Hydrogen bromide manufacturers and suppliers

Hydrogen bromide suppliers

Properties

Melting point:: −87 °C(lit.)

Boiling point:: −67 °C(lit.)

Density: 1.49 g/mL at 25 °C (lit.)

vapor density: 2.8 (vs air)

vapor pressure: 334.7 psi ( 21 °C)

refractive index: n20/D 1.438

Flash point:: 40°C

storage temp.: Store below +30°C.

solubility: soluble

pka: -9(at 25℃)

form: Solution

color: Light yellow, brown

Specific Gravity: 1.49

Odor: Sharp, irritating odor detectable at 2 ppm

PH: 3.01(1 mM solution);2.04(10 mM solution);1.08(100 mM solution)

Water Solubility: soluble

Sensitive: Hygroscopic

Merck: 14,4778

BRN: 3587158

Exposure limits: Ceiling limit 3 ppm (～10 mg/m³) (ACGIH); TLV-TWA 3 ppm (～10 mg/m³) (MSHA and OSHA).

Dielectric constant: 7.0（-85℃）

Stability:: Stable. Incompatible with strong bases, strong oxidizing agents, ammonia, ozone, fluorine, water, metals. Air and light sensitive.

LogP: 0.629 at 25℃

Safety Information

Symbol(GHS): GHS05,GHS07

Signal word: Danger

Hazard statements: H290-H314-H335

Precautionary statements: P280-P303+P361+P353-P305+P351+P338+P310

Hazard Codes: C,Xi

Risk Statements: 35-37-34-10-36/37/38

Safety Statements: 26-45-7/9-36/37/39

RIDADR: UN 3265 8/PG 2

WGK Germany: 1

RTECS: MW3850000

TSCA: Yes

DOT Classification: 2.3, Hazard Zone C (Gas poisonous by inhalation)

HazardClass: 8

PackingGroup: II

HS Code: 28111990

Toxicity: LC50 in mice, rats: 814, 2858 ppm by inhalation, K. C. Back et al., Reclassification of Materials Listed as Transportation Health Hazards (TSA-20-72-3, PB 214-270, 1972)

IDLA: 30 ppm

Use

Hydrobromic acid and hydrogen bromide gas are highly corrosive substances that can cause severe burns upon contact with all body tissues. The aqueous acid and gas are strong eye irritants and lacrimators. Contact of concentrated hydrobromic acid or concentrated HBr vapor with the eyes may cause severe injury, resulting in permanent impairment of vision and possible blindness. Skin contact with the acid or HBr gas can produce severe burns. Ingestion can lead to severe burns of the mouth, throat, and gastrointestinal system and can be fatal. Inhalation of hydrogen bromide gas can cause extreme irritation and injury to the upper respiratory tract and lungs, and exposure to high concentrations may cause death. HBr gas is regarded as having adequate warning properties.Hydrogen bromide has not been found to be carcinogenic or to show reproductive or developmental toxicity in humans.

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