Is Arachidic Acid safe in cosmetics?
Arachidic Acid has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted. 1 toxicological study endpoint(s) are available in our database.
Arachidic Acid
Also known as: EINECS 208-031-3, UNII-PQB8MJD4RB, Arachate, Arachidate, Arachinsaeure (+7 more)
INCI: ARACHIDIC ACID
Arachidic Acid (CAS 506-30-9) is a cosmetic surfactant functioning as Cleansing, Opacifying, Surfactant. Reported NOAEL =1000 mg/kg bw/day in Rat (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 and pharmaceutical data.
View industrial chemical safety profile for CAS 506-30-9 →
Auto-generated CPSR Part A draft with source citations
Function
Cleansing, Opacifying, Surfactant
Safety Rating
GOOD
Chemistry & Identifiers
IUPAC Name
icosanoic acid
InChIKey
VKOBVWXKNCXXDE-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
CIR: safe when formulated to be non-irritating and non-sensitizing (2019).
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Arachidic Acid.
Calculate MoS for your specific formulation with the MoS Calculator.
Toxicological Studies
1 study endpoint found for Arachidic Acid. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.
| Endpoint | Value | Route | Species | Study Type | Source |
|---|---|---|---|---|---|
| NOAEL | =1000 mg/kg bw/day | oral | Rat | reproduction developmental | ToxValDB_ECHA_IUCLID |
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
Ceased manufacture
Substance Type
SUBSTANCE
SVHC Candidate
No
Additional Ingredient Properties
2 property records from structured ingredient metadata.
emulsion_hlb
{"hlb_required_as_emulsifier": "no", "hlb_required_of_oil_phase": "15", "co_emulsifier_pairs": "sodium_hydroxide,triethanolamine", "optimal_oil_phase_pct": "12-32", "optimal_water_phase_pct": "68-88", "droplet_size_range_um": "5-40", "creaming_resistance": "moderate", "coalescence_resistance": "excellent", "ostwald_ripening_resistance": "excellent", "freeze_thaw_stability": "excellent", "rheology_…
solubility_hlb
{"water_soluble": "no", "oil_soluble": "yes", "hlb_required": "15.5", "soluble_in": "oils, ethanol", "insoluble_in": "water, glycerin, propylene glycol", "log_p": "9.4", "melting_point_c": "75-77", "appearance": "white powder", "source": "BASF"}
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Cleaning agent
Emulsifier
Opacifer
Surfactant (surface active agent)
Regulatory List Membership (1)
EPA Safer Chemical Ingredients List (SCIL)
Expert Verdict
Expert safety assessment and concern-level summary for Arachidic Acid.
Regulatory Flags
epa_safer_alternative
NOAEL Studies Summary
View details ->Public NOAEL study rows linked to Arachidic Acid by CAS number or substance name.
Studies
1
Lowest NOAEL
1000 mg/kg bw/day
Highest NOAEL
1000 mg/kg bw/day
ToxValDB_ECHA_IUCLID
Known Synonyms
EINECS 208-031-3
UNII-PQB8MJD4RB
Arachate
Arachidate
Arachinsaeure
C20:0
CH3-[CH2]18-COOH
Eicosanoate
Icosanoate
N-Eicosanoate
arachidinic acid
eicosoic acid
Chemical Function
Surfactant (surface active agent)
Emulsifier
Cleaning agent
Opacifer
Regulatory Lists
SCIL (9/2019)
Australian Status
AICIS status: listed
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.
Compound
ARACHIDIC ACID
ChEMBL ID
CHEMBL1173381
Frequently Asked Questions
Is Arachidic Acid allowed in the EU?
Arachidic Acid EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Arachidic Acid do in cosmetics?
Arachidic Acid functions as: Cleansing, Opacifying, Surfactant. It is classified as a Surfactant in our database. CAS number: 506-30-9.
What is the NOAEL for Arachidic Acid?
The NOAEL (No Observed Adverse Effect Level) for Arachidic Acid is =1000 mg/kg bw/day based on a reproduction developmental study via oral route in Rat. Source: ToxValDB_ECHA_IUCLID.
Is Arachidic Acid used outside cosmetics?
Arachidic Acid also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Arachidic Acid compliance across multiple jurisdictions:
Ingredient Decoder
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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
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