CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Hygroscopic solid; [Merck Index] Light yellow hygroscopic solid; [Acros Organics MSDS] |
|---|---|
| Melting Point | 61 °C |
| Collision Cross Section | 145.58 Ų [M+Na]+ [CCS Type: DT, Method: stepped-field] |
| Chemical Classes | Toxic Gases & Vapors -> Acids, Inorganic |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Corrosion Corrosives GHS05 ![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P310:Immediately call a POISON CENTER or doctor/physician. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 177.98 g/mol |
|---|---|
| XLogP3 | -3.2 |
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 2 |
| Exact Mass | 177.94322646 g/mol |
| Monoisotopic Mass | 177.94322646 g/mol |
| Topological Polar Surface Area | 124 Ų |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 147 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Diphosphoric acid is an acyclic phosphorus acid anhydride obtained by condensation of two molecules of phosphoric acid. It has a role as an Escherichia coli metabolite. It is a phosphorus oxoacid and an acyclic phosphorus acid anhydride. It is a conjugate acid of a diphosphate(1-).


