H

Hydrobromic acid

IUPAC: bromane

HBr Acids CAS 10035-10-6
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Quick Reference
Formula / NotationHBr
CAS Number10035-10-6
Molecular Weight80.91
Melting Point-124 °F (NIOSH, 2024)
Boiling Point-88.2 °F at 760 mmHg (USCG, 1999)
Density2.14 at -88.6 °F (USCG, 1999) - Denser than water; will sink
Solubility49 % (NIOSH, 2024)
AppearanceHydrobromic acid, solution appears as a colorless to yellow aqueous solution with a pungent odor. Fumes irritate the eyes and mucous membranes. Corrosive to metals and tissue.
Also Known Asbromane; Hydrogen bromide; 10035-10-6; Bromwasserstoff; Broomwaterstof; Bromowodor; Acido bromidrico; Acide bromhydrique; Hydrogen bromide (HBr); Anhydrous hydrobromic acid
CategoryAcids

What is Hydrobromic acid?

Hydrobromic acid (HBr) is an acid that appears as Hydrobromic acid, solution appears as a colorless to yellow aqueous solution with a pungent odor. Fumes irritate the eyes and mucous membranes. Corrosive to metals and tissue.. It has a molecular weight of 80.91 g/mol. Its IUPAC name is bromane. Boiling point: -88.2 °F at 760 mmHg (USCG, 1999). Melting point: -124 °F (NIOSH, 2024).

Formula & Notation

HBr

IUPAC Name: bromane

Other Names / Synonyms: bromane; Hydrogen bromide; 10035-10-6; Bromwasserstoff; Broomwaterstof; Bromowodor; Acido bromidrico; Acide bromhydrique; Hydrogen bromide (HBr); Anhydrous hydrobromic acid

Properties & Characteristics

Appearance: Hydrobromic acid, solution appears as a colorless to yellow aqueous solution with a pungent odor. Fumes irritate the eyes and mucous membranes. Corrosive to metals and tissue.. Molecular formula: BrH. Molecular weight: 80.91 g/mol. Boiling point: -88.2 °F at 760 mmHg (USCG, 1999). Melting point: -124 °F (NIOSH, 2024). Density: 2.14 at -88.6 °F (USCG, 1999) - Denser than water; will sink. Solubility: 49 % (NIOSH, 2024). Vapor pressure: 20 atm (NIOSH, 2024). LogP: 1.

Physical Data

PropertyValue
Melting Point-124 °F (NIOSH, 2024)
Boiling Point-88.2 °F at 760 mmHg (USCG, 1999)
Density2.14 at -88.6 °F (USCG, 1999) - Denser than water; will sink
Molecular Weight80.91
Solubility49 % (NIOSH, 2024)
AppearanceHydrobromic acid, solution appears as a colorless to yellow aqueous solution with a pungent odor. Fumes irritate the eyes and mucous membranes. Corrosive to metals and tissue.

Uses & Applications

Used in industrial chemical synthesis, fertilizer production, battery electrolytes, metal processing, and laboratory acid-base reactions.

Safety Information

Corrosive. Causes severe burns to skin, eyes, and respiratory tract. Wear appropriate PPE including gloves, goggles, and lab coat. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Hydrobromic acid
Formula HBr
CAS Number 10035-10-6
Molecular Weight 80.91
Category Acids
Synonyms bromane; Hydrogen bromide; 10035-10-6; Bromwasserstoff; Broomwaterstof; Bromowodor; Acido bromidrico; Acide bromhydrique; Hydrogen bromide (HBr); Anhydrous hydrobromic acid

Frequently Asked Questions

Hydrobromic acid (HBr) is an acid that appears as Hydrobromic acid, solution appears as a colorless to yellow aqueous solution with a pungent odor. Fumes irritate the eyes and mucous membranes. Corrosive to metals and tissue.. It has a molecular weight of 80.91 g/mol. Its IUPAC name is bromane. Boiling point: -88.2 °F at 760 mmHg (USCG, 1999). Melting point: -124 °F (NIOSH, 2024).

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.