Good Emollient

Lauric Acid

Also known as: 1-Undecanecarboxylic acid, 4-02-00-01082, BRN 1099477, EINECS 205-582-1, FEMA No. 2614 (+14 more)

INCI: LAURIC ACID

Lauric Acid (CAS 143-07-7) is a cosmetic emollient functioning as Saturated long-chain fatty acid (C12:0). Dominant fatty acid in virgin coconut. 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, pharmaceutical, and food safety data.

View industrial chemical safety profile for CAS 143-07-7 →

Auto-generated CPSR Part A draft with source citations
Function
Saturated long-chain fatty acid (C12:0). Dominant fatty acid in virgin coconut oil (approximately 46-48%). Primary antimicrobial component via membrane disruption. Functions as emollient, skin-conditioning agent, and antimicrobial agent.
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C12H24O2
MW
200.32 g/mol
EC Number
205-582-1
PubChem CID
3893
IUPAC Name
dodecanoic acid
InChIKey
POULHZVOKOAJMA-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Primary fatty acid of virgin coconut oil (approximately 46-48%). FDA GRAS for food use. Clinical trials demonstrate TEWL reduction superior to mineral oil in atopic dermatitis. Antimicrobial activity via membrane disruption. C12 fatty acids are substrates for Malassezia; lauric acid-rich oils are contraindicated in fungal-acne (Malassezia folliculitis) sensitive formulations.

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Lauric Acid.

Calculate MoS for your specific formulation with the MoS Calculator.

EPA ToxValDB — Toxicity Values

1 toxicity value from EPA ToxValDB (aggregated from CCTE, HPV, ToxRefDB, IRIS, and other regulatory dossiers).

Endpoint Value Species Route Duration Source
LD50 =12000 mg/kg Rat oral - ChemIDplus

HRIPT Human Patch Test Studies

1 human repeat insult patch test aggregated from dermatological literature.

Test Type N Sensitized Dose µg/cm² NESIL µg/cm² Potency
HRIPT - 0 - - -

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
10,000 - 100,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Additional Ingredient Properties

6 property records from structured ingredient metadata.

baby_pediatric
{"cas_number": "CAS-FUNC-16", "ingredient_class": "other", "pediatric_safety_rating": "excellent", "minimum_age_months": "0", "neonatal_safe": "yes", "premature_infant_safe": "yes", "skin_barrier_maturity_consideration": "Fatty acid - natural, safe", "transepidermal_absorption_risk_pediatric": "low", "systemic_exposure_concern_pediatric": "low", "dose_per_kg_body_weight_concern": "Functional ingre…
comedogenicity_detail
{"comedogenicity_rating": "4", "irritancy_rating": "2", "skin_type_suitability": "dry", "acne_safe": "no", "source": "Fulton 1989"}
deodorant
{"cas_number": "143-07-7", "ingredient_class": "antimicrobial_deodorant", "mechanism_of_action": "bacterial_growth_inhibition", "antiperspirant_efficacy_sweat_reduction_pct": "0", "deodorant_efficacy_hours": "6-10", "odor_reduction_pct": "35-55", "bacteriostatic": "yes", "bactericidal": "yes", "target_bacteria": "Staphylococcus", "microbiome_impact": "selective", "axillary_microbiome_effect": "var…
emulsion_hlb
{"hlb_required_as_emulsifier": "no", "hlb_required_of_oil_phase": "16", "co_emulsifier_pairs": "sodium_hydroxide,triethanolamine", "optimal_oil_phase_pct": "10-28", "optimal_water_phase_pct": "72-90", "droplet_size_range_um": "5-35", "creaming_resistance": "moderate", "coalescence_resistance": "good", "ostwald_ripening_resistance": "moderate", "freeze_thaw_stability": "moderate", "rheology_modifie…
solubility_hlb
{"water_soluble": "no", "oil_soluble": "yes", "hlb_required": "12.0", "soluble_in": "oils, ethanol", "insoluble_in": "water, glycerin, propylene glycol", "log_p": "4.6", "melting_point_c": "44-46", "appearance": "white flakes", "source": "BASF"}
uv_stability
{"uv_stable": "yes", "uv_degradation_rate": "stable", "photosensitizer": "no", "phototoxic": "no", "photoallergic": "no", "requires_uv_protection_packaging": "no", "color_change_uv": "no", "odor_change_uv": "no", "efficacy_loss_uv_pct": "0", "spf_contribution": "no", "uva_protection": "no", "uvb_protection": "no", "photostable_sunscreen": "no", "boost_spf_of_others": "no", "antioxidant_under_uv": …

PubChem Annotations

Safety and regulatory annotations from PubChem (NCBI) aggregated sources.

Safety (2)
Carcinogen Classification
No indication of carcinogenicity to humans (not listed by IARC).
Source: Toxin and Toxin Target Database (T3DB)
Skin Eye Respiratory Irritation
... Interviews with workers indicated that lauric acid exposure caused local irritation of moist body surfaces (eye, nose, throat, sweaty skin). Severe irritation was reported by 1 worker after exposure of moist occluded skin areas to lauric acid ...
Source: Hazardous Substances Data Bank (HSDB)
Regulatory (2)
JECFA Number
111
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
JECFA Evaluation
LAURIC ACID | 1997 | No safety concern at current levels of intake when used as a flavouring agent | TRS 884-JECFA 49/29 | FAS 40-JECFA 49/147
Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Cleaning agent Emulsifier Flavouring and nutrient Fragrance Humectant Lubricating agent Plasticizer Surfactant (surface active agent)
Regulatory List Membership (5)
EU Restricted for Children (Cosmetics) IFRA Fragrance Transparency List EPA Safer Chemical Ingredients List (SCIL) FDA Substances Added to Food (EAFUS) Consumer Product Chemical

Expert Verdict

Expert safety assessment and concern-level summary for Lauric Acid.

