Metaphosphoric acid (HPO3)
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Metaphosphoric acid (HPO3)
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CAS No:
10343-62-1
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Formula:
HO3P
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Chemical Name:
Metaphosphoric acid (HPO3)
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Synonyms:
Metaphosphoric acid (HPO3);Phosphenic acid;Metaphosphoric acid;135306-83-1
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CAS No:
Description
Glassy colorless solid or viscous liquid, chemical formula (HPO₃)ₙ, with a cyclic or chain polymer structure. It has strong hygroscopicity and gradually converts into orthophosphoric acid in water.
Characteristics
54.4
0.06660
Clear pieces
dissolves very slowly in cold H2O to form H3PO4, formation of H3PO4 accelerated by boiling; soluble alcohol
Safety Information
UN 3260 8/PG 3
3
34
26-36/37/39-45
C
P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P405, P501
H314
|Danger|H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]|P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P405, and P501|Aggregated GHS information provided by 47 companies from 3 notifications to the ECHA C&L Inventory.
Metaphosphoric acid (HPO3) Use and Manufacturing
Metaphosphoric acid (HPO3) is primarily used as a protein precipitant in biochemical and food analytical methods. Dental products utilize it for its enamel-etching properties in some treatments. The chemical industry employs it as a dehydrating agent in certain synthesis processes.
Metaphosphoric acid (HPO3) is primarily used as a protein precipitant in biochemical and food analytical methods. Dental products utilize it for its enamel-etching properties in some treatments. The chemical industry employs it as a dehydrating agent in certain synthesis processes.
All other basic inorganic chemical manufacturing|Metaphosphoric acid: ACTIVE
Cosmetics -> Buffering; Chelating
Computed Properties
Molecular Weight:79.980
XLogP3:-1.2
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:3
Exact Mass:79.96633089
Monoisotopic Mass:79.96633089
Topological Polar Surface Area:54.4
Heavy Atom Count:4
Complexity:46.2
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:No
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