Dust entry

Bismuth telluride dust

Airborne particulate from undoped bismuth telluride used in semiconductor and thermoelectric materials.

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 bismuth telluride as a gray crystalline solid and lists inhalation, skin, and eye contact routes; it reports irritation of the eyes, skin, and upper respiratory system and garlic breath, with eyes, skin, and respiratory system as target organs.

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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. Target Organs: Eyes, skin, respiratory system.

Controls

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