Phosphorus pentoxide Price — China Factory EXW 2026

Phosphorus pentoxide price Spec: China national standards

China EXW, VAT excluded

Newest China EXW USD 689 / MT · VAT excluded -155.2478 (-18.00%) as of 20210323

Newest Price 689

Price Date 20210323

Day's Change -155.25

Day's Range 689 - 533.75

Month's Change -85.02

Month's Range 689 - 603.98

Year's Change -793.3

Year's Range 689 - 1,482.3

One nuance: coated red phosphorus is gaining share in engineering plastics because it offers better thermal stability and lower dust hazards than uncoated grades. But end-users sti...

Also known as 1,3-dioxodiphosphoxane-1,3-diium-1,3-diolate, diphosphorus pentaoxide, P2O5, Phosphoric anhydride

Opinions

What role does phosphorus pentoxide play in flame retardant and fine chemical markets?

One nuance: coated red phosphorus is gaining share in engineering plastics because it offers better thermal stability and lower dust hazards than uncoated grades. But end-users still face trade-offs—phosphorus-based systems can affect color and electrical properties, so substitution decisions are not purely price-driven. Keep an eye on electronics OEM specifications.

How is the phosphorus pentoxide supply-demand balance shifting amid China's phosphorus chemical capacity expansion?

Watch the logistics angle too. Phosphorus pentoxide is a Class 8 dangerous good (UN1807), highly hygroscopic, requiring sealed steel drums and dry storage below 75% humidity. Export costs and port handling constraints add a 5-10% premium to delivered prices, which buyers often overlook when comparing domestic versus import offers.

Phosphorus pentoxide price context

What drives Phosphorus pentoxide prices

What role does phosphorus pentoxide play in flame retardant and fine chemical markets?: One nuance: coated red phosphorus is gaining share in engineering plastics because it offers better thermal stability and lower dust hazards than uncoated grade...

How is the phosphorus pentoxide supply-demand balance shifting amid China's phosphorus chemical capacity expansion?: Watch the logistics angle too. Phosphorus pentoxide is a Class 8 dangerous good (UN1807), highly hygroscopic, requiring sealed steel drums and dry storage below...

How we assess Phosphorus pentoxide price

China factory / mainstream market EXW quotes (VAT excluded where shown) - not a single global public index

Regional and specification detail so buyers can compare like-for-like grades

Landed cost figures from our calculator are planning estimates, not a customs ruling

Overview

Phosphorus pentoxide (P2O5, CAS 1314-56-3) is a white, corrosive, deliquescent crystalline powder with a melting point of 340 °C and a boiling point of 122 °C at 1 mmHg. It is a powerful dehydrating agent and acid anhydride, widely used in chemical synthesis and industrial applications.

Industrial: primary raw material for producing phosphoric acid, phosphate salts, and polyphosphoric acid; also used in the manufacture of flame retardants such as ammonium polyphosphate.
Chemical synthesis: serves as a dehydrating agent for preparing acid anhydrides, including mixed anhydrides, and can be used to produce SO3 and Cl2O7 in laboratory settings.
Pharmaceutical & pigments: acts as an intermediate in drug synthesis and is used to prepare high-purity phosphoric acid for dyes and pigments.

China's production landscape is dominated by fine phosphate producers, with capacity concentrated among phosphorus chemical companies in Sichuan and Yunnan. Domestic supply generally meets demand, with output trends tied to downstream flame retardant and phosphate fertilizer markets.

Key domestic producers:
Chuanlin Chemical – operates a 6,000 t/a phosphorus pentoxide line in Sichuan.
Yunnan Jianglin Group – produces phosphorus pentoxide alongside yellow phosphorus and phosphoric acid.
Fushi Technology – operates a 4,000 t/a phosphorus pentoxide project.

Properties

Name

Phosphorus pentoxide

1,3-dioxodiphosphoxane-1,3-diium-1,3-diolate

diphosphorus pentaoxide

P2O5

Phosphoric anhydride

CAS Number

1314-56-3

EINECS No.

215-236-1

Risk Codes

S22;S26;S45

Safety Description

HS Code

2809100000

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