Biofilm laboratory research
TCI describes lauric acid in specific Candida and E. [4]
CHEMICAL PROFILE CAS 143-07-7
Properties, Uses, pKa, Safety,
Comparisons & Suppliers
Lauric acid is the C12 saturated free fatty acid. Oils containing lauric residues, glycerol esters and laurate salts are related materials with different identities and product specifications. [1]
Identity focus: Neutral free acid; water and derivatives specified separately. Aqueous pKa values depend on conditions; product assay is a separate measurement.
THE ESSENTIALS
Ten methylenes lie between CH₃ and COOH. The chain is saturated and achiral, with no E/Z alkene identity.
Lauric acid is the C12 saturated free fatty acid. Oils containing lauric residues, glycerol esters and laurate salts are related materials with different identities and product specifications. [1] [3]
Safety at a glance — TCI L0011 identifies serious eye damage and aquatic toxicity; Sigma L4250 also identifies serious eye damage. Retain this hazard despite fatty-acid occurrence in food oils. Handle powder and any warmed material according to the exact-product SDS and avoid environmental release. [4] [5] [6]
A condensed structural formula keeps the functional groups visible. [1]
TCI describes lauric acid in specific Candida and E. [4]
Attributed industrial records identify soap, wetting-agent and alkyd-resin contexts. [3]
The supplier section separates package size, assay, grade, and market context for three named products. [4] [5] [6]
GO A LITTLE DEEPER
Ten methylenes lie between CH₃ and COOH. The chain is saturated and achiral, with no E/Z alkene identity. [1]
Neutralization forms laurate salts; esterification forms laurate esters. Surfactant or emollient performance of those products does not establish identical performance of the free acid. Its low neutral-water solubility also differs from a salt solution. [1] [12]
Connectivity and neutral formula identify this acid. Positional isomers, water-containing products, salts and esters require their own specifications. Measured reference conditions, assay methods and unresolved discrepancies remain visible. [1] [2] [4] [5] [6]
Acid–base reference values describe equilibria under specified conditions. They are not a substitute for a validated formulation or an assay on the purchased lot.
MAKE THE CONNECTION
Similar names and functional groups do not mean interchangeable chemicals.
SIDE-BY-SIDE COMPARISON
Fixed comparison for this prototype. Acid selectors are disabled; additional comparisons are coming later.
| Property | Lauric Acid | Myristic Acid |
|---|---|---|
| Molecular formula | C₁₂H₂₄O₂ [1] | C₁₄H₂₈O₂ [7] |
| Molecular weight | 200.32 g/mol [1] | 228.37 g/mol [7] |
| Carbon atoms | 12 [1] | 14 [7] |
| Carboxyl groups | 1 [1] | 1 [7] |
| Structure | CH₃–(CH₂)₁₀–COOH [1] | CH₃–(CH₂)₁₂–COOH [7] |
| Chemical family | C12 saturated straight-chain fatty acid [1] | C14 saturated straight-chain fatty acid [7] |
| Identity focus | Neutral free acid; water and derivatives specified separately [1] | Neutral free acid; water and derivatives specified separately [7] |
Choose lauric acid for a C12 free-acid synthesis or research target; choose myristic acid for C14. For a soap, ester or food formulation, specify the actual chemical form and intended grade rather than selecting solely by fatty-acid name. [1] [3] [7]
Match CH₃–(CH₂)₁₀–COOH and the method’s required chemical form.
Match CH₃–(CH₂)₁₂–COOH; verify the identity before substituting a related acid.
Before choosing: match the reaction or formulation, then verify the exact form, grade, assay basis, and impurities. These contexts do not establish suitability for an industrial or regulated application.
FROM STRUCTURE TO APPLICATION
TCI describes lauric acid in specific Candida and E. coli biofilm studies and expressly restricts the product to research. This is direct experimental use, not a claim of approved infection treatment or disinfectant service. [4]
Attributed industrial records identify soap, wetting-agent and alkyd-resin contexts. The acid is a precursor where it is converted into a salt, ester or polymer residue; finished-material performance is separate. [3]
SOURCE WITH CONTEXT
Compare specific products and package options. Listings are not ranked recommendations.
Package sizes stay grouped under the supplier product. Assay methods, product forms, and regional markets remain visible. The priced Sigma L4250 reagent differs from separately listed FCC/FG W261408. GC/titration and Wako capillary-GC specifications remain separate. Solution or oil-blend concentration is not inferred from the neat-product assay.
