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Hydrogen bromide

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Hydrogen bromide

EINECS 233-113-0
CAS No. 10035-10-6 Density 1.49 g/mL at 25 °C(lit.)
PSA 0.00000 LogP 0.95810
Solubility soluble in water Melting Point -87 °C(lit.)
Formula HBr Boiling Point -67 °C(lit.)
Molecular Weight 80.9119 Flash Point 40 °C
Transport Information UN 3265 8/PG 2 Appearance colourless liquid with a strong irritating odour
Safety 26-45-7/9 Risk Codes 35-37-34-10-36/37/38
Molecular Structure Molecular Structure of 10035-10-6 (Hydrogen bromide) Hazard Symbols CorrosiveC,IrritantXi
Synonyms

Hydrobromic acid;Acide bromhydrique;Acido bromhidrico;Anhydrous hydrobromic acid;Bromowodor;Bromure d'hydrogene anhydre;Bromuro de hidrogeno anhidro;Bromwasserstoff;Hydrogen bromide, anhydrous;

Article Data 1337

Hydrogen bromide Chemical Properties


IUPAC Name: Hydrogen bromide
Molecular Formula: HBr
Molecular Weight: 80.91 g/mol
Canonical SMILES: Br
InChI: InChI=1/BrH/h1H
EINECS: 233-113-0
Classification Code: Ceiling (3 ppm); TWA 3 ppm (10 mg/m3)
Stability: Stable. Incompatible with strong bases, strong oxidizing agents, ammonia, ozone, fluorine, water, metals. Air and light sensitive.
Storage temperature: Refrigerator
Solubility: soluble
Water Solubility: soluble
Sensitive: Hygroscopic
XLogP3-AA: 1
Exact Mass: 79.926163
MonoIsotopic Mass: 79.926163
Heavy Atom Count: 1
Density: 1.49 g/mL at 25 °C(lit.)
Flash Point: 40 °C
Enthalpy of Vaporization: 19.92 kJ/mol
Boiling Point: -67 °C(lit.)
Melting Point: -87 °C(lit.)
Vapor density: 2.8 (vs air)
Vapor pressure: 334.7 psi ( 21 °C)
Vapour Pressure of Hydrogen bromide (CAS NO.10035-10-6): 20200 mmHg at 25 °C

Hydrogen bromide Uses

 Hydrogen bromide (CAS NO.10035-10-6) is mainly used for the production of inorganic bromides, especially the bromides of zinc, calcium, and sodium. It is a useful reagent for generating organobromine compounds.

Hydrogen bromide Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LC50 inhalation 814ppm/1H (814ppm)   National Technical Information Service. Vol. PB214-270,
rat LC50 inhalation 2858ppm/1H (2858ppm)   National Technical Information Service. Vol. PB214-270,
rat LD50 intraperitoneal 76mg/kg (76mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 41(1), Pg. 105, 1976.

Hydrogen bromide Consensus Reports

Reported in EPA TSCA Inventory.

Hydrogen bromide Safety Profile

A poison gas. A corrosive irritant to the eyes, skin, and mucous membranes. Reacts violently with F2, Fe2O3, NH3, O3. When heated to decomposition or in reaction with water or steam it emits toxic and corrosive fumes of Br and HBr.
Hazard Codes: CorrosiveC,IrritantXi
Risk Statements: 35-37-34-10-36/37/38 
R35: Causes severe burns. 
R37: Irritating to respiratory system.
R34: Causes burns. 
R10: Flammable. 
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-45-7/9 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S7/9: Keep container tightly closed and in a well-ventilated place.
WGK Germany: 1
HazardClass: 8
PackingGroup of Hydrogen bromide (CAS NO.10035-10-6): II

Hydrogen bromide Standards and Recommendations

OSHA PEL: CL 3 ppm
ACGIH TLV: CL 3 ppm; (Proposed: CL 2 ppm)
DFG MAK: 2 ppm (6.7 mg/m3)
DOT Classification:  8; Label: Corrosive (UN 1788); DOT Class: 2.3; Label: Poison Gas, Corrosive (UN 1048)

Hydrogen bromide Analytical Methods

For occupational chemical analysis use NIOSH: Acids, Inorganic, 7903.

Hydrogen bromide Specification

  Hydrogen bromide (CAS NO.10035-10-6), its Synonyms are Hydrobromic acid ; Acide bromhydrique ; Acido bromhidrico ;  Anhydrous hydrobromic acid ; Bromowodor ; Bromure d'hydrogene anhydre ; Bromuro de hidrogeno anhidro ; Bromwasserstoff ; Hydrogen bromide, anhydrous . It is colourless liquid with a strong irritating odour.

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