2-Tert-Butylcyclohexyl Ethyl Carbonate

Also known as: Carbonic acid, 2-(1,1-dimethylethyl)cyclohexyl ethyl ester, EINECS 267-184-4, Ethyl 2-tert-butylcyclohexyl carbonate, Ethyl 2-tert-butylcyclohexylcarbonate

INCI: 2-TERT-BUTYLCYCLOHEXYL ETHYL CARBONATE

2-Tert-Butylcyclohexyl Ethyl Carbonate (CAS 67801-64-3) is a cosmetic cosmetic ingredient functioning as Perfuming (fragrance). NOAEL 500 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 67801-64-3 →

Auto-generated CPSR Part A draft with source citations
Function
Perfuming (fragrance)
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C13H24O3
MW
228.33 g/mol
EC Number
267-184-4
PubChem CID
105664
IUPAC Name
(2-tert-butylcyclohexyl) ethyl carbonate
InChIKey
ZHWLEUGSDGROJS-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted — listed on TSCA inventory; no specific FDA cosmetic restriction

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for 2-Tert-Butylcyclohexyl Ethyl Carbonate.

Calculate MoS for your specific formulation with the MoS Calculator.

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for 2-Tert-Butylcyclohexyl Ethyl Carbonate across SCCS product categories, with measured dermal absorption where available.

HRIPT Human Patch Test Studies

1 human repeat insult patch test aggregated from dermatological literature.

Test Type N Sensitized Dose µg/cm² NESIL µg/cm² Potency
HMT - 0 3375 - -

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
10 - 100 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Fragrance
Regulatory List Membership (2)
IFRA Fragrance Transparency List Consumer Product Chemical

Expert Verdict

Expert safety assessment and concern-level summary for 2-Tert-Butylcyclohexyl Ethyl Carbonate.

Regulatory Flags

fragrance-component ifra_fragrance

Known Synonyms

Carbonic acid, 2-(1,1-dimethylethyl)cyclohexyl ethyl ester EINECS 267-184-4 Ethyl 2-tert-butylcyclohexyl carbonate Ethyl 2-tert-butylcyclohexylcarbonate

Chemical Function

Fragrance

Regulatory Lists

IFRA Transparency consumer_product

Australian Status

AICIS status: listed

Frequently Asked Questions

Is 2-Tert-Butylcyclohexyl Ethyl Carbonate safe in cosmetics?

2-Tert-Butylcyclohexyl Ethyl Carbonate has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is 2-Tert-Butylcyclohexyl Ethyl Carbonate allowed in the EU?

2-Tert-Butylcyclohexyl Ethyl Carbonate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does 2-Tert-Butylcyclohexyl Ethyl Carbonate do in cosmetics?

2-Tert-Butylcyclohexyl Ethyl Carbonate functions as: Perfuming (fragrance). It is classified as a cosmetic ingredient in our database. CAS number: 67801-64-3.

Is 2-Tert-Butylcyclohexyl Ethyl Carbonate used outside cosmetics?

2-Tert-Butylcyclohexyl Ethyl Carbonate also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Related Ingredients