Scroll horizontally if needed. Supplier and package identity stay visible.
| Supplier | Product / Grade | Purity / Assay | Package Size | Public Price | Normalized Price | Documentation | Last Checked | Action |
|---|---|---|---|---|---|---|---|---|
| TCI AmericaLauric Acid | Named grade not statedL0011 · 25 g | GC: minimum 98.0% Neutralization titration: minimum 98.0% | 25 g | $20.00USD · US public price | Not comparedGrades, assay bases, or forms differ | Document notes: TCI America
| View Product: TCI America, L0011 · 25 g (opens new tab) | |
| Named grade not statedL0011 · 500 g | GC: minimum 98.0% Neutralization titration: minimum 98.0% | 500 g | $24.00USD · US public price | Not comparedGrades, assay bases, or forms differ | View Product: TCI America, L0011 · 500 g (opens new tab) | |||
| Sigma-AldrichLauric Acid | Named grade not statedL4250-100GList prices shown; promotional USD 41.82 / 150.00 were also displayed. Separate FCC/FG product W261408 is not this reagent. | Minimum 99% (GC/titration) | 100 g | $49.20USD · US public list price | Not comparedGrades, assay bases, or forms differ | Document notes: Sigma-Aldrich
| View Product: Sigma-Aldrich, L4250-100G (opens new tab) | |
| Named grade not statedL4250-500GList prices shown; promotional USD 41.82 / 150.00 were also displayed. Separate FCC/FG product W261408 is not this reagent. | Minimum 99% (GC/titration) | 500 g | $200.00USD · US public list price | Not comparedGrades, assay bases, or forms differ | View Product: Sigma-Aldrich, L4250-500G (opens new tab) | |||
| FUJIFILM WakoLauric Acid | Wako Special Grade042-23281Research / further manufacturing; confirm US availability separately from Japan stock. Storage below 25 °C applies to this product. | 98.0+% (Capillary GC) | 100 g | $45.00USD · US catalog list price | Not comparedGrades, assay bases, or forms differ | Document notes: FUJIFILM Wako
| View Product: FUJIFILM Wako, 042-23281 (opens new tab) | |
| Wako Special Grade044-23285Research / further manufacturing; confirm US availability separately from Japan stock. Storage below 25 °C applies to this product. | 98.0+% (Capillary GC) | 500 g | $103.00USD · US catalog list price | Not comparedGrades, assay bases, or forms differ | View Product: FUJIFILM Wako, 044-23285 (opens new tab) |
Lauric Acid
Named grade not stated
Last checked:
Lauric Acid
Named grade not stated
List prices shown; promotional USD 41.82 / 150.00 were also displayed. Separate FCC/FG product W261408 is not this reagent.
Last checked:
Lauric Acid
Wako Special Grade
Research / further manufacturing; confirm US availability separately from Japan stock. Storage below 25 °C applies to this product.
Last checked:
COA = Certificate of Analysis · SDS = Safety Data Sheet · COO = Certificate of Origin.
Lookup means a retrieval option was visible, not that a lot certificate was reviewed. Check supplier means availability or the applicable document was not verified.
Prices may vary by quantity, account, contract, geography, and availability. These products have different grades, assay bases, or forms; no normalized comparison is shown. Foreign-market prices are reference listings only. No currency conversion, mass-to-volume conversion, or ranking is applied. Confirm equivalent specifications and a current quote before comparison. [4] [5] [6]
pKa: CONDITION-DEPENDENT. IUPAC aqueous compilation gives 5.3 at 20 °C; ionic strength and experimental method were not established in the retrieved entry. Retained only with conditions, not as a universal long-chain-fatty-acid constant. Melting references: CONFLICT UNRESOLVED. Attributed 43.8 °C and 48 °C references differ; cause not established. Main field is the clearly attributed product specification. Boiling / density: CONDITION-DEPENDENT. Reduced-pressure 225 °C reference retained. Pressure-free 91.4 °C compilation entry is not resolved or promoted. 50 °C density is molten; temperature-free or 25 °C density records do not replace it.
Only the displayed identity, specification, packages, public prices and stated documentation evidence were reviewed. Current stock, lead times, shipping eligibility, contract pricing, lot certificates, and regulatory suitability are unverified.
There are no paid placements. Future paid listings will show “Sponsored” in both views; payment will not determine chemistry interpretation or imply a ranking.
PLAN A LARGER ORDER
Turn your requirements into a clear supplier brief.
A BUYER’S CHECKLIST
Selections remain only while this page is open.
FOR YOUR REFERENCE
Identity, product reference properties, and handling context.
Connectivity SMILES describes connectivity; it is not an independent stereochemical assignment. CAS and product-form distinctions are supported by the supplier listings. [1] [4] [5] [6]
Solid at 20 °C in TCI’s listing. A density reference above the melting region describes molten acid rather than powder. [13] [4] [5]
Hydrate, concentration, stereoisomer, and temperature can change the relevant specification. Product reference data are not a reviewed lot certificate.
