What is the NOAEL for Octadecane?
Octadecane has 6 NOAEL studies in the database. The lowest reported value is N102P6HAIU UNII. Source: openFDA substances.
NOAEL Data
REACH Registered
Cosmetic Ingredient
Octadecane
Also known as: n-Octadecane, EINECS 209-790-3, UNII-N102P6HAIU, CH3-[CH2]16-CH3, Oktadekan
CAS 593-45-3
Octadecane (CAS 593-45-3) is a chemical substance. Key regulatory status: REACH registered, 5 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH.
Cross-Vertical Regulatory Divergence
Octadecane is classified GHS Danger (H304) in the chemicals database but is allowed in EU cosmetics.
SOURCE
Cross-vertical comparison
Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code
SOURCE
noael studies public
NOAEL studies
6
SOURCE
chemical inventory jurisdictions
Regulatory lists
5
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
11 fields
Name
Octadecane
CAS Number
593-45-3
DTXSID
DTXSID9047172
Molecular Formula
C18H38
InChI Key
RZJRJXONCZWCBN-UHFFFAOYSA-N
Monoisotopic Mass
254.297351
Synonyms
n-OctadecaneEINECS 209-790-3UNII-N102P6HAIUCH3-[CH2]16-CH3Oktadekan
Functional Uses
Industrial and product-use categories associated with this substance.
SOURCE
EPA CPDat
7 records
SolventSoftener and conditionerFragranceFlavouring and nutrient
Regulatory Lists
Inventory, screening, and regulatory list matches from public chemical databases.
SOURCE
EPA CPDat
5 records
| List | Keyword | Source |
|---|---|---|
| detected; Other direct contact consumer goods; Other indirect contact consumer goods | Danish Environmental Protection Agency | Danish EPA |
| IFRA Transparency | IFRA | IFRA |
| Europe | European Commission | Fl@vis |
| consumer_product | P&G | Proctor & Gamble |
| air; detected; emissions; Europe; Toys and children's products | Danish Environmental Protection Agency | Danish EPA |
NOAEL Studies
Toxicology endpoints rendered from public NOAEL study rows.
SOURCE
NOAEL studies
Showing 6 of 6 studies
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| N102P6HAIU | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| N102P6HAIU | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| N102P6HAIU | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| N102P6HAIU | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| >5.266 | mg/L | LC50 | Inhalation | - | NTP_ICE_acute_inhalation |
| >5000 | mg/kg bw | LD50 | oral | Rat | NTP_ICE_acute_oral |
Showing 6 of 6 studies
REACH Registration
Registration status from the ECHA REACH registered substances database.
SOURCE
ECHA (EU)
1 records
| Status | Name | EC Number | Link |
|---|---|---|---|
| Registered | Octadecane | 209-790-3 | 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
Emollient
Frequently Asked Questions
What regulatory lists include Octadecane?
Octadecane appears on 5 regulatory/inventory lists including detected; Other direct contact consumer goods; Other indirect contact consumer goods, IFRA Transparency, Europe, and 2 more. Source: EPA CPDat.
Is Octadecane used in cosmetics?
Yes, Octadecane is also indexed as a cosmetic ingredient under the name OCTADECANE. 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 Octadecane come from?
Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ECHA REACH, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.
Does Octadecane have different safety status in cosmetics vs industrial chemicals?
Octadecane is classified GHS Danger (H304) in the chemicals database but is allowed in EU cosmetics.
Is Octadecane used outside industrial chemicals?
Octadecane also appears in cosmetics databases.