Availability
Hypophosphorous Acid is supplied as a 50 % aqueous solution. Current availability, quantity and lead time are confirmed during quotation.
Specialty chemical supply for industrial buyers
Hypophosphorous Acid 50 %
Industrial 50 % aqueous solution with TDS, SDS and batch-specific CoA for qualified professional and industrial procurement.
2M-SOLUTION supplies Hypophosphorous Acid 50 % aqueous solution, CAS No. 6303-21-5, also identified as phosphinic acid. The molecular formula is H₃PO₂ and the documented molecular weight is 66.00 g/mol.
- CAS 6303-21-5
- 50 % aqueous solution
- H₃PO₂
- Drums & IBC
- UN 3264
Product
50 % aqueous solution
Packaging
Drums and IBC
Quick answer
Where can I buy Hypophosphorous Acid 50 % in Germany or Europe?
2M-SOLUTION GmbH supplies Hypophosphorous Acid 50 % aqueous solution, CAS No. 6303-21-5, for qualified professional and industrial customers. The product is documented for supply in drums and IBCs. TDS, SDS and a batch-specific Certificate of Analysis are available for technical and procurement review.
Supply overview
Clear information for industrial procurement
Product identity, concentration, packaging, documentation and dangerous-goods information for professional procurement.
Packaging
The Technical Data Sheet documents drums and IBCs. Current pack size and order quantity are confirmed with the quotation.
Documentation
Technical Data Sheet, Safety Data Sheet and batch-specific Certificate of Analysis are available as PDF documents.
International Delivery
Transport information includes UN 3264, hazard class 8 and packing group II. Shipment conditions must follow the current SDS and applicable dangerous-goods regulations.
Product information
Hypophosphorous Acid 50 % Product Information
Hypophosphorous Acid 50 % is a clear, colourless aqueous solution used as a reducing agent and chemical synthesis intermediate.
Product name: Hypophosphorous Acid 50 % aqueous solution
Chemical name: Hypophosphorous acid
Synonym: Phosphinic acid
CAS No.: 6303-21-5
EC / EINECS No.: 228-601-5
Molecular formula: H₃PO₂
Molecular weight: 66.00 g/mol
Concentration: 50 % aqueous solution
Appearance: Clear, colourless liquid
TDS assay: min. 49 %
Phosphorous acid: H₃PO₃ max. 0.6 %
Density at 25 °C: 1.20 … 1.26 g/ml
pH at 20 °C: approximately 1
Water miscibility: Miscible
Packaging: Drums, IBC
UN No.: 3264
Transport class: 8
Packing group: II
WGK: 1
Label: GHS05
Documentation: TDS , SDS and CoA
General product specifications are based on the Technical Data Sheet – Hypophosphorous Acid .
Technical use
Industrial Applications
The Technical Data Sheet identifies Hypophosphorous Acid 50 % as a reducing agent and intermediate for selected industrial processes.
Reducing agent
Hypophosphorous Acid 50 % is documented as a chemical reducing agent.
Electroplating
Used in electroplating processes and electroplating baths.
Chemical synthesis
Used as an intermediate for chemical synthesis.
Bleaching & catalyst use
The TDS also lists use as a bleaching agent and, in some cases, as a catalyst.
Application information is based on the Technical Data Sheet .
Industrial packaging
Available Packaging
The Technical Data Sheet documents supply in drums and IBCs. Current pack size and order quantity are confirmed during quotation.
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Drums and IBC
Industrial packaging formats documented in the Technical Data Sheet. Exact pack size and delivery conditions are confirmed with the quotation.
Packaging: drums or IBCVerified documentation
Technical Documentation
Product specifications, safety information and batch-specific analytical data for qualified procurement and technical review.
TDS
Technical Data Sheet
Product identity, applications, assay, density, pH, packaging and transport information.
Open PDF → SDS Safety Data SheetHazard classification, handling, storage, exposure controls and transport information.
Open PDF → CoA Certificate of AnalysisBatch-specific analytical results for batch HPA/25-26/019.
Open PDF →Supplier evidence
Why industrial buyers contact 2M-SOLUTION
Clear product identity, documented industrial packaging, safety information and batch-specific analytical data support qualified procurement decisions.
Defined product identity
CAS No. 6303-21-5, EC No. 228-601-5 and molecular formula H₃PO₂ are documented.
Batch documentation
Batch HPA/25-26/019 documents appearance, specific gravity and assay of 50.42 %.
Defined packaging formats
The Technical Data Sheet documents drums and IBCs for industrial supply.
Supply coordination
Quantity, packaging, destination, required documentation and dangerous-goods delivery conditions can be defined during quotation.
