Is Beta-Santalol safe in cosmetics?
Beta-Santalol has a safety rating of "MODERATE" in our database. EU status: restricted. US status: permitted.
Moderate
Cosmetic Ingredient
Beta-Santalol
Also known as: 2-Penten-1-ol, 2-methyl-5-[(1R,2S,4S)-2-methyl-3-methylenebicyclo[2.2.1]hept-2-yl]-, (2Z)-rel, (2Z)-2-Methyl-5-[(1S,2R,4R)-2-methyl-3-methylidenebicyclo[2.2.1]heptan-2-yl]pent-2-en-1-ol, 2-Penten-1-ol, 2-methyl-5-[(1S,2R,4R)-2-methyl-3-methylenebicyclo[2.2.1]hept-2-yl]-, (2Z)-, β-Santalol, 2-Penten-1-ol, 2-methyl-5-(2-methyl-3-methylene-2-norbornyl)- (+6 more)
INCI: BETA-SANTALOL
Beta-Santalol (CAS 77-42-9) is a cosmetic cosmetic ingredient functioning as Fragrance. EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in pharmaceutical data.
View industrial chemical safety profile for CAS 77-42-9 →
Auto-generated CPSR Part A draft with source citations
Function
Fragrance
Safety Rating
MODERATE
Regulatory Status
EU EU Status
restricted
US US Status
permitted
US Notes
Permitted in cosmetics. FEMA GRAS as a flavoring agent (as santalol). California Right-to-Know Act (2020) — reportable as fragrance allergen at ≥10 ppm leave-on / ≥100 ppm rinse-off
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Beta-Santalol.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Flavouring and nutrient
Fragrance
Regulatory List Membership (2)
IFRA Fragrance Transparency List
FDA Substances Added to Food (EAFUS)
Expert Verdict
Expert safety assessment and concern-level summary for Beta-Santalol.
Regulatory Flags
potential-allergen
fragrance-component
ifra_fragrance
fda_food_additive
Known Synonyms
2-Penten-1-ol, 2-methyl-5-[(1R,2S,4S)-2-methyl-3-methylenebicyclo[2.2.1]hept-2-yl]-, (2Z)-rel
(2Z)-2-Methyl-5-[(1S,2R,4R)-2-methyl-3-methylidenebicyclo[2.2.1]heptan-2-yl]pent-2-en-1-ol
2-Penten-1-ol, 2-methyl-5-[(1S,2R,4R)-2-methyl-3-methylenebicyclo[2.2.1]hept-2-yl]-, (2Z)-
β-Santalol
2-Penten-1-ol, 2-methyl-5-(2-methyl-3-methylene-2-norbornyl)-
2-Penten-1-ol, 2-methyl-5-(2-methyl-3-methylenebicyclo[2.2.1]hept-2-yl)-, [1S-[1a,2a(Z),4a]]-
(-)-(Z)-β-Santalol
(-)-β-Santalol
β-(Z)-Santalol
Santalol b
cis-β-Santalol
Chemical Function
Fragrance
Flavouring and nutrient
Regulatory Lists
IFRA Transparency
food_additive; Substances Added to Food (formerly EAFUS) (2/2019)
Europe
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical data.
SOURCE
ChEMBL / DrugCentral / FAERS
DB_PHARMA CAS match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
ChEMBL ID
CHEMBL3586094
Frequently Asked Questions
Is Beta-Santalol allowed in the EU?
Beta-Santalol EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does Beta-Santalol do in cosmetics?
Beta-Santalol functions as: Fragrance. It is classified as a cosmetic ingredient in our database. CAS number: 77-42-9.
Is Beta-Santalol used outside cosmetics?
Beta-Santalol also appears in pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Beta-Santalol compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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
(20S)-Protopanaxadiol
Moderate
Similar safety
(Cnidium Officinale/Coptis Chinensis/Glycyrrhiza Uralensis) Root Extract
Moderate
Similar safety
Skin conditioning
(Cryptomeria Japonica/Chamaecyparis Obtusa) Stem Ferment Extract
Moderate
Similar safety
Antimicrobial, antioxidant, humectant
(Eclipta Prostrata/Houttuynia Cordata) Leaf Extract
Moderate
Similar safety
Skin conditioning
(Lepidium Meyenii/Sarcodon Aspratus) Root Water
Moderate
Similar safety
Skin conditioning
(Licorice/Reynoutria Japonica) Root/Stem Extract
Moderate
Similar safety
Skin conditioning, antioxidant
Acetyl Tributyl Citrate
Good
Chemical family
Plasticizer; solvent; film-former
Acetyl Triethyl Citrate
Excellent
Chemical family
Film Forming, Plasticiser, Masking, P...
Cedrol
Good
Chemical family
Fragrance (warm woody base note/fixat...
Is Beta-Santalol 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 Beta-Santalol in your formulation.