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1. Product Overview of Hydrobromic acid 48% aqueous solution CAS 10035-10-6
Hydrobromic Acid, also known as Hydrogen Bromide aqueous solution, is a strong inorganic acid. It is the aqueous solution of hydrogen bromide (HBr). It appears as colourless or pale yellow fuming liquid, possessing stronger reducibility than hydrochloric acid. It is a fundamental bromine-containing raw material, extensively applied in pharmaceutical intermediates, bromide salt synthesis, pesticide manufacturing, fine chemical synthesis and metallurgical etching industries.
2. Basic Chemical Information
Product Name: Hydrobromic Acid
Aliases: Hydrogen Bromide Solution, Hydobromic Acid
CAS No.: 10035-10-6
EINECS No.: 233-113-0
Molecular Formula: \(\boldsymbol{HBr}\)
Molecular Weight: 80.91
Appearance: Colourless to light yellow slightly fuming liquid
Odor: Sharp, irritating pungent odor
Density (48% grade): ~1.49 g/mL (25℃)
Solubility: Miscible completely with water and ethanol
Property: Strong acid, good reducing property; easy to be oxidized by air and turn yellow gradually
3. Core Product Features
Strong mineral acid with excellent reduction capacity, ideal bromination reaction medium
Multiple concentration specifications available: 48%, 50%, 62% for different synthesis processes
Low impurity content, stable quality; industrial grade & high-purity pharmaceutical grade supplied
Fundamental raw material to manufacture inorganic bromides (NaBr, KBr, CaBr₂, LiBr, ZnBr₂ etc.)
Good reaction selectivity for organic bromination, ether cleavage and drug intermediate synthesis
4. Main Applications
Fine Chemical & Organic Synthesis
Brominating agent for organic synthesis, used to produce various organic bromine compounds, flame retardant intermediates.
Inorganic Bromide Production
Starting material for manufacturing sodium bromide, potassium bromide, lithium bromide, zinc bromide and other bromide salts.
Metallurgy & Electroplating
Metal surface etching agent; used for purification of precious metals such as gold and silver.
Other Fields
Catalyst for dye and fragrance synthesis; water treatment auxiliary chemical.
5. Typical Specifications (48% Industrial Grade)
HBr Content: ≥48.0%
Chloride (Cl⁻): ≤0.02%
Sulfate (\(SO_4^{2-}\)): ≤0.005%
Heavy Metals (Pb): ≤10 ppm
Iron (Fe): ≤5 ppm
Color: ≤Yellow No.30
6. Packing & Storage
Packing: 30kg plastic drum; 250kg HDPE plastic drum; IBC 1000L tank container for bulk shipment.
Storage: Store in cool, dry, ventilated warehouse. Keep container tightly sealed. Separated from alkalis, oxidants, ammonia and active metals. Avoid sunlight exposure.Shelf Life: 12 months under proper sealed storage.
7. Safety & Transportation
UN 1788, Class 8 Corrosive Substance, Packing Group II.
⚠️ Corrosive liquid, causes severe burns to skin, eyes and respiratory tract. Avoid vapor inhalation.Do not mix with alkaline materials, strong oxidants during transport and storage.
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