NOAEL Data IARC Group 2B Prop 65 REACH Registered Cosmetic Ingredient

Myrcene

Also known as: beta-Myrcene, 1,6-Octadiene, 7-methyl-3-methylene-, 4-01-00-01108, BRN 1719990, EINECS 204-622-5 (+13 more)

CAS 123-35-3

Myrcene (CAS 123-35-3) is a chemical substance; key hazard signal: IARC Group 2B. Key regulatory status: California Proposition 65, REACH registered, 15 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, IARC, ECHA REACH, CA Prop 65.

View cosmetic safety profile for MYRCENE →

SOURCE NOAEL studies
NOAEL studies
34
SOURCE Chemical inventory jurisdictions
Regulatory lists
15
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 23 fields
Name
Myrcene
CAS Number
123-35-3
Molecular Formula
C10H16
InChI Key
UAHWPYUMFXYFJY-UHFFFAOYSA-N
Monoisotopic Mass
136.125201
Synonyms
beta-Myrcene1,6-Octadiene, 7-methyl-3-methylene-4-01-00-01108BRN 1719990EINECS 204-622-5FEMA No. 2762UNII-3M39CZS25B3-Methylene-7-methyl-1, 6-octadiene7-Methyl-3-methylene-1,6-octadiene (beta -myrcene)7-Methyl-3-methylene-1,6-octadiene (myrcene)7-Methyl-3-methylene-octa-1,6-diene7-Methyl-3-methyleneoctadiene-(1,6)

IARC Carcinogen Classification

Carcinogenic hazard classification from IARC monograph evaluations.

SOURCE IARC Monographs on the Identification of Carcinogenic Hazards to Humans 1 records
GroupMeaningEvaluatedVolume
Group 2BPossibly carcinogenic2017119

California Proposition 65

California OEHHA listing status and toxicity category.

SOURCE California OEHHA Proposition 65 List 1 records
ChemicalToxicity TypeCancerDevelopmentalListed
-cancerYesNo-

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 32 records
FragranceFlavouring and nutrient

Regulatory Lists

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

SOURCE EPA CPDat 15 records
ListKeywordSource
Cleaning products and household care - air freshener; EuropeDanish Environmental Protection AgencyDanish EPA
air; Cleaning products and household care - air freshener; detected; emissions; EuropeDanish Environmental Protection AgencyDanish EPA
detected; Europe; Personal care - linimentDanish Environmental Protection AgencyDanish EPA
air; detected; emissions; Europe; Vehicle - car interiorDanish Environmental Protection AgencyDanish EPA
Cleaning products and household care - laundry and fabric treatment - laundry stain remover; detected; EuropeDanish Environmental Protection AgencyDanish EPA
detected; Europe; Personal care - sexual wellnessDanish Environmental Protection AgencyDanish EPA
detected; Europe; Personal care - sexual wellnessDanish Environmental Protection AgencyDanish EPA
OEHHA Proposition 65 (3/2019)STATE OF CALIFORNIA ENVIRONMENTAL PROTECTION AGENCYOEHHA Proposition 65 List
Cleaning products and household care - laundry and fabric treatment - laundry stain remover; detected; EuropeDanish Environmental Protection AgencyDanish EPA
Europe; Personal care - linimentDanish Environmental Protection AgencyDanish EPA
food_additive; Substances Added to Food (formerly EAFUS) (2/2019)FDAUnited States Food and Drug Administration (FDA)
OEHHA Proposition 65 (1/2023)California Office of Environmental Health Hazard AssessmentOEHHA Proposition 65 List
air; Cleaning products and household care - air freshener; detected; emissions; EuropeDanish Environmental Protection AgencyDanish EPA
IFRA TransparencyIFRAIFRA
EuropeEuropean CommissionFl@vis

