Zinc Powder

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lab-woman
Posts: 66
Joined: 01 Sep 2010, 11:33
State/Location: NSW

Zinc Powder

Post by lab-woman »

Hi Everyone,

Just wondering....Is Zinc Powder a teacher only chemical? I have looked in CSIS and could only find Zinc Dust (which to me is the same as Zinc Powder).

I realise Zinc Metal, Granules and Foil are all ok for years 7-12, but concerned about the powder???

Thanks
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Whspa
Posts: 345
Joined: 01 Jun 2006, 10:00
State/Location: NSW

Re: Zinc Powder

Post by Whspa »

This is taken from the Risk Assess site.

zinc metal powder (zinc dust, flowers of zinc)

Class: 4.3 PG: II

Teacher

CAS: 7440-66-6 UN: 1436

Potential hazards
Fine powder ignites on heating and forms explosive mixtures with sulfur, bromine and iodine, or if dispersed finely in air; otherwise harmless.
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