DIETHYL KETONE

Chemical Identification

CAS # 96-22-0
Formula

C₅H₁₀O

Synonyms

DEK; dimethylacetone; ethyl ketone; metacetone; 3-pentanone; propione

Physical Properties

Physical description Colorless liquid with an acetone-like odor.
Boiling point 215°F Molecular weight 86.2
Freezing point/melting point -44°F Vapor pressure 35 mmHg at 77°F
Flash point 55°F (open cup) Vapor density
Specific gravity 0.81 Ionization potential 9.32 eV
Lower explosive limit (LEL) 1.6% Upper explosive limit (UEL) 6.4%
NFPA health rating 1 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.) D707
Sampling group
Sampler/Sampling media ORBO™ 91 Carbosieve® S-III (130/65) [Supelco 20360]
Sampling time*

100 min

Sampling volume (TWA)*

10 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 PV2136 (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 Infrared spectrophotometer
Model/Type Miran 1A & 1B
Sampling information
(see manufacturer instructions)
0.4 ppm@9 µm

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

200 ppm (705 mg/m³)

TLV-TWA

200 ppm [1995]

PEL-TWA

200 ppm (705 mg/m³)

PEL-STEL REL-STEL TLV-STEL

300 ppm [1995]

PEL-STEL

300 ppm (1057 mg/m³)

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

NA

Skin notation

N

Skin notation

N

Skin notation

N

Notes:

Not established

Notes: Notes: Notes:
Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: Not listed Notes:
AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

Last Updated Date : 01/29/2021