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Safety and Health Topics: |
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| sec-Butyl Alcohol |
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General Description
Synonyms: 2-Butanol; sec-Butanol; Methyl ethyl carbinol; Butylene hydrate; 2-Hydroxybutane
OSHA IMIS Code Number: 0461
Chemical Abstracts Service (CAS) Registry Number: 78-92-2
NIOSH, Registry of Toxic Effects (RTECS) Identification Number: EO1750000
Department of Transportation Regulation Number (49 CFR 172.101) and Guide: 1120 129
NIOSH Pocket Guide to Chemical Hazards, sec-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 -- 150 ppm, 450 mg/m3 TWA
OSHA Permissible Exposure Limit (PEL) for Construction Industry: 29 CFR 1926.55 Appendix A -- 150 ppm, 450 mg/m3 TWA
OSHA Permissible Exposure Limit (PEL) for Maritime: 29 CFR 1915.1000 Table Z-Shipyards -- 150 ppm, 450 mg/m3 TWA
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 100 ppm, 303 mg/m3 TWA - listed under sec-Butanol
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 100 ppm, 305 mg/m3 TWA; 150 ppm, 455 mg/m3 STEL
Health Factors
NIOSH Immediately Dangerous To Life or Health Concentration (IDLH): 2,000 ppm
Potential symptoms: Eye irritation (redness, pain, blurred vision); dry skin, dermatitis; headache; dizziness, drowsiness, narcosis.
Health Effects: Irritation-Eye, Nose, Throat, Skin---Mild (HE16); Narcosis (HE8); Explosive, Flammable, Safety (HE18)
Affected organs: Eyes, skin, respiratory system, CNS
Notes: 1) Above 24°C, explosive vapor/air mixtures may be formed. 2) Listed among FDA's "food additives permitted for direct addition to food for human consumption" (21CFR 172.515)
Date Last Revised: 01/21/2004
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/Isopropanol
alternative solvent: (99:1) Carbon Disulfide/Dimethylformamide
maximum volume: 10 Liters maximum flow rate: 0.2 L/min
current analytical method: Gas Chromatography; GC/FID
method reference: NIOSH Manual of Analytical Methods (NIOSH 1401)
method classification: Fully Validated
On-Site Sampling Techniques/Methods:
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device: Detector Tube
manufacturer: AUER/MSA
model/type: Ethanol-100, MSA P/N 804136, AUER P/N 5086-818
sampling information: follow manufacturer's instructions
upper measurement limit: 5100 ppm
detection limit: approximately 150 ppm
overall uncertainty: unknown
method reference: on-site air secondary (manufacturer)
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device: Detector Tube
manufacturer: Gastec
model/type: 115
sampling information: 3 strokes
upper measurement limit: 150 ppm
detection limit: 1 ppm
overall uncertainty: 25% for 5 to 50 ppm, 16% for 50 to 150 ppm
method reference: on-site air secondary (manufacturer)
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device: Detector Tube
manufacturer: Matheson-Kitagawa
model/type: 8014-189U
sampling information: 2 or 4 strokes
upper measurement limit: 300 ppm
detection limit: approximately 4 ppm
overall uncertainty: unknown
method reference: on-site air secondary (manufacturer)
* All Trademarks are the property of their respective owners.
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| Revised: 14 June 2004 |
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