hydrogen bromide

• ChemBase ID: 76437
• Molecular Formular: BrH
• Molecular Mass: 80.91194
• Monoisotopic Mass: 79.92616203
• SMILES: Br
• Canonical SMILES: Br
• InChI: InChI=1S/BrH/h1H
• InChIKey: CPELXLSAUQHCOX-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: hydrogen bromide
• IUPAC Systematic name: Bromane
• IUPAC Traditional name: hydrogen bromide; hydrobromic acid
• Synonyms: Hydrobromic acid, ACS; Hydrobromic acid; Hydrogen bromide; HBr; Hydrogen bromide in acetic acid; Hydrobromic acid; Hydrobromic acid solution; Hydrobromic acid solution; Hydrogen bromide solution; Hydrobromic Acid, anyhydrous; HYDROBROMIC ACID, ACS 49%; Hydrogen bromide; Hydrobromic acid; Hydrogen bromide; Hydrobromic acid 48%; Hydrobromic acid acetic acid solution; 氢溴酸, ACS; 氢溴酸; 溴化氢; 溶于乙酸的溴化氢; 氢溴酸; 氢溴酸 溶液; 氢溴酸 溶液; 溴化氢 溶液

Database IDs

• CAS Number: 10035-10-6
• EC Number: 233-113-0
• MDL Number: MFCD00011323
• Beilstein Number: 3587158
• Merck Index: 144778
• PubChem SID: 24857782; 24867420; 24851259; 24854153; 162041341; 24851252; 24851269; 24856256; 24860624; 24854941; 24860507; 24861724; 24854661
• PubChem CID: 260
• CHEBI ID: 47266
• CHEMBL: 1231461
• Chemspider ID: 255
• KEGG ID: C13645
• MeSH Name: Hydrobromic+Acid
• Wikipedia Title: Hydrobromic_acid; Hydrogen_bromide

CALCULATED PROPERTIES

• Acid pKa: -8.0
• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): 1.0182534
• LogD (pH = 7.4): 1.0182534
• Log P: 0.797834
• Molar Refractivity: 9.3991 cm^3
• Polarizability: 3.849749 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: 221 g/100 mL (0 °C) ; 204 g/100 mL (15 °C) ; 193 g/100 mL (20 °C) 130 g/100 mL (100 °C) in water; aqueous solution in water; soluble in alcohol, organic solvents
• Apperance: Colorless gas; colorless liquid; Liquid
• Melting Point: -11 °C (47–49% w/w aq.); -11°C; -86.9°C; -87 °C; -87 °C(lit.)
• Boiling Point: 122 °C at 700 mmHg (47–49% w/w aq.); 126-128°C; -66.8°C; -67 °C; -67 °C(lit.)
• Flash Point: >149 °F; >65 °C; 123.8 °F; 51 °C; 65°C(149°F); Non-flammable
• Density: 1.311 g/mL at 25 °C; 1.354 g/mL at 25 °C; 1.40; 1.40 g/mL at 20 °C; 1.45 g/mL at 20 °C; 1.48; 1.49 g/cm^3 (48% w/w aq.); 1.49 g/mL at 25 °C(lit.); 1.490; 1.490 g/ml; 3.307 g/dm^3
• Refractive Index: 1.325; n20/D 1.438
• Vapor Pressure: 11.4 mmHg ( 20 °C); 2.308 MPa (at 21 °C); 20 atm at 16.8 °C (pure HBr); 320 psi ( 21.1 °C); 334.7 psi ( 21 °C); 8 mmHg ( 25 °C)
• Vapor Density: 2.71 (20 °C, vs air); 2.8 (air = 1); 2.8 (vs air)
• pKa: ~–9; -9
• pKb: ~23
• Odor: Acrid
• Heat Capacity: 350.7 mJ K^-1 g^-1
• Std enthalpy of formation: -36.45--36.13 kJ mol^-1
• Std molar entropy: 198.696-198.704 J K^-1 mol^-1

Safety Information

• Storage Condition: Room Temperature (15-30°C), Store Under Nitrogen, Protect from light
• Storage Warning: Air Sensitive; Corrosive/Irritant/Air Sensitive/Light Sensitive/Store under Argon
• RTECS: MW3850000
• European Hazard Symbols: Corrosive (C); Irritant (Xi)
• UN Number: 1048; 1788; 2920; 3265; UN1788; UN3265
• German water hazard class: 1
• Hazard Class: 2.3; 8
• Packing Group: 2; 3; II
• Australian Hazchem: 2R
• Risk Statements: 10-34-37; 34-37; 35; 35-37; 36/37/38; R:34-37; R34, R37; R35, R37
• Safety Statements: 26; 26-36/37/39-45; 26-45-7/9; 7/9-23-26-36/37/39-45-60; 7/9-26-45; S:26-45-7/9; S1/2, S7/9, S26, S45
• EU Classification: C9
• EU Hazard Identification Number: 8B
• Emergency Response Guidebook(ERG) Number: 154
• TSCA Listed: 是
• EU Index: 035-002-00-0; 035-002-01-8
• GHS Pictograms: GHS corrosion; GHS exclamation mark; GHS02; GHS04; GHS05; GHS06; GHS07
• GHS Signal Word: DANGER; Danger; Warning
• NFPA704:
  

