What is the NOAEL for 1-Undecanol?
1-Undecanol has 16 NOAEL studies in the database. The lowest reported value is 140.9 mg/m3 via inhalation in Human. Source: ToxValDB GESTIS DNEL.
NOAEL Data
REACH Registered
Cosmetic Ingredient
1-Undecanol
Also known as: C11 alcohol, 4-01-00-01835, Alcohol C-11, BRN 1698334, Decyl carbinol (+7 more)
CAS 112-42-5
1-Undecanol (CAS 112-42-5) is a chemical substance. Key regulatory status: REACH registered, 6 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH.
SOURCE
NOAEL studies
NOAEL studies
16
SOURCE
Chemical inventory jurisdictions
Regulatory lists
6
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-Undecanol
CAS Number
112-42-5
Molecular Formula
C11H24O
InChI Key
KJIOQYGWTQBHNH-UHFFFAOYSA-N
Monoisotopic Mass
172.182715
Synonyms
C11 alcohol4-01-00-01835Alcohol C-11BRN 1698334Decyl carbinolEINECS 203-970-5Fatty alcohol(C11)FEMA No. 3097n-UndecanolUNII-06MJ0P28T3n-Hendecylenic alcoholundecanol
Functional Uses
Industrial and product-use categories associated with this substance.
SOURCE
EPA CPDat
12 records
Softener and conditionerDeodorizerViscosity modifierPharmaceuticalFlavouring and nutrientFragranceSurfactant (surface active agent)Solvent
Regulatory Lists
Inventory, screening, and regulatory list matches from public chemical databases.
SOURCE
EPA CPDat
6 records
| List | Keyword | Source |
|---|---|---|
| inert_ingredient; non_food_use; Pesticides | EPA | CPCat |
| SCIL (9/2019) | USEPA | Safer Chemical Ingredients List |
| Europe | European Commission | Fl@vis |
| IFRA Transparency | IFRA | IFRA |
| food_additive; Substances Added to Food (formerly EAFUS) (2/2019) | FDA | United States Food and Drug Administration (FDA) |
| consumer_product | P&G | Proctor & Gamble |
NOAEL Studies
Toxicology endpoints rendered from public NOAEL study rows.
SOURCE
NOAEL studies
Showing 16 of 16 studies
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| =140.9 | mg/m3 | DNEL local | inhalation | Human | ToxValDB GESTIS DNEL |
| =313 | mg/m3 | DNEL systemic | inhalation | Human | ToxValDB GESTIS DNEL |
| 06MJ0P28T3 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 0 | % | Incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 2592 | ug/cm2 | Induction dose per skin area | Dermal | Human | NTP ICE skin sensitization |
| >0.7 | mg/L | LC50 | Inhalation | - | NTP ICE acute inhalation |
| >1.5 | mg/L | LC50 | Inhalation | - | NTP ICE acute inhalation |
| >2.05 | mg/L | LC50 | Inhalation | - | NTP ICE acute inhalation |
| >21 | mg/L | LC50 | Inhalation | - | NTP ICE acute inhalation |
| >71 | mg/L | LC50 | Inhalation | - | NTP ICE acute inhalation |
| >1500 | mg/m3 | LEL | inhalation | Rat | ECHA |
| =3000 | mg/kg bw/day | LEL | oral | Rat | ECHA |
| 0 | unitless | Model Score | - | - | NTP ICE endocrine |
| 3 | unitless | Relative reliability score | Dermal | Human | NTP ICE skin sensitization |
| 9.2 | kiloohms | TER | Dermal | - | NTP ICE skin irritation |
| 14.2 | kiloohms | TER | Dermal | - | NTP ICE skin irritation |
Showing 16 of 16 studies
REACH Registration
Registration status from the ECHA REACH registered substances database.
SOURCE
ECHA
1 records
| Status | Name | EC Number | Link |
|---|---|---|---|
| Registered | Undecan-1-ol | 203-970-5 | ECHA 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
Pharmaceutical Data
Same-CAS pharmaceutical records from drug and bioactivity sources.
SOURCE
ChEMBL / DailyMed
UNDECANOL
ChEMBL Phase
Not listed
Adverse Events
0
Bioactivity
2
Food Safety Data
Same-CAS food additive, ADI, and GRAS records where available.
SOURCE
EFSA
1 records
ADI: No safety concern at current levels of intake when used as a flavouring agent mg/kg bw
View full food safety profile →Frequently Asked Questions
What regulatory lists include 1-Undecanol?
1-Undecanol appears on 6 regulatory/inventory lists including inert_ingredient; non_food_use; Pesticides, SCIL (9/2019), Europe, and 3 more. Source: EPA CPDat.
Is 1-Undecanol used in cosmetics?
Yes, 1-Undecanol is also indexed as a cosmetic ingredient under the name Undecyl Alcohol. 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-Undecanol come from?
Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ECHA REACH, CosIng / Ingredients DB, ChEMBL / DailyMed, EFSA / FDA GRAS. All data traces to primary regulatory sources and is updated from official government databases.
Is 1-Undecanol used outside industrial chemicals?
1-Undecanol also appears in cosmetics, pharmaceutical, food safety databases.