NOAEL Data REACH Registered Cosmetic Ingredient

1-Chloro-1,1-difluoroethane

Also known as: HCFC-142b, BRN 1731584, Chloroethylidene fluoride, Difluoro-1-chloroethane, EINECS 200-891-8 (+6 more)

CAS 75-68-3

1-Chloro-1,1-difluoroethane (CAS 75-68-3) is a chemical substance. Key regulatory status: REACH registered, 1 regulatory/inventory list, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, ECHA REACH, ILO ICSC, EPA TRI.

View cosmetic safety profile for Hydrochlorofluorocarbon 142b (HCFC-142b) →

SOURCE noael studies public
NOAEL studies
16
SOURCE chemical inventory jurisdictions
Regulatory lists
1
SOURCE eu clp annex vi
GHS signal
Not classified

Chemical Identity

CAS, identifiers, formula, and alternate names for the matched substance record.

SOURCE DSSTox identifiers 17 fields
Name
1-Chloro-1,1-difluoroethane
CAS Number
75-68-3
DTXSID
DTXSID9023960
Molecular Formula
C2H3ClF2
InChI Key
BHNZEZWIUMJCGF-UHFFFAOYSA-N
Monoisotopic Mass
99.989134
Synonyms
HCFC-142bBRN 1731584Chloroethylidene fluorideDifluoro-1-chloroethaneEINECS 200-891-8Fluorocarbon 142bFluorocarbon FC142bGentron 142bIsotron 142bMonochlorodifluoroethaneUNII-FUC3XHA6GY

ICSC Chemical Safety

International Chemical Safety Card hazard and exposure summary.

SOURCE ILO/WHO International Chemical Safety Cards 1 records
FieldValue
Short-term EffectsRapid evaporation of the liquid may cause frostbite. The substance may cause effects on the cardiovascular system.
Routes of ExposureThe substance can be absorbed into the body by inhalation.

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 4 records
Propellants, non-motive (blowing agents)DeodorizerFoamant

Regulatory Lists

Inventory, screening, and regulatory list matches from public chemical databases.

SOURCE EPA CPDat 1 records
ListKeywordSource
inert_ingredient; non_food_use; PesticidesEPACPCat

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 16 of 16 studies
ValueUnitEndpointRouteSpeciesSource
FUC3XHA6GYUNIIFDA UNII substance identifier--openFDA substances
FUC3XHA6GYUNIIFDA UNII substance identifier--openFDA substances
FUC3XHA6GYUNIIFDA UNII substance identifier--openFDA substances
FUC3XHA6GYUNIIFDA UNII substance identifier--openFDA substances
2050mg/LLC50Inhalation-NTP_ICE_acute_inhalation
=254823mg/m3LELinhalationHumanToxValDB_DOE_Protective_Action_Criteria
>38716.6mg/m3NOAECinhalationRatToxValDB_ECHA_IUCLID
>38716.6mg/m3NOAELinhalationRatToxValDB_ECHA_IUCLID
>41100.4mg/m3NOAELinhalationRatToxValDB_ECHA_IUCLID
>82200.8mg/m3NOAELinhalationRatToxValDB_ECHA_IUCLID
=82620mg/m3NOAELinhalationRatToxValDB_IRIS
=14710mg/m3NOAEL (ADJ)inhalationRatToxValDB_IRIS
=14710mg/m^3NOAEL (HEC)inhalation-EPA_IRIS_iris_rfc_systems.csv
=50mg/m3RfCinhalationHumanToxValDB_IRIS
=50mg/m^3RfCinhalation-EPA_IRIS_iris_rfc_systems.csv
=14mg/kg bw/dayRfDoralHumanToxValDB_NJ_DEP

Showing 16 of 16 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA (EU) 1 records
StatusNameEC NumberLink
Registered1-chloro-1,1-difluoroethane200-891-8ECHA overview →

EPA Toxic Release Inventory (TRI)

TRI hazard and reporting flags for the matched chemical.

SOURCE EPA Toxics Release Inventory (TRI) chemical list 1 records
ChemicalCategoryFlags
1-Chloro-1,1-difluoroethane (HCFC-142b)--

Cosmetic Safety Profile

Same-CAS cosmetic ingredient record for cross-vertical context.

SOURCE CosIng / Ingredients DB
EU Status
prohibited
Max
-
Category
Cosmetic Ingredient
View full cosmetic safety profile →

Frequently Asked Questions

What is the NOAEL for 1-Chloro-1,1-difluoroethane?

1-Chloro-1,1-difluoroethane has 16 NOAEL studies in the database. The lowest reported value is FUC3XHA6GY UNII. Source: openFDA substances.

What regulatory lists include 1-Chloro-1,1-difluoroethane?

1-Chloro-1,1-difluoroethane appears on 1 regulatory/inventory list including inert_ingredient; non_food_use; Pesticides. Source: EPA CPDat.

Is 1-Chloro-1,1-difluoroethane used in cosmetics?

Yes, 1-Chloro-1,1-difluoroethane is also indexed as a cosmetic ingredient under the name Hydrochlorofluorocarbon 142b (HCFC-142b). View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.

Where does the safety data for 1-Chloro-1,1-difluoroethane come from?

Safety data is sourced from EPA ToxValDB, EPA CPDat, EPA DSSTox, ECHA REACH, ILO/WHO ICSC, EPA Toxics Release Inventory, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.

Does 1-Chloro-1,1-difluoroethane have different safety status in cosmetics vs industrial chemicals?

1-Chloro-1,1-difluoroethane is prohibited in EU cosmetics but has active industrial GHS classifications (H220, H280, H420, H320, H335, H336, H402, H412).

Is 1-Chloro-1,1-difluoroethane used outside industrial chemicals?

1-Chloro-1,1-difluoroethane also appears in cosmetics databases.