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Chemical Datasheet

1,1-DICHLORO-1-FLUOROETHANE

Chemical Identifiers

CAS Number UN/NA Number DOT Hazard Label USCG CHRIS Code
  • 1717-00-6   (1,1-DICHLORO-1-FLUOROETHANE)
none data unavailable none
NIOSH Pocket Guide International Chem Safety Card
none
  • 1,1-DICHLORO-1-FLUOROETHANE
NFPA 704
data unavailable
General Description
Colorless liquid at ambient conditions.

Hazards

Reactivity Alerts
none
Air & Water Reactions
No rapid reaction with air. No rapid reaction with water.
Fire Hazard
No information available.
Health Hazard
No information available.
Reactivity Profile
1,1-DICHLORO-1-FLUOROETHANE may be incompatible with strong oxidizing and reducing agents. May be incompatible with some amines, nitrides, azo/diazo compounds, alkali metals, and epoxides. An explosion occurred when an emptied drum of this compound was cut into by a grinder; may be more flammable than once thought.
Belongs to the Following Reactive Group(s)
Potentially Incompatible Absorbents

No information available.

Response Recommendations

Isolation and Evacuation
No information available.
Firefighting
No information available.
Non-Fire Response
No information available.
Protective Clothing
No information available.
DuPont Tychem® Suit Fabrics
No information available.
First Aid
No information available.

Physical Properties

Chemical Formula:
  • C2H3FCl2
Flash Point: data unavailable
Lower Explosive Limit (LEL): data unavailable
Upper Explosive Limit (UEL): data unavailable
Autoignition Temperature: data unavailable
Melting Point: data unavailable
Vapor Pressure: data unavailable
Vapor Density (Relative to Air): data unavailable
Specific Gravity: data unavailable
Boiling Point: data unavailable
Molecular Weight: 116.95
Water Solubility: data unavailable
Ionization Energy/Potential: data unavailable
IDLH: 1700 ppm [From IDLH Table: 1,1-Dichloro-1-Fluoroethane (HCFC-141b)] (NIOSH, 2023)

AEGLs (Acute Exposure Guideline Levels)

Final AEGLs for HCFC 141b (1717-00-6)
Exposure Period AEGL-1 AEGL-2 AEGL-3
10 minutes 1000 ppm 1700 ppm 3000 ppm
30 minutes 1000 ppm 1700 ppm 3000 ppm
60 minutes 1000 ppm 1700 ppm 3000 ppm
4 hours 1000 ppm 1700 ppm 3000 ppm
8 hours 1000 ppm 1700 ppm 3000 ppm
(NAC/NRC, 2023)

ERPGs (Emergency Response Planning Guidelines)

No ERPG information available.

PACs (Protective Action Criteria)

Chemical PAC-1 PAC-2 PAC-3
HCFC-141b; (Dichloro-1-fluoroethane, 1,1-, Freon 141) (1717-00-6) 1000 ppm 1700 ppm 3000 ppm
(DOE, 2018)

Regulatory Information

EPA Consolidated List of Lists

Regulatory Name CAS Number/
313 Category Code		 EPCRA 302
EHS TPQ		 EPCRA 304
EHS RQ		 CERCLA RQ EPCRA 313
TRI		 RCRA
Code		 CAA 112(r)
RMP TQ
1,1-Dichloro-1-fluoroethane 1717-00-6 313
HCFC-141b 1717-00-6 X

(EPA List of Lists, 2022)

CISA Chemical Facility Anti-Terrorism Standards (CFATS)

No regulatory information available.

OSHA Process Safety Management (PSM) Standard List

No regulatory information available.

Alternate Chemical Names