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Date: Thu, 5 Mar 2009 07:48:12 -0800
Reply-To: kristi-ley kahulugan <kyel78**At_Symbol_Here**YAHOO.COM>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: kristi-ley kahulugan <kyel78**At_Symbol_Here**YAHOO.COM>
Subject: Hydroquinone UN number

--0-214445092-1236268092=:19565




Dear all,
=A0
Does anyone know the current UN# for Hydroquinone CAS# 123-31-9?=A0 
I was informed that below is the older UN#:
=A0
UN Number: 2662 (Class 6.1 Poison P.G. III)
=A0
Some=A0MSDS (revised on 2008) for Hydroquinone 90-100% has a UN/NA: UN3077
=A0and other MSDS made 2007 and below has=A0UN #2662 (Class 6.1 Poison PG I
II).=A0=A0 All other properties are=A0the same (CAS, % purity, properties, 
etc) except for the UN#.
=A0
Please help.
=A0
Thank you,
=A0
Kristi-ley Kahulugan, CPhT
Quality Control Supervisor
Westco Chemicals, Inc      
--0-214445092-1236268092=:19565





Dear all,


 


Does anyone know the current UN# for Hydroquinone CAS# 123-31-9?  


I was informed that below is the older UN#:


 


UN Number: 2662 (Class 6.1 Poison P.G. III)


 


Some MSDS (revised on 2008) for Hydroquinone 90-100% has a UN/NA: UN3077 and other MSDS made 2007 and below has UN #2662 (Class 6.1 Poison PG III).   All other properties are the same (CAS, % purity, properties, etc) except for the UN#.


 


Please help.


 


Thank you,


 


Kristi-ley Kahulugan, CPhT


Quality Control Supervisor


Westco Chemicals, Inc



      
--0-214445092-1236268092=:19565--

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