Basic information
- Standard SMILES
O=P(O)(O)OP(=O)(O)OP(=O)(O)O- InChIKey
UNXRWKVEANCORM-UHFFFAOYSA-N- Molecular formula
- H5O10P3
- Average molar mass
- 257.96 g/mol
- Monoisotopic mass
- 257.90955625
Overview
Triphosphoric acid is a phosphorus oxoacid and an acyclic phosphorus acid anhydride. It is a conjugate acid of a triphosphate(1-).
Names & identifiers
- Preferred name
- Triphosphoric acid
- IUPAC
- diphosphono hydrogen phosphate
- English name
- triphosphoric acid
- Molecular formula
- H5O10P3
- Molecular weight
- 257.95
Names & synonyms
Show more names
Database identifiers
- CAS
10380-08-2、14127-68-5- PubChem CID
- 983
- DTXSID
DTXSID7047483- ChEMBL
CHEMBL1230191- ChEBI
CHEBI:39949- UNII
- NU43IAG5BC
- EC Number
- 233-840-3
- Nikkaji
- J236.802A
Properties
Computed structural properties
- XLogP
- -4.3
- Topological polar surface area
- 171 Ų
- Hydrogen bond donors
- 5
- Hydrogen bond acceptors
- 10
- Rotatable bonds
- 4
- Heavy atoms
- 13
- Formal charge
- 0
- Complexity
- 272
Experimental & physicochemical properties
Physicochemical properties
- Density
- 2.548 · 2.548±0.06 g/cm3(Predicted)
- pka
- 0.71 · 0.71±0.50(Predicted)
- PH
- 3 · pKa3 = 1.70, pKa4 = 5.34, pKa5 = 7.76(25℃)
- FDA UNII
- 43 IAG5BC · NU43IAG5BC
- EPA Substance Registry System
- Triphosphoric acid (10380-08-2)
- Symbol(GHS)
- 5 · GHS05
- Signal word
- Danger
- Hazard statements
- 314 · H314-H290
- Precautionary statements
- 234 · P234-P390-P404-P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501
- TSCA
- TSCA listed
Safety & regulation
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 94.7% (18 of 19) of all reports.
Not Classified
Aggregated GHS information provided per 19 reports by companies from 2 notifications to the ECHA C&L Inventory.
Danger
H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
P260, P261, P264, P271, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P363, P405, and P501 (click each P-code to see the statement)
Hazard information
Regulatory Information
Chemical: Triphosphoric acid
Triphosphoric acid is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Triphosphoric acid are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
Triphosphoric acid: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Hazard Classes and Categories
Not Classified
Acute toxicity - category 4
Toxicology
Safety data
- tsca
- TSCA listed
- Signal word
- Danger
- Symbol(GHS)
- GHS05
- Hazard statements
- H314-H290
- Precautionary statements
- P234-P390-P404-P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501
Chemistry & industry
Pharmacology
Uses & manufacturing
Uses
Used as a water softener, peptizing agent, emulsifier, dispersing agent, in cleansers, and as a meat preservative; [ChemIDplus]
Sewer and Wastewater Treatment [Category: Industry]
Suppliers3 total
Additional notes
DefinitionChEBI: Triphosphoric acid is a phosphorus oxoacid and an acyclic phosphorus acid anhydride. It is a conjugate acid of a triphosphate(1-).
Related reactions
No reaction records under the current filter.
Linked notes
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