1-Chloro-1,1-difluoroethane
CAS No. 75-68-3
 
 

Return to 1-Chloro-1,1-difluoroethane Adverse Effects

ACTIVITY: Solvent, EPA List 2 Inert (Halogenated organic)

Structure:

Adverse Effects:

Bone
Cancer - potential
Endocrine: Thyroid
Lung
Tremors

Environmental Effects:

"Dangerous for the ozone layer"

Regulatory Information
(only comprehensive for the US)
US EPA Registered: Yes.
EPA List 2 Inert 
Other Information
Molecular Formula:

C2-H3-Cl-F2

Manufacturer:  Dow Chemical
Other Names: 1-Chloro-1,1-difluoroethane
Chlorofluorocarbon 142b
Ethane, 1-chloro-1,1-difluoro-
Hydrochlorofluorocarbon 142b
Propellant 142b
1,1-Difluoro-1-chloroethane
BRN 1731584
CFC 142b
Chloroethylidene fluoride
Difluoro-1-chloroethane
EINECS 200-891-8
FC142b
Fluorocarbon 142b
Fluorocarbon FC142b
Freon 142
Freon 142b
Genetron 101
Genetron 142b
Gentron 142B
Gentron 142b
HSDB 2881
Hydrochlorofluorocarbon 142b
Isotron 142b
Monochlorodifluoroethane
R-142b
Of special interest:
PAN BAD ACTOR - Carcinogen
TOXNET profile from Hazardous Substances Data Bank
2000 - Toxic Release Inventory. Brief Summary.
1998 - IRIS - Integrated Risk Information System - US EPA
1998 - 1-chloro-1,1-difluoroethane is identified as:  "Dangerous for the ozone layer." The report, entitled Examples of substances requiring particular attention, was issued by the Swedish National Chemicals Inspectorate in collaboration with the Swedish Environmental Protection Agency and the Swedish National Board of Occupational Safety and Health. NATIONAL CHEMICALS INSPECTORATE. Order No 510 622. Second, revised edition, 1998. See list of the specific Fluorine and organofluorine pesticides cited in the report.


US EPA List of Inerts. This substance is on List 2

Note: US EPA allows so-called "Inert" ingredients to be commonly mixed with the "active" pesticidal ingredient to create a formulated pesticide product. According to EPA, "The term `inert' is not intended to imply nontoxicity; the ingredient may or may not be chemically active." "Inert" ingredients include solvents, emulsifiers, spreaders, and other substances mixed into pesticide products to increase the effectiveness of the active ingredients, make the product easier to apply, or to allow several active ingredients to mix in one solution. Both US EPA and California Department of Pesticide Regulation require pesticide manufacturers to identify inert ingredients in their products but do not disclose this information to the general public because the pesticide industry considers product formulations trade secrets, protected by law and by the US EPA. The US EPA category of Inerts (as of September 2003):

List 1 - Of Toxicological Concern
List 2 - Potentially Toxic / High Priority for Testing
List 3 - Of Unknown Toxicity
List 4A - Generally Regarded as Safe
List 4B - EPA states it has Sufficient Information to Reasonably Conclude that the Current Use Pattern in Pesticide Products will not Adversely Affect Public Health or the Environment
List 4 (all)

See good report: Toxic Secrets": "Inert" Ingredients in Pesticides 1987-1997, published by Northwest Coalition for Alternatives to Pesticides.


US Federal Register
Date Published Docket Identification Number Details
June 21, 2001 RSPA-2000-7702 (HM-215D) Hazardous Materials Regulations for Fluoride/fluorinated substances. Harmonization of international shipment of Dangerous Goods. Final Rule.
June 24, 1998 OPP- 36192 US EPA List 2 Inert; Ingredient in Pesticide Products.
 
Fluoride Action Network | Pesticide Project | 315-379-9200 | pesticides@fluoridealert.org