2,6-Dimethyl-7-octen-2-ol (Dihydromyrcenol)
Excellent Same category
Fragrance (perfuming), masking
2-Ethoxy-2,6,6-Trimethyl-9-Methylenebicyclo[3.3.1]Nonane (Boisiris™)
Excellent Same category
Fragrance (rich woody, orris/iris roo...
3,6-Dimethyl-3-Octyl Acetate
Excellent Same category
Fragrance / Perfuming agent with flor...
3-Methyl-5-(2,2,3-Trimethyl-3-Cyclopentenyl)Pent-4-En-2-Ol (Sandalore)
Excellent Same category
Perfuming / Fragrance (sandalwood note)
4-Tert-Butylcyclohexyl Acetate
Excellent Same category
Fragrance
Acetoin
Excellent Same category
Skin conditioning, fragrance
(AGARICUS BLAZEI FERMENT + GANODERMA LUCIDUM FERMENT + GANODERMA MULTIPILEUM FERMENT) EXTRACT
Good Similar safety
Anti-sebum, Antioxidant, Skin Protecting
(ANGELICA ACUTILOBA/PAEONIA LACTIFLORA/REHMANNIA GLUTINOSA) ROOT/CNIDIUM OFFICINALE RHIZOME EXTRACT
Good Similar safety
Skin Conditioning, Skin Conditioning ...
(ANGELICA ACUTILOBA/PAEONIA LACTIFLORA/REHMANNIA GLUTINOSA/SCUTELLARIA BAICALENSIS) ROOT/(CNIDIUM OFFICINALE/COPTIS CHINENSIS) RHIZOME/GARDENIA JASMINOIDES FRUIT/PHELLODENDRON CHINENSE BARK EXTRACT
Good Similar safety
(ANGELICA GIGAS/GLYCYRRHIZA URALENSIS/REHMANNIA GLUTINOSA ROOT)/ANGELICA GIGAS STEM/CARTHAMUS TINCTORIUS FLOWER/(CARTHAMUS TINCTORIUS/PRUNUS PERSICA SEED)PORIA COCOS WATER
Good Similar safety
Humectant, Skin Conditioning, Skin Pr...
(ANGELICA KEISKEI/CHRYSANTHEMUM ZAWADSKII) LEAF/STEM/CINNAMOMUM CASSIA BARK/TRICHOSANTES KIRILOWII FRUIT/ULMUS DAVIDIANA BARK/ROOT/(PAEONIA JAPONICA/BUPLEURUM FALCATUM/POLYGALA TENUIFOLIA ROOT)/VISCUS ALBUM STEM EXTRACT
Good Similar safety
Anti-seborrheic, Anti-sebum, Antioxid...
(APPLE/CITRUS JUNOS/LENTIL/PEAR/PUMPKIN/STRAWBERRY/TOMATO FRUIT)/CORN KERNEL/(ARCTIUM LAPPA/BRASSICA OLERACEA ACEPHALA/CABBAGE/CAMELLIA SINENSIS/MORINGA OLEIFERA/RADISH/SPINACH LEAF)/(SORGHUM BICOLOR LEAF/STEM)/OAT MEAL/POTATO PULP/(CARROT/NELUMBO NUCIFERA/RADISH/WILD YAM ROOT)/(AMARANTHUS HYPOCHONDRIACUS/CASHEW/CICER ARIETINUM/COIX LACRYMA-JOBI MA-YUEN /MACADAMIA TERNIFOLIA/PHASEOLUS ANGULARIS/PISTACIA VERA/RHYNCHOSIA NULUBILIS/RICE/SESAME/SETARIA ITALICA/SOYBEAN/SWEET ALMOND/WHEAT SEED)/HORDEUM VULGARE SPROUT/CYPERUS ESCULENTUS TUBER/ARTEMISIA PRINCEPS/BROCCOLI/CHENOPODIUM QUINOA/ENTEROMORPHA COMPRESSA/HORDEUM VULGARE/IPOMOEA BATATAS/LAMINARIA JAPONICA/LENTINUS EDODES/PLEUROTUS OSTREATUS/PORPHYRA TENERA/UNDARIA PINNATIFIDA EXTRACT
Good Similar safety
Antioxidant
2,3,6-Trimethylcyclohexylmethyl Acetate
Good Chemical family
Fragrance (woody, amber-like aroma)
3,6-Dimethyl-3-Cyclohexene-1-Carbaldehyde
Good Chemical family
Fragrance / Perfuming agent with fres...
3-Heptenyl Isobutyrate
Good Chemical family
Perfuming (fragrance)

Is 2-Tert-Butylcyclohexyl Ethyl Carbonate in Your Products?

Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for 2-Tert-Butylcyclohexyl Ethyl Carbonate in your formulation.