dusts.org
← All dusts

Dust entry

Borax pentahydrate dust

Airborne particulate from pentahydrate sodium borate during occupational handling and 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 irritationdermatitisnosebleedcoughbreathing difficulty

Evidence

The current NIOSH Pocket Guide sets a 1 mg/m³ time-weighted-average REL for pentahydrate sodium borate, describes a white odorless crystalline solid, and reports eye, skin, and upper-respiratory irritation, dermatitis, nosebleed, cough, and breathing difficulty.

Source: html ↗ · saved source
Exposure Limits; Physical Description; Exposure Routes; Symptoms; Target Organs · 1
NIOSH REL TWA 1 mg/m³. Physical Description White, odorless, crystalline solid. Exposure Routes inhalation, ingestion, skin and/or eye contact. Symptoms irritation eyes, skin, upper respiratory system; dermatitis; epistaxis (nosebleed); cough, dyspnea (breathing difficulty). Target Organs Eyes, skin, respiratory system.

NIOSH lists inhalation, ingestion, skin, and eye contact routes for pentahydrate sodium borates and reports eye, skin, and upper-respiratory irritation, dermatitis, nosebleed, cough, and breathing difficulty; target organs are eyes, skin, and respiratory system.

Source: html ↗ · saved source
Symptoms and target organs · 1
Exposure Routes: inhalation, ingestion, skin and/or eye contact. Symptoms: irritation eyes, skin, upper respiratory system; dermatitis; epistaxis (nosebleed); cough, dyspnea (breathing difficulty). Target Organs: Eyes, skin, respiratory system.

Controls