Regulatory Flags

antimicrobial malassezia-substrate contraindicated-fungal-acne coconut-derived eu_children_restricted epa_safer_alternative ifra_fragrance fda_food_additive jecfa_safe

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Lauric Acid by CAS number or substance name.

Studies
6
Lowest NOAEL
1000 mg/kg bw/day
Highest NOAEL
1500 mg/kg bw/day
ECHA_REACH_reach_study_results_dossiers_23-05-2023.zip

Known Synonyms

1-Undecanecarboxylic acid 4-02-00-01082 BRN 1099477 EINECS 205-582-1 FEMA No. 2614 Hydrofol acid 1255 Hydrofol acid 1295 Ninol AA62 Extra NSC-5026 Univol U-314 Wecoline 1295 UNII-1160N9NU9U 1-Undecanecarboxylate ABL C12 fatty acid C12:0 CH3-[CH2]10-COOH Coconut oil fatty acids DAO

Chemical Function

Surfactant (surface active agent) Emulsifier Cleaning agent Fragrance Flavouring and nutrient

Regulatory Lists

detected; Europe; Other direct contact consumer goods detected; Europe; Vehicle - car interior air; detected; emissions; Europe; Vehicle - car interior inert_ingredient; Pesticides detected; emissions; Europe; Other indirect contact consumer goods; water detected; Europe; Toys and children's products Arts and crafts/Office supplies - children's art and toys - modeling clay; detected; Europe air; Arts and crafts/Office supplies - children's art and toys - modeling clay; detected; emissions; Europe detected; Europe; Other direct contact consumer goods detected; Toys and children's products Europe SCIL (9/2019) pharmaceutical drinking_water; Europe; manufacturing; plastic_additive active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical and food safety data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

Compound
DODECANOATE
ChEMBL ID
CHEMBL108766
View full pharmaceutical profile →
SOURCE EFSA / FDA GRAS food_additives

Food Safety Data

Same-CAS food additive or FDA GRAS records from the core public database.

Food Name
Lauric acid
ADI
No safety concern at current levels of intake when used as a flavouring agent mg/kg bw
Food Category
preservative
View full food safety profile →

Frequently Asked Questions

Is Lauric Acid safe in cosmetics?

Lauric Acid has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is Lauric Acid allowed in the EU?

Lauric Acid EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Lauric Acid do in cosmetics?

Lauric Acid functions as: Saturated long-chain fatty acid (C12:0). Dominant fatty acid in virgin coconut oil (approximately 46-48%). Primary antimicrobial component via membrane disruption. Functions as emollient, skin-conditioning agent, and antimicrobial agent.. It is classified as a Emollient in our database. CAS number: 143-07-7.

Is Lauric Acid used outside cosmetics?

Lauric Acid also appears in industrial chemical safety, pharmaceutical, and food safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does Lauric Acid have different safety status in cosmetics vs industrial chemicals?

Lauric Acid is classified GHS Danger (H315, H318, H319) in the chemicals database but is allowed in EU cosmetics.

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(APPLE/CITRUS JUNOS/LENTIL/PEAR/PUMPKIN/STRAWBERRY/TOMATO FRUIT)/CORN KERNEL/(ARCTIUM LAPPA/BRASSICA OLERACEA ACEPHALA/CABBAGE/CAMELLIA SINENSIS/MORINGA OLEIFERA/RADISH/SPINACH LEAF)/(SORGHUM BICOLOR LEAF/STEM)/OAT MEAL/POTATO PULP/(CARROT/NELUMBO NUCIFERA/RADISH/WILD YAM ROOT)/(AMARANTHUS HYPOCHONDRIACUS/CASHEW/CICER ARIETINUM/COIX LACRYMA-JOBI MA-YUEN /MACADAMIA TERNIFOLIA/PHASEOLUS ANGULARIS/PISTACIA VERA/RHYNCHOSIA NULUBILIS/RICE/SESAME/SETARIA ITALICA/SOYBEAN/SWEET ALMOND/WHEAT SEED)/HORDEUM VULGARE SPROUT/CYPERUS ESCULENTUS TUBER/ARTEMISIA PRINCEPS/BROCCOLI/CHENOPODIUM QUINOA/ENTEROMORPHA COMPRESSA/HORDEUM VULGARE/IPOMOEA BATATAS/LAMINARIA JAPONICA/LENTINUS EDODES/PLEUROTUS OSTREATUS/PORPHYRA TENERA/UNDARIA PINNATIFIDA EXTRACT
Good Similar safety
Antioxidant
9-Undecenal
Good Chemical family
Perfuming
BIS(HEXAMETHYLENE)TRIAMINE
Good Chemical family
Not Reported
DEA-Lauryl Sulfate
Moderate Chemical family
Surfactant - cleansing, foaming

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