Phosphorous Acid Supplier in Malaysia
Phosphorous acid supplier enquiries in Malaysia cover an inorganic phosphorus oxyacid used as a reducing agent and chemical intermediate. It is a different product from phosphoric acid, with distinct reaction chemistry and different downstream phosphite and phosphonate derivatives.
Commercial requirements may call for crystalline phosphorous acid for dissolution or reaction, an aqueous solution for direct dosing, or a controlled-impurity synthesis grade. Buyers commonly specify assay or solution concentration, related-acid content, chloride, iron, colour and clarity.
Phosphorous acid is used in phosphorus-chemical manufacture and as an intermediate for scale-control, cleaning, lubricant-additive and polymer stabiliser chemistry. The page covers the acid raw material, not finished phosphonate treatments, phosphate products or formulated stabiliser packages.
Send the required form, concentration or assay, impurity limits, application, quantity and delivery location with your enquiry. Availability, packing, documentation and delivery timing are confirmed with the quotation.
- CAS number
- 10294-56-1
- Grade
- crystalline solid, aqueous solution, controlled-impurity synthesis grade
- Appearance
- colourless to white crystalline solid or clear aqueous solution according to grade
Phosphorous Acid grades and forms
We supply several forms to suit different formulating and dosing setups. If you need a size that is not listed, ask us.
| Grade | Form | Assay | Typical use | Packing |
|---|---|---|---|---|
| Crystalline phosphorous acid | colourless to white crystalline solid | — | Chemical synthesis and batch processing where the buyer dissolves or reacts the solid and specifies assay and impurity limits. | Confirm the required pack format with the quotation. |
| Phosphorous acid aqueous solution | clear aqueous liquid | — | Direct liquid dosing in chemical manufacture, scale-control chemistry and cleaning formulations that specify a solution concentration. | Confirm the required concentration and pack format with the quotation. |
| Controlled-impurity synthesis grade | crystalline solid or aqueous solution according to requirement | — | Phosphite, phosphonate, stabiliser and other phosphorus-chemical production that defines limits for related acids, metals, colour and insoluble matter. | Confirm the required pack format with the quotation. |
How to buy Phosphorous acid from ChemTrade
Request a quote for Phosphorous acid
Use the form below to request a quotation. You can also email sales@chemtrademalaysia.com or send us a message on WhatsApp.
Specifications
| Parameter | Value | Method |
|---|---|---|
| Chemical identity | inorganic phosphorus oxyacid | — |
| CAS number | 10294-56-1 | — |
| Commercial form | crystalline solid or aqueous solution according to grade | — |
| Functional chemistry | reducing agent and intermediate for phosphite and phosphonate chemistry | — |
| Grade controls | assay or solution concentration, phosphoric acid, chloride, iron, colour, clarity and insoluble matter are confirmed against the required grade | — |
Phosphorous Acid applications
Safety and handling
Keep containers tightly closed in a cool, dry, well-ventilated place. Protect crystalline material from moisture and solutions from contamination, and follow the safety information for the quoted grade.
Common questions about Phosphorous acid
Is phosphorous acid the same as phosphoric acid?
No. They are different phosphorus oxyacids with different oxidation states and chemical behaviour. Phosphorous acid is used for reducing and phosphite or phosphonate chemistry, while phosphoric acid is used in phosphate chemistry and many separate acidification applications. Order by the full name and specification to avoid substitution.
Should I request crystalline phosphorous acid or an aqueous solution?
Crystalline material suits processes that dissolve or react the solid and need flexibility over final concentration. A prepared solution suits direct liquid dosing. State the target assay or solution concentration and the process temperature or handling constraints with the enquiry.
Which specifications matter when buying phosphorous acid?
Common enquiry points include assay or solution concentration, phosphoric acid content, chloride, iron, colour, clarity and insoluble matter. The relevant limits depend on whether the material is used for synthesis, scale-control chemistry, cleaning or stabiliser production.
How is phosphorous acid used in phosphite and phosphonate production?
It provides phosphorus chemistry and reducing behaviour for making selected phosphites, phosphonates and related intermediates. The required grade is set by the reaction route, assay and impurity limits, so share the process specification rather than ordering only by the product name.
Is phosphorous acid a finished water-treatment or polymer stabiliser?
Not necessarily. It is commonly used as an intermediate in scale-control and phosphite-based stabiliser chemistry. If the process needs a finished formulated treatment or stabiliser package, identify that separately so it is not confused with the acid raw material.
What packing and documents can be requested for phosphorous acid?
Send the required solid or solution form, preferred pack format and product document requirements with the enquiry. Available packing, documentation and commercial details are confirmed for the quoted grade.
What is needed for a phosphorous acid price enquiry in Malaysia?
Send the form, assay or concentration, impurity limits, application, quantity and delivery location. Include packing and document preferences so the quotation can cover the complete requirement and state its validity period.