ISOPROPYL ACETATE†

Chemical Identification

CAS # 108-21-4
Formula

C₅H₁₀O₂

Synonyms

isopropyl ester of acetic acid; 1-methylethyl ester of acetic acid; 2-propyl acetate

Physical Properties

Physical description Colorless liquid with a fruity odor.
Boiling point 194°F Molecular weight 102.15
Freezing point/melting point -100.1°F Vapor pressure 1 mmHg at -36.9°F, 100 mmHg at 96.3°F, 760 mmHg at 192.2°F
Flash point 36°F Vapor density 3.5
Specific gravity 0.874 Ionization potential 9.95 eV
Lower explosive limit (LEL) 1.8% at 100°F Upper explosive limit (UEL) 8%
NFPA health rating 2 NFPA fire rating 3
NFPA reactivity rating 0 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA

Analyte code (IMIS no.) 1540
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01]
Sampling time*
Sampling volume (TWA)*

0.1-9 L

Sampling flow rate (TWA)*

0.02-0.2 L/min

Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments GC-FID
Method reference NIOSH 1454 (partially validated)
Notes
Special requirements

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method

Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques

Device
Model/Type
Sampling information
(see manufacturer instructions)

Exposure Limits

OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA

250 ppm (950 mg/m³)

REL-TWA TLV-TWA

100 ppm [2017]

PEL-TWA

250 ppm (950 mg/m³)

PEL-STEL REL-STEL TLV-STEL

150 ppm [2017]

PEL-STEL

310 ppm (1185 mg/m³)

PEL-C REL-C TLV-C PEL-C
Skin notation

N

Skin notation

N

Skin notation

N

Skin notation

N

Notes:

See 29 CFR 1910.1000 Table Z-1.

Notes:

See Appendix D - Substances with No Established RELs.

Notes:

as propyl acetate isomers [108-21-4; 109-60-4]

Notes:
Health factors:  See NIH-NLM PubChem. IDLH

1800 ppm

Carcinogenic classifications: Not listed Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

Last Updated Date : 12/31/2020