Safety and regulatory
Safety and Regulatory Notice
According to the Safety Data Sheet, Hypophosphorous Acid 50 % is classified as Skin Corrosion Category 1B and carries hazard statement H314: causes severe skin burns and eye damage.
The SDS also identifies H290 for phosphinic acid: may be corrosive to metals. Store in a cool place with the container tightly closed in a dry and well-ventilated area. Strong oxidizing agents and strong bases are listed as incompatible materials.
Handling, storage, transport and disposal must be performed by qualified professional users in accordance with the current SDS and applicable regulations.
Classification, storage and transport information is based on the Safety Data Sheet – Hypophosphorous Acid 50 % .
FAQ
Frequently Asked Questions about Hypophosphorous Acid 50 %
Answers to common procurement, specification, application, documentation, packaging, safety and transport questions.
Where can I buy Hypophosphorous Acid 50 % in Germany or Europe?
2M-SOLUTION GmbH supplies Hypophosphorous Acid 50 % aqueous solution, CAS No. 6303-21-5, for qualified professional and industrial customers.
The Technical Data Sheet documents drums and IBCs. Quantity, destination and delivery conditions are confirmed during quotation.
Use CAS No. 6303-21-5 when requesting Hypophosphorous Acid 50 %.
What is the CAS number of Hypophosphorous Acid?
The CAS number is 6303-21-5. The documentation also lists EC / EINECS No. 228-601-5.
CAS 6303-21-5 identifies Hypophosphorous Acid / phosphinic acid across the supplied technical documents.
What is the chemical formula of Hypophosphorous Acid?
The molecular formula is H₃PO₂.
The Safety Data Sheet and Certificate of Analysis state a molecular weight of 66.00 g/mol.
Hypophosphorous Acid is also identified as phosphinic acid in the supplied documentation.
What concentration is supplied?
The product is supplied as a 50 % aqueous solution.
The Technical Data Sheet specifies an assay of at least 49 %, while batch HPA/25-26/019 has a batch specification of at least 50 % and a measured result of 50.42 %.
General product specification and batch-specific CoA values should be distinguished during technical review.
What is Hypophosphorous Acid 50 % used for?
The Technical Data Sheet identifies use as a reducing agent and as an intermediate for chemical synthesis.
It also lists electroplating and electroplating baths, bleaching applications and, in some cases, catalyst use.
Suitability and process conditions must be evaluated by qualified technical personnel for the intended application.
How is Hypophosphorous Acid 50 % packaged?
The Technical Data Sheet lists drums and IBCs as packaging formats.
Exact pack size, order quantity and current availability should be confirmed during quotation.
Documented packaging formats: drums and IBCs.
Which documents are available for Hypophosphorous Acid 50 %?
A Technical Data Sheet, Safety Data Sheet and batch-specific Certificate of Analysis are available.
Use the TDS for general specifications, the SDS for safety requirements and the CoA for batch-specific analytical values.
Is Hypophosphorous Acid 50 % hazardous?
Yes. The Safety Data Sheet classifies the product as Skin Corrosion Category 1B with hazard statement H314.
H314 states that it causes severe skin burns and eye damage.
The current SDS must be reviewed before purchasing, handling, storing or transporting the product.
How should Hypophosphorous Acid 50 % be stored?
The SDS states that the product should be stored in a cool place with the container tightly closed in a dry and well-ventilated area.
Opened containers must be carefully resealed and kept upright to prevent leakage.
Strong oxidizing agents and strong bases are listed as incompatible materials.
How is Hypophosphorous Acid 50 % classified for transport?
The Safety Data Sheet lists UN 3264 with transport hazard class 8 and packing group II.
The proper shipping name is “Corrosive liquid, acidic, inorganic, n.o.s. (Phosphinic acid)”.
Transport conditions must be checked against the current SDS and applicable dangerous-goods regulations.
What does the current Certificate of Analysis report?
Certificate of Analysis batch HPA/25-26/019 reports a clear colourless liquid, clear clarity at 25 °C, water miscibility and a specific gravity of 1.215.
The measured assay is 50.42 %.
Batch-specific values should be checked against the CoA supplied for the relevant order.
How can I request a quote for Hypophosphorous Acid 50 %?
Include the required quantity, preferred packaging format, delivery country and required documentation.
If relevant, also include the intended application and preferred delivery date.
Complete procurement information allows availability, packaging and delivery conditions to be checked efficiently.
Request Hypophosphorous Acid 50 %
Thank you for your inquiry. 2M-SOLUTION will review the requested quantity, destination and documentation requirements and contact you regarding availability and delivery conditions.
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