Label abbreviations descriptions

ETHYLENE CHLOROHYDRIN (2-CHLOROETHANOL)†

Chemical Identification
CAS # 107-07-3
Formula

C₂H₅ClO
Synonyms

2-chloroethanol; 2-chloroethyl alcohol; ethylene chlorhydrin

Physical Properties
Physical description Colorless liquid with a faint, ether-like odor.
Boiling point 262°F Molecular weight 80.5
Freezing point/melting point -90°F Vapor pressure 5 mmHg
Flash point 140°F Vapor density 2.78
Specific gravity 1.2 Ionization potential 10.90 eV
Lower explosive limit (LEL) 4.9% Upper explosive limit (UEL) 15.9%
NFPA health rating 4 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.) 1120
Sampling group
Sampler/Sampling media
Sampling time*
Sampling volume (TWA)*

2-35 L
Sampling flow rate (TWA)*
 

0.01-0.2 L/min
Sampling volume (STEL/Peak/C)*
 

 
Sampling flow rate (STEL/Peak/C)*
 

0.2 L/min
Analytical method instruments
Method reference NIOSH 2513 (fully validated)
Notes
 

Submit as a separate sample.
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
 

Wipe with charcoal pad, seal in glass vial for shipment. [3M 3500]
Bulk Method
 

 

On-Site Screening Techniques
Device Infrared spectrophotometer
Model/Type Miran 1A & 1B
Sampling information
(see manufacturer instructions) 		0.2 ppm@9.3 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
 

5 ppm (16 mg/m³)

 REL-TWA
 

 

 TLV-TWA
 

 

 PEL-TWA
 

 
PEL-STEL
 

 

 REL-STEL
 

 

 TLV-STEL
 

 

 PEL-STEL
 

 
PEL-C
 

 

 REL-C
 

1 ppm (3 mg/m³)

 TLV-C
 

 

 PEL-C
 

1 ppm (3 mg/m³)
Skin notation
 

Y

 Skin notation
 

Y

 Skin notation
 

Y

 Skin notation
 

Y
Notes:
 

See 29 CFR 1910.1000 Table Z-1.

 Notes:
 

 

 Notes:

Visit the ACGIH TLV site for specific data

 Notes:
 

 
Health factors:  See NIH-NLM PubChem. IDLH
Carcinogenic classifications: TLV-A4 Notes:
 

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

 

Additional Resources and Literature References

Last Updated Date : 05/01/2024