Hydrobromic acid
Hydrobromic acid (CAS 10035-10-6), with the chemical formula HBr, is a strong, colourless acid. Supplied as a 48% aqueous solution, it is a key reagent in inorganic synthesis and as a solvent. Its high purity makes it suitable for analytical applications and general laboratory use where precise chemical reactions are required. TSS provides this essential acid for various industrial and research needs.

Chemical Synthesis
Hydrobromic acid is a vital reagent in organic and inorganic synthesis. It is used to introduce bromide ions into organic molecules, facilitating the formation of alkyl bromides, which are precursors to many other organic compounds.
Analytical Reagents
As a strong acid with defined purity, hydrobromic acid serves as an analytical reagent in various titration and sample preparation procedures. Its consistency is crucial for reliable laboratory analysis.
Acids & Bases Applications
It functions as a strong acid in acid-base reactions and as a pH adjusting agent in chemical processes. Its corrosive nature necessitates careful handling in controlled environments.
Laboratory Use
Hydrobromic acid is employed in research and development laboratories for a range of chemical investigations and preparations. Its specific concentration and purity are key for reproducible experimental outcomes.
| Molecular weight | 80.91 |
|---|---|
| Empirical formula | HBr |
| Assay | ≥48% (T) |
| Grade | puriss. p.a. |
| Boiling point | −67 °C(lit.) |
| Density | 1.49 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.438 |
| Melting point | −87 °C(lit.) |
| Vapour pressure | 320 psi (21.1 °C)8 mmHg (25 °C) |
| Vapour density | 2.8 (vs air) |
| Impurities tested | ≤20 mg/kg total iodine |


Hazard statements
- H314Causes severe skin burns and eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 1788 8 / PGII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34-37 |
| Safety statements (S) | 7/9-26-45 |
| Anion traces | chloride (Cl-): ≤200 mg/kgsulfate, sulfite (as SO42-): ≤30 mg/kg |
| Ignition residue | ≤0.002% (as SO4) |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Description | 48% aqueous HBr |
|---|---|
| Quality | dist. |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets 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 Hydrobromic acid (CAS 10035-10-6) used for?
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Hydrobromic acid (CAS 10035-10-6) is primarily used in chemical synthesis for introducing bromide ions, as an analytical reagent, and in general laboratory applications requiring a strong acid.
What is the CAS number and chemical formula for Hydrobromic acid?
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The CAS number for Hydrobromic acid is 10035-10-6, and its chemical formula is HBr.
What grade and purity does Tech Serve Solutions supply for Hydrobromic acid?
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Tech Serve Solutions supplies Hydrobromic acid with a 'puriss. p.a.' grade and an assay of ≥48% (T), suitable for demanding laboratory and analytical uses. It is not supplied as USP, BP, or EP grade unless explicitly stated.
How should Hydrobromic acid be handled safely?
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Hydrobromic acid is a corrosive substance that causes severe skin burns and eye damage, and may cause respiratory irritation. Handle with appropriate personal protective equipment including gloves, eye protection, and respiratory protection in a well-ventilated area. Refer to the safety data sheet for detailed information.
How is Hydrobromic acid shipped and exported by TSS?
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Hydrobromic acid is classified under UN 1788, Hazard Class 8, Packing Group II, and is shipped and exported by TSS in compliance with all relevant transportation regulations for hazardous materials.
How can I request a quote or sample for Hydrobromic acid?
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To request a quote or sample for Hydrobromic acid, please contact our sales team through the website or by calling our customer service line.
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