Dust entry

Selenium-doped bismuth telluride dust

Airborne particulate from bismuth telluride doped with selenium sulfide in semiconductor and thermoelectric-material processing.

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

eye irritationskin irritationupper respiratory irritationgarlic breathnonfibrotic pulmonary lesions concern

Evidence

The NIOSH Pocket Guide identifies doped bismuth telluride as a gray crystalline solid and lists inhalation, skin, and eye contact routes; it reports eye, skin, and upper-respiratory irritation, garlic breath, and nonfibrotic pulmonary lesions in animals.

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Symptoms and target organs · 1

Exposure Routes: inhalation, skin and/or eye contact. Symptoms: irritation eyes, skin, upper respiratory system; garlic breath; In Animals: pulmonary lesions (nonfibrotic). Target Organs: Eyes, skin, respiratory system.

Controls

enclosed material handling
local exhaust ventilation
exposure monitoring
skin and eye protection
appropriate particulate respiratory protection