1314-56-3
Product Name:
Phosphorus pentoxide
Formula:
O5P2
Synonyms:
di-Phosphorus pentoxide;Phosphoric anhydride;Phosphorus pentoxide, 7.7 wt. % in methanesulfonic acid;Phosphorus(V) oxide;Sicapent
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CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Dry Powder; Liquid; Other Solid; Pellets or Large Crystals |
|---|---|
| Color/Form | /There are/ several crystalline & amorphous modifications; commercial form, hexagonal |
| Melting Point | 562 °C |
| Solubility | SOL IN SULFURIC ACID; INSOL IN ACETONE & AMMONIA |
| Density | 2.30 |
| Vapor Pressure | 1 MM HG AT 384 °C (SOLID) |
| Stability/Shelf Life | ABSORBS MOISTURE FROM AIR WITH AVIDITY, FORMING META-, PYRO-, OR ORTHOPHOSPHORIC ACID DEPENDING UPON CONDITION OF ABSORPTION |
| Decomposition | When heated to decomposition it emits toxic fumes of phosphoxides. |
| Corrosivity | Corrosive |
| Heat of Vaporization | 22.7 kcal/mole of P4O10 |
| Other Experimental Properties | Very deliquescent. Readily absorbs moisture from the air. Exothermic hydrolysis by water to form phosphoric acid. The reaction with alcohol is similar. |
| Chemical Classes | Other Classes -> Phosphorus Compounds |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. 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 | 141.94 g/mol |
|---|---|
| XLogP3 | -2.1 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 0 |
| Exact Mass | 141.92209709 g/mol |
| Monoisotopic Mass | 141.92209709 g/mol |
| Topological Polar Surface Area | 77.5 Ų |
| Heavy Atom Count | 7 |
| Formal Charge | 0 |
| Complexity | 124 |
| 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 | No |
PRODUCT INTRODUCTION
description
Diphosphonate(2-) is a divalent inorganic anion obtained by removal of both protons from diphosphonic acid. It is a phosphorus oxoanion and a divalent inorganic anion. It is a conjugate base of a diphosphonate(1-).
RELATED SUPPLIERS
Neofine Chemicals Industries (Lucky Chemical Industries)
1Y
product:1314-56-3 Phosphorus pentoxide 98%