| http://www.w3.org/ns/prov#value | - Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.Section 9 - Physical and Chemical PropertiesPhysical State: Crystals Appearance: white Odor: odorless pH: 5.0-8.0, 5% Aq. soln.
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