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Posted By Tyler
All,
We have a problem where one of our suppliers have classified a material as R10 - Flammable whereas another has not (i.e. it is not classified as flammable and as such it does not have the R10 risk phrase)
I am aware of the classification criteria for R10 liquids from the Approved Classification Guidance (CHIP) 5th Edition. When we queried the supplier about the lack of classification they referred to the liquid being unable to support combustion (in accordance with the Guidance).
Note (apologies for teaching yout to suck eggs if you already know this): Flammable liquids have a flash point under 55 degrees Celsius but need not be classified as flammable if it does not support combustion.
The problem we have is this difference of opinion between suppliers.
Obviously the lack of the R10 classification may have implications to our control measures and indeed our insurers requirements when using this material(although we are still mindful of the low flash-point). However, the supplier who still maintains it should be classified as flammable is unwilling to undertake the tests to see if the liquid supports combustion.
What does one do in this situation?
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Posted By Paul Leadbetter
Tyler
Can you find any other opinions on the Web and see what the majority thinks?
Paul
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Posted By Paul Adams
Ascertain whether or not the substance meets the requirements for the risk phrase and then rationalise your suppliers appropriately.
The information on the substance will be out there somewhere, even if you have to take a sample to a lab.
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Posted By gham
what is the material?
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Posted By Chris Packham
Try posting this question on the forum of the Chemical Hazards Communication Society. (CHCS.org) It's the sort of question you see on that forum every day, usually with prompt and definitive answers.
Chris
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Posted By Tyler
Thanks for the advice so far.
To answer some questions:
The material is 20% Industrial Methylated Spirits with 80% water.
The flash point is 38 degrees C. However, one supplier says it does not support combustion whereas the other has completed the flash point test and stopped there.
I will try the CHCS website and see if that enlightens me.
Thanks again.
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Posted By Ken Dickson
Tyler
I came up against a similar problem many years ago. Our principal supplier for a substance included R45 (may cause cancer) on the data sheet, which our occupational hygienist believed to be wrong. A quick phone call to them pointing out that the competition, supplying essentially the same preparation, did not include R45 on their data sheet. We are duty bound to use the safest substance, and would need to discontinue use of them as a supplier. The risk phrase was removed from the data sheet.
I’m not saying it would work all the time, but I now have some responsibility for preparing data sheets, and we tend towards caution also.
Ken
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