Bayville Chemical Supply Company Inc 70-G East Jefryn Boulevard Deer Park, New York, 11729 USA Telephone: 631-586-4309 Fax: 631-254-5591 E-Mail:
Bayville Chemical Supply Company Inc70-G East Jefryn BoulevardDeer Park, New York, 11729  USA           Telephone: 631-586-4309      Fax: 631-254-5591      E-Mail: 



Nitrosyl Chloride Gas


97 - 99% pure



Nitrosyl Chloride gas is a reddish-brown gas with an irritating odor and is very toxic. NOCl is nonflammable. Normally it is shipped as a liquefied gas in nickel or monel cylinders under its vapor pressure of 27 psig (21.1oC). Nitrosyl Chloride is non-explosive but will dissociate into Nitric Oxide and Chlorine with increased temperature. The dissociation is 0.63% at 25oC and 50% at 300oC.



NOCl is used in the diazotization, nitrosation and chlorination of organic compounds. Nitrosyl Chloride is also used as a maturation agent.


Technical Data:



Molecular Weight


Absolute Density (Gas)

2.741 kg/m3 (@101.325 kPa@25oC)

Relative Density (Gas)

2.31 (@101.325 kPa @25oC)

Density (Liquid)

1.417 kg/l (@saturation pressure @ -12oC)

Boiling Point


-5.4oC (@101.325 kPa)


Recommended Cylinder and Valve:

DOT approved Low Pressure Nickel or Monel cylinder with CGA 660 Valve



Where to Find Us:

Bayville Chemical
70 East Jefryn Boulevard
Suite G
Deer Park, NY 11729

Phone: 631 586-4309

What's New

New larger location

As of August 2014, we have moved to this new, larger, modern facility to better service your needs.


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