Sigma-Aldrich
Phosphorus Pentoxide Reagent Plus® 99% 2.5 kg
- Part Number:
- MIL-214701-25KG
- Lead Time:
- 7-14 days
- Minimum Purchase:
- 1 unit
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- Quantity:
- each
- Size:
- 2.5 kg
- Style:
- chemical
- DOT Rated:
- HazMat Transport Fee Required
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Description
Phosphorus Pentoxide ReagentPlus 99% 2.5 Kg
Synonym: Phosphoric anhydride, Phosphorus(V) oxide
- CAS Number 1314-56-3
- Linear Formula P2O5
- Molecular Weight 141.94
- EC Number 215-236-1
- PubChem Substance ID 24852847
| Grade | ReagentPlus |
| Vapor Density | 4.9 (vs air) |
| Vapor Pressure | 1 mmHg (384°C) |
| Assay | 99% |
| mp | 340°C (lit.) |
| Density | 2.3 g/mL at 25°C (lit.) |
General description
Phosphorus pentoxide is a deliquescent compound prepared by reacting phosphorus with air. It is a commonly used as dehydrating and condensing agent in organic synthesis.
Application
Dehydrating agent used for halogenation with tetrabutylammonium halides.
Process for Producing Halogenated Heteroaryl Compounds
Phosphorus pentachloride has been used for the vacuum distillation of 1-methyl-2-pyrrolidinone (NMP), which was employed as mobile phase in a chromatographic analysis.
It may be used as one of the reaction components in the synthesis of dichlorine heptoxide (Cl2O7) and transition-metal phosphides (Ni2P, Co2P and MoP).[4] P2O5 supported on alumina can be used for the solvent-free and microwave-assisted preparation of 1, 5-benzodiazepine analogs. P2O5/KX (X = Br, I) Reagent system may be used for the transformation of alcohols into the corresponding alkyl iodides and bromides.
Phosphorus pentoxide/methanesulfonic acid (PPMA) may be used as a condensing agent and solvent for the synthesis of:
High molecular weight poly(benzoxazole)s via direct polycondensation of aromatic dicarboxylic acids containing phenyl ether structure with 3,3′-dihydroxybenzidine dihydrochloride.
Aromatic poly(phenylene ether ether ketone)s via direct self-polycondensation of 4-(4′-phenoxyphenoxy)benzoic acids.
1,3-1H-dibenzimidazole-benzene by the reaction of isophthalic acid with 1,2-diaminobenzene.
Safety Information
GHS05
Signal word Danger
Hazard statements H314
Precautionary statements P280-P305 + P351 + P338-P310
Supplemental Hazard Statements Reacts violently with water.
Personal Protective Equipment Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
RIDADR UN 1807 8 / PGII
WGK Germany 1
RTECS TH3945000
Documents
Warnings
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WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and reproductive harm. Prop 65 Warning
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