From: Richard Knoppow (dickburk@ix.netcom.com)
Date: 01/09/02-04:41:02 AM Z
At 09:37 AM 01/09/2002 +0200, you wrote:
>> Chrome alum is a valance 6 chrome compound all of which are carcinogens.
>> I think formaldehyde is also but check the MSDS for details.
>> BTW, a very good source of MSDS is http://hazard.com which also answers
>> to http://www.siri.org.
>> ----
>> Richard Knoppow
>> Los Angeles, CA, USA
>> dickburk@ix.netcom.com
>>
>
>Sorry, chrome alum is a Cr (III) compound.
>About the different behaviour of chromium compound on the human health see:
>http://www.mindfully.org/Pesticide/Hexavalent-Chromium-Health-Hazards.htm
>http://ntp-server.niehs.nih.gov/htdocs/Chem_Background/ExSumPdf/HexavalentC
hromium.pdf
>
>Alberto
>
I think I must have confused it with dichromate, which is a carcinogen.
You are right about chrome alum. Class III chrome compounds are much less
toxic than Class VI.
---- Richard Knoppow Los Angeles, CA, USA dickburk@ix.netcom.com
This archive was generated by hypermail 2b30 : 02/15/02-11:47:41 AM Z CST