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Safety and Health Topics: |
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| tert-Butyl Alcohol |
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General Description
Synonyms: tert-Butanol; 2-Methyl-2-propanol; TBA; Trimethylcarbinol
OSHA IMIS Code Number: 0462
Chemical Abstracts Service (CAS) Registry Number: 75-65-0
NIOSH, Registry of Toxic Effects (RTECS) Identification Number: EO1925000
Department of Transportation Regulation Number (49 CFR 172.101) and Guide: 1120 129
NIOSH Pocket Guide to Chemical Hazards, tert-Butyl Alcohol: chemical description, physical properties, potentially hazardous incompatibilities, and more
Exposure Limits
OSHA Permissible Exposure Limit (PEL) for General Industry: 29 CFR 1910.1000 Z-1 Table -- 100 ppm, 300 mg/m3 TWA
OSHA Permissible Exposure Limit (PEL) for Construction Industry: 29 CFR 1926.55 Appendix A -- 100 ppm, 300 mg/m3 TWA
OSHA Permissible Exposure Limit (PEL) for Maritime: 29 CFR 1915.1000 Table Z-Shipyards -- 100 ppm, 300 mg/m3 TWA
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 100 ppm, 303 mg/m3 TWA - listed under tert-Butanol
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 100 ppm, 300 mg/m3 TWA; 150 ppm, 450 mg/m3 STEL
Health Factors
NIOSH Immediately Dangerous To Life or Health Concentration (IDLH): 1,600 ppm
Potential symptoms: Drowsiness, dizziness, narcosis; headache; eye, skin, nose, throat irritation; dry skin, redness, dermatitis.
Health Effects: : Irritation-Eye, Nose, Throat, Skin---Moderate (HE15); Narcosis (HE8); Explosive, Flammable, Safety (HE18)
Affected organs: Eyes, skin, respiratory system, CNS
Note: Insufficient odor warning when exposure limit is exceeded. Highly flammable, and vapor/air mixtures are explosive.
Date Last Revised: 01/22/2004
Literature Basis:
Monitoring Methods used by OSHA
Laboratory Sampling/Analytical Method:
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sampling media: Charcoal Tube (100/50 mg sections, 20/40 mesh)
analytical solvent: (99:1) Carbon Disulfide/2-Butanol
alternative solvent: (99:1) Carbon Disulfide/Dimethylformamide
maximum volume: 10 Liters maximum flow rate: 0.2 L/min (TWA)
maximum volume: 3 Liters maximum flow rate: 0.2 L/min (STEL)
current analytical method: Gas Chromatography; GC/FID
method reference: NIOSH Manual of Analytical Methods (NIOSH 1400)
method classification: Partially Validated
On-Site Sampling Techniques/Methods:
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device: Detector Tube
manufacturer: Gastec
model/type: 102L
sampling information: 2 strokes
upper measurement limit: 1.2%
detection limit: approximately 0.05%
overall uncertainty: unknown
method reference: on-site air secondary (manufacturer)
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| Revised: 14 June 2004 |
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