Reference pKa: 5.3 (water, 20 °C; IUPAC compilation; ionic strength/method not established). [2]
pKa: CONDITION-DEPENDENT. IUPAC aqueous compilation gives 5.3 at 20 °C; ionic strength and experimental method were not established in the retrieved entry. Retained only with conditions, not as a universal long-chain-fatty-acid constant. Melting references: CONFLICT UNRESOLVED. Attributed 43.8 °C and 48 °C references differ; cause not established. Main field is the clearly attributed product specification. Boiling / density: CONDITION-DEPENDENT. Reduced-pressure 225 °C reference retained. Pressure-free 91.4 °C compilation entry is not resolved or promoted. 50 °C density is molten; temperature-free or 25 °C density records do not replace it.
Temperature, ionic strength, and the use of activities versus concentrations matter in quantitative work. These reference values are not buffer recipes.
TCI L0011 identifies serious eye damage and aquatic toxicity; Sigma L4250 also identifies serious eye damage. Retain this hazard despite fatty-acid occurrence in food oils. Handle powder and any warmed material according to the exact-product SDS and avoid environmental release. [4] [5] [6]
Hazard classifications can vary by concentration, product, supplier and jurisdiction. Review the SDS for the exact product before handling. This summary does not replace the SDS.
Supplier safety information and SDS retrieval (opens new tab)
A product-page safety classification is not verification of every regional SDS. Confirm product code, chemical form and current local document.
Review supplier documentationCOMMON QUESTIONS
Ten methylenes lie between CH₃ and COOH. The chain is saturated and achiral, with no E/Z alkene identity. [1]
Myristic acid adds two methylenes to the lauric chain. Both are solids under the displayed 20 °C reference context, but their chain residues and supplier specifications differ. Do not infer a universal aqueous-acidity or solubility trend from chain length. [7]
The priced Sigma L4250 reagent differs from separately listed FCC/FG W261408. GC/titration and Wako capillary-GC specifications remain separate. Solution or oil-blend concentration is not inferred from the neat-product assay. [4]
No. The table retains differing grades, assay bases, forms, and markets. No normalized ranking or currency conversion is applied. [5]
pKa: CONDITION-DEPENDENT. IUPAC aqueous compilation gives 5.3 at 20 °C; ionic strength and experimental method were not established in the retrieved entry. Retained only with conditions, not as a universal long-chain-fatty-acid constant. Melting references: CONFLICT UNRESOLVED. Attributed 43.8 °C and 48 °C references differ; cause not established. Main field is the clearly attributed product specification. Boiling / density: CONDITION-DEPENDENT. Reduced-pressure 225 °C reference retained. Pressure-free 91.4 °C compilation entry is not resolved or promoted. 50 °C density is molten; temperature-free or 25 °C density records do not replace it.
The RFQ is a prototype that prepares an on-screen brief. Nothing is sent to suppliers. Confirm actual bulk terms directly with the supplier.
TRACE THE INFORMATION
Identity and compiled reference values are separated from supplier-specific specifications. Structural comparisons and buyer guidance are editorial interpretation. Sources were checked October 3, 2026; supplier information can change.
Neutral molecular identity verified independently through PUG REST; CAS also checked on all selected supplier products.
The cited reference and available conditions are retained; unspecified measurement conditions are not inferred.
Attributed application records reviewed claim by claim. Free acid, intermediate, derivative and biological context are distinguished.
Direct product checked October 3, 2026. Identity, listed assay methods, packages, market, prices and documentation interfaces inspected. Lot certificates and stock are not verified.
Direct product checked October 3, 2026. Identity, listed assay methods, packages, market, prices and documentation interfaces inspected. Lot certificates and stock are not verified.
Direct product checked October 3, 2026. Identity, listed assay methods, packages, market, prices and documentation interfaces inspected. Lot certificates and stock are not verified.
Primary structural comparison. Practical interpretation does not establish suitability.
Related identity and structural relationship.
Related identity and structural relationship.
Related identity and structural relationship.
Only independently reviewed values are promoted into the comparison; no condition-free acidity ranking.
General carboxylate resonance, acidity and structural interpretation; not authority for this acid’s quantitative constants.
Attributed references and conditions reviewed; unsupported estimates and cross-isomer data excluded.
Manufacturer-listed FCC/FG qualification belongs to this separate product, not the priced L4250 reagent.
pKa: CONDITION-DEPENDENT. IUPAC aqueous compilation gives 5.3 at 20 °C; ionic strength and experimental method were not established in the retrieved entry. Retained only with conditions, not as a universal long-chain-fatty-acid constant. Melting references: CONFLICT UNRESOLVED. Attributed 43.8 °C and 48 °C references differ; cause not established. Main field is the clearly attributed product specification. Boiling / density: CONDITION-DEPENDENT. Reduced-pressure 225 °C reference retained. Pressure-free 91.4 °C compilation entry is not resolved or promoted. 50 °C density is molten; temperature-free or 25 °C density records do not replace it.
This informational prototype is not a supplier, quotation service, or endorsement of a product’s fitness for an application. Buyers should verify the applicable specification, certification, and regulatory requirements for their intended use.