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You are here: home  > Water Treatment Chemicals  > Phosphorous Acid CAS 13598-36-2 Orthophosphorus Orthophosphorous acid

Phosphorous Acid CAS 13598-36-2 Orthophosphorus Orthophosphorous acid 

Payment Terms: T/T,L/C,WU 
Place of Origin: Shandong, China (Mainland) 
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Product Detail

Means of Transport: Ocean,Land,Air
Packing: According to customer requi...
Brand Name: MOSINTER
Molecular formula: H3O3P
Molecular weight: 82
Boiling point: 200 °C
Storage condition: 0-6°C
Sensibility: Air Sensitive & Hygroscopic
Production Capacity: 2000 Ton/Year
Delivery Date: Within 7 days
CAS No.: 13598-36-2
Flashing point: 200°C
Melting point: 73 °C
Density: 1.651 g/mL at 25 °C(lit.)
Soluble: SOLUBLE

The most important use of phosphorous acid is the production of phosphonates which are used in water treatment.

Phosphorous Acid (CAS: 13598-36-2)

 

Item

Index

Index

Appearance

White crystalline powder

White crystalline powder

H3PO3 %≥

98.0

99.0

Fe %≤

0.005

0.0012

Cl %≤

0.01

0.01

SO4 %≤

0.006

0.006

PO4 %≤

0.1

0.1

Phosphorous acid is the compound described by the formula H3PO3. This acid is diprotic (readily ionizes two protons), not triprotic as might be suggested by this formula. Phosphorous acid is an intermediate in the preparation of other phosphorus compounds.

Uses

In industry and agriculture

The most important use of phosphorous acid is the production of phosphonates which are used in water treatment. Phosphorous acid is also used for preparing phosphite salts, such as potassium phosphite. These salts, as well as aqueous solutions of pure phosphorous acid, have shown effectiveness in controlling a variety of microbial plant diseases, in particular, treatment using either trunk injection or foliar containing phosphorous acid salts is indicated in response to infections by phytophthora and pythium-type plant pathogens (both within class oomycetes, known as water molds), such as dieback/root rot and downy mildew. Anti-microbial products containing salts of phosphorous acid are marketed in Australia as 'Yates Anti-Rot'; and in the United States of America, for example, aluminum salts of the monoethyl ester of phosphorous acid (known generically as 'Fosetyl-Al') are sold under the trade name 'Aliette'. Phosphorous acid and its salts, unlike phosphoric acid, are somewhat toxic and should be handled carefully.


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Company Info

MOSINTER GROUP LIMITED [China (Mainland)]

Offline Showroom in USA

Business Type:Manufacturer, Trading Company
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

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