  0

  3

  0
• GHS Hazard statements: 314, 335; H226-H314-H335; H314-H331-H335; H314-H335; H315-H319; H331-H314-H318-H227
• GHS Precautionary statements: 261, 280, 305+351+338, 310; P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A; P261-P280-P305 + P351 + P338-P310; P280-P305+P351+P338-P309-P310; P305 + P351 + P338
• Personal Protective Equipment: Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US); Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 1048 2.3; UN 1788 8/PG 2; UN 1788 8/PG 3; UN 2920 8/PG 2; UN 3265 8/PG 2

Product Information

• Purity: ≥44%; ≥44% (T); ≥48%; ≥48% (T); ≥60%; ≥62% (T); ≥99%; ≥99.99%; 31.5-34.5% (T); 33% w/w (45% w/v) soln. in acetic acid; 47.0-49.0%; 47.0-49.0% (ACS specification); 48%; 48% w/w aq. soln.; 99.9999% (metals basis), 48% w/w aq. soln.
• Concentration: 2 M HBr (2N); 30 wt. % in propionic acid; 30-32% HBr; 33 wt. % in acetic acid; 45.0-49.0%; 47.0-49.0%; 48 wt. % in H2O
• Grade: ACS; ACS reagent; for ultratrace analysis; JIS special grade; puriss. p.a.; purum p.a.; REAGENT; reagent grade; ReagentPlus®; SAJ first grade; TraceSELECT® Ultra
• Ignition Residue: ≤0.002%; ≤0.002% (as SO4)
• Description: 48% aqueous HBr
• Impurities: ≤0.001% heavy metals (as Pb); ≤0.002% iodine (I); ≤1% water (KFT); ≤20 mg/kg total iodine
• Cation Traces: Ag: ≤0.01 μg/kg; Ag: ≤0.05 mg/kg; Al: ≤0.05 μg/kg; Al: ≤0.1 mg/kg; As: ≤0.01 mg/kg; As: ≤0.5 mg/kg; As: ≤5 μg/kg; Au: ≤0.01 μg/kg; Ba: ≤0.01 μg/kg; Ba: ≤0.1 mg/kg; Be: ≤0.01 μg/kg; Bi: ≤0.01 μg/kg; Bi: ≤0.1 mg/kg; Ca: ≤0.1 μg/kg; Ca: ≤0.5 mg/kg; Ca: ≤10 mg/kg; Cd: ≤0.01 mg/kg; Cd: ≤0.01 μg/kg; Cd: ≤0.5 mg/kg; Cd: ≤5 mg/kg; Ce: ≤0.01 μg/kg; Co: ≤0.01 μg/kg; Co: ≤0.02 mg/kg; Co: ≤5 mg/kg; Cr: ≤0.05 μg/kg; Cr: ≤0.1 mg/kg; Cr: ≤5 mg/kg; Cs: ≤0.01 μg/kg; Cu: ≤0.01 mg/kg; Cu: ≤0.01 μg/kg; Cu: ≤0.5 mg/kg; Cu: ≤5 mg/kg; Dy: ≤0.01 μg/kg; Er: ≤0.01 μg/kg; Eu: ≤0.01 μg/kg; Fe: ≤0.2 mg/kg; Fe: ≤0.2 μg/kg; Fe: ≤1 mg/kg; Fe: ≤1 ppm; Fe: ≤5 mg/kg; Ga: ≤0.01 μg/kg; Gd: ≤0.01 μg/kg; heavy metals (as Pb): ≤5 ppm; Hf: ≤0.01 μg/kg; Hg: ≤1 μg/kg; Ho: ≤0.01 μg/kg; In: ≤0.01 μg/kg; Ir: ≤0.01 μg/kg; K: ≤0.1 μg/kg; K: ≤0.2 mg/kg; K: ≤50 mg/kg; La: ≤0.01 μg/kg; Li: ≤0.01 mg/kg; Li: ≤0.01 μg/kg; Lu: ≤0.01 μg/kg; Mg: ≤0.05 μg/kg; Mg: ≤0.1 mg/kg; Mg: ≤5 mg/kg; Mn: ≤0.01 mg/kg; Mn: ≤0.01 μg/kg; Mn: ≤5 mg/kg; Mo: ≤0.02 mg/kg; Mo: ≤0.1 μg/kg; Na: ≤0.1 μg/kg; Na: ≤5 mg/kg; Na: ≤50 mg/kg; Nb: ≤0.01 μg/kg; Nd: ≤0.01 μg/kg; Ni: ≤0.02 mg/kg; Ni: ≤0.05 μg/kg; Ni: ≤5 mg/kg; Pb: ≤0.01 mg/kg; Pb: ≤0.01 μg/kg; Pb: ≤0.5 mg/kg; Pb: ≤5 mg/kg; Pd: ≤0.01 μg/kg; Pr: ≤0.01 μg/kg; Pt: ≤0.01 μg/kg; Rb: ≤0.01 μg/kg; Re: ≤0.01 μg/kg; Rh: ≤0.01 μg/kg; Ru: ≤0.01 μg/kg; Sc: ≤0.01 μg/kg; Se: ≤0.01 mg/kg; Se: ≤0.01 ppm; Se: ≤1 μg/kg; Sm: ≤0.01 μg/kg; Sn: ≤0.1 μg/kg; Sr: ≤0.01 mg/kg; Sr: ≤0.01 μg/kg; Tb: ≤0.01 μg/kg; Te: ≤0.01 μg/kg; Th: ≤0.01 μg/kg; Ti: ≤0.01 μg/kg; Tl: ≤0.01 μg/kg; Tl: ≤0.05 mg/kg; Tm: ≤0.01 μg/kg; U: ≤0.01 μg/kg; V: ≤0.01 μg/kg; W: ≤0.01 μg/kg; Y: ≤0.01 μg/kg; Yb: ≤0.01 μg/kg; Zn: ≤0.05 μg/kg; Zn: ≤0.1 mg/kg; Zn: ≤0.5 mg/kg; Zn: ≤5 mg/kg; Zr: ≤0.01 μg/kg
• Antion Traces: chloride (Cl-): ≤0.05%; chloride (Cl-): ≤200 mg/kg; iodide (I-): ≤0.003%; phosphate (PO43-): ≤0.001%; phosphate (PO43-): ≤2 mg/kg; SO42- and SO32-: ≤0.003%; sulfate (SO42-): ≤100 mg/kg; sulfate, sulfite (as SO42-): ≤30 mg/kg; sulfate, sulfite (as SO42-): ≤50 mg/kg
• Shelf Life: (limited shelf life)
• Quality: dist.; volumetric
• Factor: 1.00 ±1 R%
• calibrated against: sodium hydroxide
• Linear Formula: HBr
• Empirical Formula (Hill Notation): HBr

