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Chemical Sampling Information: |
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| Isobutyl Alcohol |
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General Description
Synonyms: Isobutanol; IBA; 2-Methyl-1-propanol; Isopropylcarbinol
OSHA IMIS Code Number: 1536
Chemical Abstracts Service (CAS) Registry Number: 78-83-1
NIOSH, Registry of Toxic Effects (RTECS) Identification Number: NP9625000
Department of Transportation Regulation Number (49 CFR 172.101) and Guide: 1212 129
NIOSH Pocket Guide to Chemical Hazards, Isobutyl 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): 50 ppm, 152 mg/m3 TWA (Listed under Isobutanol)
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 50 ppm, 150 mg/m3 TWA
Health Factors
NIOSH Immediately Dangerous To Life or Health Concentration (IDLH): 1,600 ppm
Potential symptoms: Eye, throat irritation; headaches; dizziness; drowsiness; eye redness, pain, blurred vision; skin irritation, cracking, dermatitis; in animals: narcosis; INGES ACUTE: nausea, vomiting, diarrhea.
Health Effects: Irritation-Eye, Nose, Throat, Skin---Moderate (HE15).
Affected organs: Eyes, skin, respiratory system, CNS
Notes: 1) Above 28°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: 02/04/2004
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
alternative solvent: (95:5) Methylene Chloride:Methanol
maximum volume: 10 Liters maximum flow rate: 0.2 L/min
current analytical method: Gas Chromatography; GC/FID
method reference: NIOSH Analytical Method (NIOSH 1401)
method classification: Fully Validated
On-Site Sampling Techniques/Methods:
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device: Detector Tube
manufacturer: Gastec
model/type: 116
sampling information: 2 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: 8014-208U
sampling information: 3 strokes
upper measurement limit: 100 ppm
detection limit: approximately 2 ppm
overall uncertainty: unknown
method reference: on-site air secondary (manufacturer)
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