APPLICATIONS

Semi-conductor

Niacet Anhydrous Hydrogen Chloride
Anhydrous Hydrogen Chloride (HCl) is a colorless, corrosive, toxic, nonflammable gas with a suffocating odor.  Hydrogen Chloride is heavier than air and fumes strongly in moist environments.  It is shipped as a liquefied gas under its own vapor pressure.  Our process imparts few impurities that may impact your process, you benefit from our clean manufacturing systems.

Physical Constants and Technical information

Vapor Pressure (@21.1°C)                                     613psig 

Molecular Weight                                                   36.46   

Specific Gravity , Gas@ 21.1°C, 1atm                  1.27

Liquid Density @ Boiling Point                           74.35lbs/ft³ (1191g/l) 

Density, Gas @ 21.1°C, 1atm                                 0.94 lb/ft³   (1.51 g/l)  

Specific Volume, Gas @ 21.1°C, 1atm                 10.6ft³/lb   (0.662l/g)

Critical Temperature                                           51.4°C 

Critical Pressure                                                   1197.7 psia(82.6 bar)

Toxicity 
      PEL/TLV                                                           5 ppm 
      LC50                                                                  3120 ppm
      IDLH                                                                  100 ppm

CAS# 7647-01-1                                                      Poison Gas

DOT Shipping Labels                                         Corrosive Gas

Applications

In the semiconductor industry, it is used extensively as a cleaning gas in Epitaxial Wafer processes, it can also be used to both etch semiconductor crystals and to purify silicon via trichlorosilane (SiHCl3).

Available Purities
We offer Hydrogen Chloride in the following purities. 

Technical Grade 
99.95%
In Tube Trailers, Ton Containers and Cylinders
Low impurities for technical processes

4N7
99.997%
In Ton Containers and Cylinders
For processes with slightly tighter tolerances for impurities.

5N
99.999%
In Tube Trailers, Ton Containers and Cylinders
For applications with sensitive requirements our very low moisture product works best.

These options will be available for our European customers are being added to the portfolio soon.  Inquire at the time of order.

Available packaging
We offer Hydrogen Chloride in the following package sizes.

Tube Trailers                  21,000lbs/9,545kgs

Ton Containers              600lbs/273kgs                       CGA 330 and DISS 634 manual valves

Cylinders                        60lbs/27kgs                            CGA 330 and DISS 634 manual valves

Additional packages and valves for European customers are being added to the portfolio as well as Pneumatic valve options.  Inquire at the time of order.

Niacet Anhydrous Hydrogen Chloride