DETAILS

MP Biomedicals - 02194053

ACS Reagent Grade
Purity: 47-49%

Sigma Aldrich - 295418

Packaging
454 g in steel cylinder
Recommended products
Monel control valve Z146978 or Monel gas regulator Z562483 is recommended.
Legal Information
ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

Sigma Aldrich - 70046

General description
Visit our Titration Center to learn more.

Sigma Aldrich - 18735

Packaging
1 L in glass bottle
50, 250 mL in glass bottle

Sigma Aldrich - 268003

Packaging
500 mL in glass bottle

Sigma Aldrich - 248630

Packaging
100, 500 mL in Sure/Seal™
2 L in glass bottle
5 mL in ampule
Physical properties
May darken upon storage.

Sigma Aldrich - 339245

Packaging
100, 500 mL in glass bottle

Sigma Aldrich - 35002

General description
Visit our Titration Center to learn more.

Sigma Aldrich - 244260

Other Notes
ACS specifications same as product 438065
Packaging
1 L in glass bottle
100, 500 mL in glass bottle

Sigma Aldrich - 23828

Legal Information
TraceSELECT is a registered trademark of Sigma-Aldrich Co. LLC

Sigma Aldrich - 438065

Packaging
500 mL in PVC coated

Sigma Aldrich - 18710

Other Notes
Reagent for the decomposition of metals, oxides, carbonates and magnetite1,2

REFERENCES

• Preferred reagent for the non-hydrogenolytic cleavage of the N-benzyloxycarbonyl (Cbz, Z) group in peptide synthesis: J. Org. Chem., 17, 1564 (1952). For peptide reagents, see Appendix 6.
• Used in combination with Paraformaldehyde, A11313, or 1,3,5-Trioxane, A15639, for the bromomethylation of aromatics: J. Org. Chem., 58, 1262 (1993); Synlett, 55 (1989). For N-bromomethylation of phthalimide and other imides, see: Synlett, 933 (1994).
• For use in the bromoacetoxylation of (S)-(+)-1,2-Propanediol, B21773, as an example of the conversion of chiral vic-diols to epoxides with retention of configuration, see: J. Chem. Soc., Perkin 1, 1214 (1973); Org. Synth. Coll., 7, 356 (1990).