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Subject: Re: [DCHAS-L] EXTERNAL EMAIL: Re: [DCHAS-L] Nickel Carbonyl
Date: Sunday, August 16, 2020 at 7:25:17 PM
Author: Richard Rosera <richardrosera**At_Symbol_Here**GMAIL.COM> 		Next by Date:
Subject: Re: [DCHAS-L] Nickel Carbonyl
Date: Sun, 16 Aug 2020 18:43:02 -0700
Author: NEAL LANGERMAN

From: James Keating <james.k.keating**At_Symbol_Here**GMAIL.COM>
Subject: Re: [DCHAS-L] Nickel Carbonyl
Date: Sun, 16 Aug 2020 20:07:50 -0400
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Message-ID: CAM1PioNNbDfaEHbRRWtKW2y7bGy8MF8d9fHP-Y_r7sfgcaS=Cw**At_Symbol_Here**mail.gmail.com
In-Reply-To


RE: Tetra nickel carbonyl

"Merely..."very difficult to achieve any other way" does not seem to be enough to justify using Nickel Carnonyl in a process system.

Review of the SDS should reveal the extreme exposure risk associated with this compound..

In addition to toxicity there is the fire and explosion risk as well as the s.g. of the vapor 6 times air.

The hazards inherent in this compound even require careful process controls using steel piping in systems that could possibly generate Nickel Carbonyl resulting from the kinetic and thermodynamic parameters in process systems including certain piping materials containing the flow of chemicals capable combining to create tetra nickel Carbonyl.

The cost of containing this compound and protecting personnel from exposure would, in my opinion, exceed the cost of available alternatives.

Jim Keating





On Sat, Aug 15, 2020, 4:32 PM davivid <davivid**At_Symbol_Here**well.com> wrote:
I have a client in California who is considering using a process that
uses nickel carbonyl. I have made them aware of the extremely toxic
nature of this compound. The only reason they are considering it is that
it solves a problem that would be very difficult to achieve any other
way. My question to the community is this: what, if any, specific
regulations are there regarding the use of this compound?

Thank you

Dave Lane
Principal
Clavis Technology Development

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