HP Gas

Clean Gas Hydrogen Bromide

Properties and Classification

Appearance: Colorless gas Odor: Irritating
CAS Number: 10035-10-6 UN Number: 1080
Liquefied gas Toxic

* Refer to MSDS for detailed information on the properties and safety of the product.


Purity wt% Min. 99.999
H2+O2 wtppm Max. 1.0
Water wtppm Max. 1.0
CF4 wtppm Max. 2.0
CO wtppm Max. 2.0
CO2 wtppm Max. 2.0
Total heavy metals wtppm Max. 1.0
Particle Not smaller than 0.1 micrometer Max. 60/C.F.
Clean Gas Hydrogen Bromide


Item 10L cylinder 47L cylinder
Size Inside diameter 140mm 232mm
Height (to the neck portion) 850mm 1370mm
Height (with a protective cap) * 990mm 1510mm
Loading weight 5kg, 10kg 50kg
Material Manganese steel (Clean-S-treated)

* Estimated values for when a standard valve is mounted on a standard cylinder. The accuracy of these values is not guaranteed.


Nozzle size Ø22 mm X 14 left-hand threads
Material SUS316

Physical & Chemical Properties

Item Unit Data
Chemical formula HBr
Molecular weight 80.910
Boiling point °C -66.720
°F -89.000
Melting point °C
Liquid density (0°C, saturated liquid) kg/L
Gas density g/L
Specific gravity (air: 1) 2.8 (101.3kPa)
Critical temperature °C 90.050
Critical pressure MPa 8.510
kg/cm2 86.800
Flammability Not applicable
Toxicity Not applicable
Latent heat of vaporization (0°C, 1013MPa) kJ/kg
Maximum permissible concentration (ACGIH) ppm 3.000
Explosive limit (in air, 35°C, 101.3kPa)

Temperature – Vapor Pressure Curve

Clean Gas Hydrogen Bromide