Dust entry

Silica, amorphous SiO2 7631-86-9 VV7310000 3000 mg/m3

Transparent to gray, odorless powder. [Note: Amorphous silica is the non-crystalline form of SiO2.] S

Airborne form

dust

The form describes what is suspended in air at the point of exposure. A material can produce more than one form, such as dust during handling and fume during heating.

Health effects

Irrit eyes, pneumoconiosis Breath: Fresh airTarget organs: Eyes, resp sys

Evidence

NIOSH Pocket Guide entry: Silica, amorphous SiO2 7631-86-9 VV7310000 3000 mg/m3. Physical description: Transparent to gray, odorless powder. [Note: Amorphous silica is the non-crystalline form of SiO2.] S

Source: CDC/NIOSH: NIOSH Pocket Guide to Chemical Hazards ↗

Controls

follow the applicable NIOSH REL and OSHA PEL
use exposure monitoring
use engineering and work-practice controls
use appropriate respiratory protection