Hangzhou TongVo Chemicals Phosphorous acid (Technical grade)

Hangzhou TongVo Chemicals Phosphorous acid (Technical grade) is colorless crystalline, hygroscopic, deliquescent & cautic.

Chemical Name: Phosphorous Acid

CAS Number: 10294-56-1

Grade: Technical Grade

Labeling Claims: High Purity, Odor-free

Synonyms: Dihydroxyphosphine oxide, Phosphonic acid

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Features & Benefits

Labeling Claims

Applications & Uses

Markets
Applications
Applicable Processes
Base Chemicals End Uses
Applications

Phosphorous acid can be used as the raw material of phosphate and phosphonate, reductive agent, nylon whitening agent and anti-oxidant, stablizer for plastics, organo-phosphorus pesticide intermediate and chemical reagent.

Phosphorous acid can also be used as fertilizer additive in agroculture industry.

Properties

Physical Form
Appearance
White crystal
Typical Properties
ValueUnitsTest Method / Conditions
Relative desity at 212 °C1.651%-
Melting Point 73.6°C-
boiling point200-
Assay (H3PO4)min. 98.5 %-
Chloride (Cl)max. 0.002 %-
Sulphate (SO4)max. 0.008%-
Iron (Fe)max. 0.002%-
Arsenic (As)0.002%-
Heavy metal (as Pb)max. 0.005%-
Cadnium (Cd)max. 0.001%-
Phosphate (as P2O5 )max. 0.2 %-
Color (Hazen) at 70% solutionmax. 20--
FTUmax. 1%-
Molecular Weight82--

Regulatory & Compliance

Technical Details & Test Data

Properties

Phosphorous acid is soluble in water and alcohol, slowly oxidized to orthophosphoric acid in air and decomposes to orthophosphoric acid and phosphine if heated to 180°C.

Packaging & Availability

Packaging Type
Packing

35Kgs/drum, 330Kgs/drum, in PP drums or IBCs, or as customer's requirements.

Storage & Handling

Storage & Handling

Keep in cool dry place.

Air transportation: Restricted.

Shelf Life

12 months.