Part 8 exposure control / personal protection<br>Monitoring method: none<br>Engineering control: ventilation system and equipment. Provide safety shower and eyewash equipment.<br>Respiratory protection: wear a mask approved by the management department.<br>Eye protection: wear chemical safety glasses.<br>Body protection: wear general protective clothing.<br>Other protection: smoking, eating and drinking are strictly prohibited at the work site. After work, bathe and change clothes.<br>Part 9 physical and chemical properties<br>Appearance and character: black powder, odorless.<br>PH value: 10.5-12.0.<br>Melting point (.. ·C) : no information.<br>Boiling point (. ·C) : no information.<br>Flash point (. ·C) : no information.<br>Apparent density: ≥ 0.7g/cm3.<br>Solubility: soluble in strong acid, insoluble in water.<br>
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