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Chemical Sampling Information (CSI)
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General Description

Synonyms: Isooctanol, Oxooctyl alcohol

OSHA IMIS Code Number: A635

Chemical Abstracts Service (CAS) Registry Number: 26952-21-6

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: NS7700000; 44590

NIOSH Pocket Guide to Chemical Hazards, Isooctyl alcohol

Chemical Description and Physical Properties:
mixture of isomers made by the Oxo process. Clear liquid, + di range 182-195°C; FP 82.2°C
molecular weight: 130.3
molecular formula: C7H15CH2OH
Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 50 ppm, 266 mg/m3 -TWA (Skin)

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 50 ppm TWA (Skin)


Health Factors

Additional Information:

  • Occupational Health Guidelines for Chemical Hazards. US Department of Health and Human Services (DHHS), National Institute for Occupational Safety and Health (NIOSH) Publication No. 81-123, (1981, January). Provides a table of contents of guidelines for many hazardous chemicals. The files provide technical chemical information, including chemical and physical properties, health effects, exposure limits, and recommendations for medical monitoring, personal protective equipment (PPE), and control procedures.
Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • sampling media: Charcoal Tube (100/50 mg sections, 20/40 mesh)
    analytical 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: 2 (OSHA In-House File)
    method classification: Partially Validated

Wipe Sampling Method:

  • sampling media: charcoal pad, seal in glass vial for shipment

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