Phosphorus Pentoxide, Reagent, ACS

Molecular Formula
P2O5
Catalog Number
P1125
Supplier/Brand
Spectrum Chemical
CAS Number
1314-56-3

Phosphorus Pentoxide, Reagent, ACS is the anhydride of phosphoric acid and a powerful dehydrating and desiccant agent. It is used extensively in organic synthesis as a dehydrating agent. As an ACS grade quality reagent, its chemical specifications are the de facto standards for chemicals used in many high-purity applications and typically designate the highest quality chemical available for laboratory use. Spectrum Chemical manufactured Reagent ACS grade products meet the toughest regulatory standards for quality and purity.


Synonyms: Phosphorus (V) Oxide ; Phosphoric Acid Anhydride ; Phosphorus Anhydride

Shipping Information

When shipping via FedEx Air the item will ship priority overnight. A higher hazmat fee will apply.

DOT: UN1807, Phosphorus pentoxide, 8, PG II

Largest individual container shippable via:
UPS/FedEx Ground: 12 kg    UPS Air: 1 kg    FedEx Air: 2.5 kg

Additional UPS-imposed hazardous material charge.
Tariff No. 2809100000

prop65WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Storage Information

MOISTURE SENSITIVE: Keep tightly closed.

Certificates of Analysis

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2023