solid-state reaction of the dibasic orthophosphate, or alternately by the precipitation of a soluble Ba salt with aqueous pyrophosphoric acid:
2Ba HPO4 + heat Ba2P2O7 +H2O
BaCl2 (aq) +H4P2O7 (aq) Ba2P2O7 (s) + 2HCl (aq)
Characteristics
136
0.94120
3.9
158ºC at 760mmHg
pKsp: 10.5;0.01 g/100mL H2O; soluble acids, NH4 salts
Safety Information
UN 1564 6.1 / PGIII
3
20/22
28
Xn
P261, P264, P270, P271, P301+P312, P304+P312, P304+P340, P312, P330, P501
H302+H332
|Warning|H302+H332 (100%): Harmful if swallowed or if inhaled [Warning Acute toxicity, oral; acute toxicity, inhalation]|P261, P264, P270, P271, P301+P312, P304+P312, P304+P340, P312, P330, and P501|Aggregated GHS information provided by 39 companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Diphosphoric acid, barium salt (1:2) Use and Manufacturing
Diphosphoric acid, barium salt (1:2): ACTIVE
Computed Properties
Molecular Weight:448.60
Hydrogen Bond Acceptor Count:7
Exact Mass:449.722420
Monoisotopic Mass:449.722420
Topological Polar Surface Area:136
Heavy Atom Count:11
Complexity:124
Covalently-Bonded Unit Count:3
Compound Is Canonicalized:Yes
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Diphosphoric acid, barium salt (1:2)
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