ACETOPHENONE

Chemical Identification
CAS # 98-86-2
Formula

C₈H₈O

Synonyms

α-acetophenone; acetylbenzene; 1-phenylethanone; phenyl methyl ketone

Physical Properties
Physical description A colorless liquid with a sweet pungent taste and odor resembling the odor of oranges.
Boiling point 395.1°F Molecular weight 120.16
Freezing point/melting point 67.5°F Vapor pressure
Flash point 180°F Vapor density
Specific gravity 1.028 Ionization potential
Lower explosive limit (LEL) 1.1% Upper explosive limit (UEL) 6.7%
NFPA health rating 2 NFPA fire rating 2
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.) A169
Sampling group
Sampler/Sampling media Tenax® GC tube (30/15 mg) [SKC 226-35]
Sampling time*

120 min

Sampling volume (TWA)*

12 L

Sampling flow rate (TWA)*

0.1 L/min

Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments GC-FID
Method reference OSHA PV2003 (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.

Wipe Method
Sampler/Sampling media
Bulk Method
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 REL-TWA TLV-TWA

10 ppm [2008]

PEL-TWA

10 ppm (49 mg/m³)

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

NA

Skin notation

NA

Skin notation

N

Skin notation

N

Notes:

Not established

Notes:

Not established

Notes: Notes:
Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: EPA-D Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Last Updated Date : 12/15/2020