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Chemical Sampling Information (CSI)
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General Description

Synonyms: Propyl alcohol; 1-Propanol; Ethyl carbinol

OSHA IMIS Code Number: 2170

Chemical Abstracts Service (CAS) Registry Number: 71-23-8

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: UH8225000

Department of Transportation Regulation Number (49 CFR 172.101) and 2012 Emergency Response Guidebook [4 MB PDF, 392 pages]: 1274 129

NIOSH Pocket Guide to Chemical Hazards - n-Propyl alcohol: Physical description, chemical properties, potentially hazardous incompatibilities, and more


Exposure Limits and Health Effects

Exposure Limit

Limit Values

HE Codes

Health Factors and Target Organs

OSHA Permissible Exposure Limit (PEL) - General Industry
See 29 CFR 1910.1000 Table Z-1

200 ppm
(500 mg/m3) TWA

HE8

Narcosis
HE16 Mild eye, nose, and throat irritation

OSHA PEL - Construction Industry
See 29 CFR 1926.55 Appendix A

200 ppm
(500 mg/m3) TWA

HE8

Narcosis

HE16 Mild eye, nose, and throat irritation

OSHA PEL - Shipyard Employment
See 29 CFR 1915.1000 Table Z-Shipyards

200 ppm
(500 mg/m3) TWA

HE8

Narcosis

HE16 Mild eye, nose, and throat irritation

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL)

200 ppm
(500 mg/m3) TWA

250 ppm
(625 mg/m3) STEL

Skin

HE8

Narcosis

HE16 Mild eye, nose, and throat irritation

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV) (2007)

100 ppm
(246 mg/m3) TWA

A4
HE16

Eye and upper respiratory tract irritation

CAL/OSHA PELs

200 ppm
(500 mg/m3) TWA

250 ppm
(625 mg/m3) STEL

Skin

 

 

National Toxicology Program (NTP) carcinogenic classification: Not listed

International Agency for Research on Cancer (IARC): Not listed

U.S. Environmental Protection Agency (EPA) carcinogenic classification: Not listed

EPA Inhalation Reference Concentration (RfC): Not established

Agency for Toxic Substances and Disease Registry (ATSDR) Inhalation Minimal Risk Level (MRL): Not established

NIOSH Immediately Dangerous to Life or Health (IDLH) concentration: 800 ppm

Notes on Other Potential Health Effects and Hazards

  1. Vapor/air mixtures are highly flammable and can be explosive (NIOSH/IPCS 1999).

Date last revised: 09/06/2012

Literature Basis

  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - n-Propanol. 2007.
  • NIOSH: Occupational Health Guideline for Propyl Alcohol. 1978.
  • NIOSH/IPCS: International Chemical Safety Cards - 1-Propanol. 1999.
Monitoring Methods used by OSHA

Laboratory Sampling/Analytical Method:

  • 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 (TWA)
    maximum volume:
    3 Liters
    maximum flow rate: 0.2 L/min (STEL)
    current analytical method: Gas Chromatography; GC/FID
    method reference: NIOSH Analytical Method (NIOSH 1401 [24 KB PDF, 4 pages])
    method classification: Fully Validated
Alternative Sampling/Analytical Method:

  • 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: 3000 ppm
    detection limit: approximately 50 ppm
    overall uncertainty: unknown
    method reference: on-site air secondary (manufacturer)

  • device: Detector Tube
    manufacturer: Gastec
    model/type: 113
    sampling information: 0.5 to 2 strokes
    upper measurement limit: 5%
    detection limit: 0.004%
    overall uncertainty: 25% for 0.04 to 0.5%, 16% for 0.5 to 2.5%
    method reference: on-site air secondary (manufacturer)

  • device: Detector Tube
    manufacturer: Gastec
    model/type: 113L
    sampling information: 1 or 2 strokes
    upper measurement limit: 800 ppm
    detection limit: 5 ppm
    overall uncertainty: 25% for 50 to 200 ppm, 16% for 200 to 800 ppm
    method reference: on-site air secondary (manufacturer)

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