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Hydrogen bromide

CAS Number
10035-10-6
EC Number
233-113-0
Chemical Formula
BrH
Molecular Weight
80.91 g/mol

Description

Hydrogen bromide ( CAS 10035-10-6 ), commercially supplied as hydrobromic acid in aqueous solution, is an inorganic acid used across pharmaceutical synthesis, food processing, and water treatment. HBr delivers strong acidification and bromide ion activity that drive its utility across multiple industrial sectors. In pharmaceutical manufacturing, hydrobromic acid is used to produce active pharmaceutical ingredient salts. Hydrobromide salts improve the stability and solubility profile of amine-based drug compounds, making them suitable for solid dosage formulation. Water treatment operations use HBr as a bromination precursor. It reacts with oxidants to generate hypobromous acid for microbiological control in cooling towers and process water systems. In food-grade applications, it functions as a pH-regulating agent in controlled processing environments. Catalyst systems in organic synthesis also rely on HBr as a brominating agent for producing intermediates used in agrochemicals and specialty chemicals. Hydrobromic acid is supplied as an aqueous solution. The 48% concentration is the most commercially standard grade. Both technical and reagent-grade specifications are available, with pharmaceutical-grade material produced to USP and Ph. Eur. standards. These quality benchmarks ensure suitability for API salt formation. Packaging ranges from drums and IBCs to bulk tanker supply depending on the specific volume requirements of the industrial facility. Contact us for supply of Hydrogen bromide Request Quote

Other Names (Synonyms)

HBr | HYDROBROMIC ACID | Acido bromidrico | bromane | Acide bromhydrique | Hydrogen bromide (HBr) | Anhydrous hydrobromic acid | Hydrogen bromide (H2Br2)

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Point-87 °C
Boiling Point-67 °C
Density1.8 g/cm³
Flash Point40°C
Appearancecolourless liquid with a strong irritating odour
ColorLight yellow, brown
OdorSharp, irritating odor detectable at 2 ppm
FormSolution
Water Solubilitysoluble
Vapor Pressure334.7 psi ( 21 °C)
Refractive Indexn 20/D 1.438
pH3.01(1 mM solution)
2.04(10 mM solution)
1.08(100 mM solution)
Log P0.629 at 25℃

Safety & Handling

Danger
GHS04· Compressed GasGHS05· CorrosiveGHS07· IrritantGHS06· ToxicGHS08· Health Hazard

Hazard Statements

H280
H280
H314
H314
H318
H318
H331
H331
H335
H335
H370
H370
H372H372

Precautionary Statements

P260
P260
P261
P261
P264
P264
P270
P270
P271
P271
P280
P280
P316
P316
P317
P317
P319
P319
P321
P321
P363
P363
P405
P405
P501
P501
P265
P265
P340
P340
P316
P316
P233
P233
P403
P403
P331
P331
P354
P354
P338

Trade & Regulatory

HS Code28111990
UN Number3265
ADR Class8
Packing GroupII
Storage Class8B - Non-combustible corrosive hazardous materials
WGK (Germany)1