ETHYL ETHER (DIETHYL ETHER)†

Chemical Identification
CAS # 60-29-7
Formula

C₄H₁₀O

Synonyms

diethyl ether; diethyl oxide; ethyl oxide; ether; solvent ether

Physical Properties
Physical description Colorless liquid with a pungent, sweetish odor.
Boiling point 94°F Molecular weight 74.1
Freezing point/melting point -177°F Vapor pressure 440 mmHg
Flash point -49°F Vapor density 2.6
Specific gravity 0.71 Ionization potential 9.53 eV
Lower explosive limit (LEL) 1.9% Upper explosive limit (UEL) 36%
NFPA health rating 1 NFPA fire rating 4
NFPA reactivity rating 1 NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs
Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 1210
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01]
Sampling time*
Sampling volume (TWA)*

0.25-3 L

Sampling flow rate (TWA)*
 

0.01-0.2 L/min

Sampling volume (STEL/Peak/C)*
 

 

Sampling flow rate (STEL/Peak/C)*
 

 

Analytical method instruments GC-FID
Method reference NIOSH 1610 (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
 

400 ppm (1200 mg/m³)

REL-TWA
 

 

TLV-TWA
 

400 ppm [1966]

PEL-TWA
 

400 ppm (1200 mg/m³)

PEL-STEL
 

 

REL-STEL
 

 

TLV-STEL
 

500 ppm [1966]

PEL-STEL
 

500 ppm (1500 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:
 

 

Notes:
 

 

Health factors:  See NIH-NLM PubChem. IDLH
 

1900 ppm

Carcinogenic classifications: Not listed Notes:
 

10% of LEL

AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
 

 

Last Updated Date : 12/28/2020