Ammonium hydrogen difluoride
Ammonium hydrogen difluoride (CAS 1341-49-7), molecular formula NH4HF2, is a high-purity chemical supplied by Tech Serve Solutions for salts applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- Ammonium bifluoride,Etching powder

| Molecular weight | 57.04 |
|---|---|
| Linear formula | NH4HF2 |
| Assay | 99.999% trace metals basis |
| Grade | ARVetec™ |
| Melting point | 125 °C(lit.) |


Hazard statements
- H301Toxic if swallowed
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Transport (UN / ADR) | UN 1727 8 / PGII |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | T,C |
| Risk statements (R) | 25-34 |
| Safety statements (S) | 22-26-37-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Ammonium hydrogen difluoride?
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Ammonium hydrogen difluoride (CAS 1341-49-7), molecular formula NH4HF2, is a high-purity chemical supplied by Tech Serve Solutions for salts applications, to USP, BP and EP standards.
What grades of Ammonium hydrogen difluoride does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ammonium hydrogen difluoride in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Ammonium hydrogen difluoride?
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Ammonium hydrogen difluoride has CAS number 1341-49-7 and molecular formula NH4HF2. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Ammonium hydrogen difluoride?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of Ammonium hydrogen difluoride ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Ammonium hydrogen difluoride be stored?
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Store Ammonium hydrogen difluoride in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Ammonium hydrogen difluoride used for?
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Ammonium hydrogen difluoride is used in salts applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Ammonium hydrogen difluoride?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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