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 34 of 34 studies
ValueUnitEndpointRouteSpeciesSource
=0.5mg/kg bw/dayADI--WHO/JECFA
ABcancerlisting typeCalifornia Proposition 65 listing--California Proposition 65
3M39CZS25BUNIIFDA UNII substance identifier--openFDA substances
2BIARC groupIARC carcinogenicity classification--IARC Monographs
2unitlessIARC group--NTP ICE cancer
0%Incidence of positive responsesDermalHumanNTP ICE skin sensitization
2592ug/cm2Induction dose per skin areaDermalHumanNTP ICE skin sensitization
>5000mg/kg bwLD50oralRatNTP ICE acute oral
=250mg/kg bw/dayLELoralRatToxValDB ToxRefDB
=250mg/kg bw/dayLELoralrat (fischer; Fischer 344)EPA ToxRefDB v3
=250mg/kg bw/dayLOAELoralRatToxValDB HPVIS
=500mg/kg bw/dayLOAELoralMouseToxValDB HPVIS
=500mg/kg bw/dayLOAELoralRatToxValDB ToxRefDB
=500mg/kg bw/dayLOAELoralrat (fischer; Fischer 344)EPA ToxRefDB v3
=1000mg/kg bw/dayLOAELoralMouseToxValDB HPVIS
=1000mg/kg bw/dayLOAELoralMouseToxValDB ToxRefDB
=1000mg/kg bw/dayLOAELoralmouse (b6c3f1; B6C3F1)EPA ToxRefDB v3
=1200mg/kg bw/dayLOAELoralRatToxValDB HPVIS
0unitlessModel Score--NTP ICE endocrine
>0mg/kg bw/dayNELoralrat (fischer; Fischer 344)EPA ToxRefDB v3
=44mg/kg bw/dayNOAELoralRatEFSA
=44mg/kg bw/dayNOAELoral: feedRatEFSA
=250mg/kg bw/dayNOAELoralMouseToxValDB HPVIS
=300mg/kg bw/dayNOAELoralRatToxValDB HPVIS
500mg/kg bw/dayNOAELoralratCOSMOS DB
=500mg/kg bw/dayNOAELoralRatToxValDB HPVIS
=500mg/kg bw/dayNOAELoralMouseToxValDB ToxRefDB
=500mg/kg bw/dayNOAELoralmouse (b6c3f1; B6C3F1)EPA ToxRefDB v3
1200mg/kg bw/dayNOAELoralratCOSMOS DB
1500mg/kg bw/dayNOAELoralmouseCOSMOS DB
250mg/kg bw/dayPOLY-3 lowest doseGavageMouseNTP ICE cancer
3unitlessRelative reliability scoreDermalHumanNTP ICE skin sensitization
=0.2mg/kg bw/dayTDIoral-WHO/JECFA
1000mg/kgTop doseGavageMouseNTP ICE cancer

Showing 34 of 34 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA 1 records
StatusNameEC NumberLink
Registered7-methyl-3-methyleneocta-1,6-diene204-622-5ECHA overview →

Australian Status (AICIS)

Australian industrial chemicals inventory status and applicable conditions.

SOURCE AICIS inventory 1 records
Inventory Status
listed

Cosmetic Safety Profile

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

SOURCE CosIng / Ingredients DB
EU Status
permitted
Max
-
Category
Fragrance
View full cosmetic safety profile →

Pharmaceutical Data

Same-CAS pharmaceutical records from drug and bioactivity sources.

SOURCE ChEMBL / DailyMed MYRCENE
ChEMBL Phase
1
Adverse Events
0
Bioactivity
2
View full pharmaceutical profile →

Food Safety Data

Same-CAS food additive, ADI, and GRAS records where available.

SOURCE EFSA 1 records

1 food-safety record found.

View full food safety profile →

Cannabis Data

Same-CAS cannabis compliance and lab records where available.

SOURCE Cannabis regulatory / lab data efsa substances

1 cannabis record found in efsa substances.

View full cannabis profile →

Frequently Asked Questions

What is the NOAEL for Myrcene?

Myrcene has 34 NOAEL studies in the database. The lowest reported value is 0.5 mg/kg bw/day. Source: WHO/JECFA.

What regulatory lists include Myrcene?

Myrcene appears on 12 regulatory/inventory lists including Cleaning products and household care - air freshener; Europe, air; Cleaning products and household care - air freshener; detected; emissions; Europe, detected; Europe; Personal care - liniment, and 9 more. Source: EPA CPDat.

Is Myrcene a carcinogen according to IARC?

Myrcene is classified by IARC as Group 2B — possibly carcinogenic to humans (evaluated 2017). Source: IARC Monographs on the Identification of Carcinogenic Hazards to Humans.

Is Myrcene on the California Proposition 65 list?

Yes, Myrcene is listed under California Proposition 65 for cancer. Source: California OEHHA Proposition 65.

Is Myrcene used in cosmetics?

Yes, Myrcene is also indexed as a cosmetic ingredient under the name MYRCENE. 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 Myrcene come from?

Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, IARC Monographs, ECHA REACH, California Proposition 65, CosIng / Ingredients DB, ChEMBL / DailyMed, EFSA / FDA GRAS, cannabis regulatory/lab databases. All data traces to primary regulatory sources and is updated from official government databases.

Does Myrcene have different safety status in cosmetics vs industrial chemicals?

Myrcene is classified GHS Danger (H226, H304, H315, H319, H400, H412, H351, H361) in the chemicals database but is allowed in EU cosmetics.

Is Myrcene used outside industrial chemicals?

Myrcene also appears in cosmetics, pharmaceutical, food safety, cannabis databases.