Application：

1.Undecanoic acid is a common gas chromatography internal standard compound, the capillary gas chromatography internal standard method was used to determine the preservatives dehydroacetic acid, benzoic acid and sorbic acid in food, the sample recovery rate was between 96% and 104%, the standard linear relationship was good, the coefficient of variation of the sample determination was small, dehydroacetic acid was 0.71%, benzoic acid was 0.82% and sorbic acid was 0.62%. It is simple, fast and accurate. In addition to this, it can also be used to determine the content of various preservatives in food [5-7].
2.It is used in the production of feed additives containing organic acids and medium-chain fatty acids, which are used to screen out medium-chain fatty acids (caprylic acid or nonanoic acid) and organic acids (citric acid) with more antibacterial activity by treating different strains with different MCFAs and OAs, and then match the two in an appropriate ratio to make them exert a stronger synergistic effect, so as to ensure that the antibacterial effect can be stronger on the basis of reducing the dose of medium-chain fatty acids and organic acids [8].
3.Undecanoic acid is used in organic synthesis and as a plastic regulator.

Specification：

melting point 28-31°C(lit.)
boiling point:228°C160mmHg(lit.)
Density 0.89g/cm3 (20°C)
The refractive index is 1.4202
FEMA 3245|UNDECANOICACID
Flash point >230°F
Insoluble in water, soluble in ethanol, ether, etc.

Safety：

Hazard Goods Signs Xi
Risk Category Codes 36/37/38
Safety Instructions 26-36WGK
Germany 1
Undecanoic acid inhalation and ingestion are harmful to the human body. It has an irritating effect on the eyes, skin, mucous membranes and upper respiratory tract.

Packing & Storage：

Packed in 25kg/50kg drums.Packed in 25kg/50kg drums.
The compound is sealed and stored in a cool, dry place. The place of storage is away from oxidants. Undecanoic acid powder can cause combustion explosion when heated, exposed to open flame or in contact with oxidant.

Hendecanoic acid Undecanoic acid Undecylic acid | CAS 112 37 8

One Line Sourcing Position

High purity Hendecanoic acid for pharmaceutical antifungal agents, flavor and fragrance formulations, and liquid crystal intermediate applications.

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Specification

Purity by GC: 98.0 percent minimum, typical batch 99.0 percent or higher
Appearance: White to pale yellowish low melting solid or colorless crystals
Molecular formula: C11H22O2
Molecular weight: 186.29 g per mol
Melting point: 28 to 31 degrees Celsius
Boiling point: 228 degrees Celsius at 160 mmHg (lit.) or 248 to 250 degrees Celsius at 760 mmHg
Density: 0.89 g per cubic centimeter at 20 degrees Celsius
Refractive index: 1.4202
Flash point: Greater than 110 degrees Celsius (greater than 230 degrees Fahrenheit)
pKa: 4.79 plus minus 0.10 (Predicted)
Solubility: Insoluble in water; very soluble in alcohol, chloroform, acetone
LogP: 4.50
Odor: Waxy, creamy, cheese like with fatty coconut nuance
Stock Status: In Stock in US warehouse and China hub

Available Quantity and Lead Time

Regular supply: 500 g to 20 metric tons per shipment
Lead time: 3 to 5 days for standard packaging; bulk orders require 7 to 10 days

Document Support

COA SDS HPLC chromatogram NMR spectrum Mass spectrum MS available upon request

Application

Hendecanoic acid, also known as undecanoic acid, is a medium chain saturated fatty acid with broad utility across pharmaceutical, flavor and fragrance, and industrial chemical sectors.

In the pharmaceutical industry, hendecanoic acid is recognized as the most fungitoxic compound commonly used in the treatment of superficial mycoses in humans. It serves as a precursor in the development of surfactants and drug formulations, and is explored in treatments for fungal infections due to its antimicrobial properties. Research also demonstrates enhanced antifungal and biocompatible efficacy when incorporated into chitosan based nanoemulsions.

In the flavor and fragrance industry, hendecanoic acid is a volatile free fatty acid reported to occur naturally in milk fat, cheese and meat lipids. It imparts waxy, creamy, cheese like notes with a fatty coconut nuance, making it valuable for dairy, cheese, coconut and fatty flavor profiles. It is listed as FEMA 3245 for use as a flavoring agent and adjuvant. In cosmetics and personal care, it functions as an antiseborrhoeic, cleansing, emulsifying, masking and surfactant agent.

In specialty chemical synthesis, hendecanoic acid serves as an intermediate for liquid crystals and is used in organic synthesis, as a catalytic agent, and as a petrochemical additive. It is also utilized as an internal standard for the determination of medium chain fatty acids in biological samples by gas chromatography-mass spectrometry. In biotechnology, it serves as a fatty acid building block for synthesizing biodiesel.

Custom Synthesis Support

We offer custom synthesis for hendecanoic acid derivatives including esterified, halogenated, and isotopically labeled versions. Share your technical datasheet for feasibility review.

Packaging and Shipping

Available in 500 g, 1 kg, 5 kg, 25 kg fiber drums or 200 kg steel drums with polyethylene inner liner. Custom packaging such as double sealed aluminum foil bags under nitrogen is supported. Fastest dispatch within 7 days after order confirmation. Store in a cool, dark place at room temperature (recommended below 15 degrees Celsius). Non hazardous under normal transport conditions.

Why XinChem

XinChem provides hendecanoic acid with strict control of purity and impurity profile for US customers. Our ISO 9001 certified facility monitors every batch by GC and melting point analysis, ensuring consistent quality for pharmaceutical, flavor and industrial applications. We maintain a buffer stock in US warehouses for emergency deliveries within 48 hours. Each order includes a full documentation package: COA, SDS, and chromatograms accessible through our online portal. Our technical support team assists with handling recommendations, stability studies, and regulatory compliance including TSCA, EINECS (203-964-2), FEMA GRAS, and FDA food additive regulations. For contract customers, we offer quarterly price locks and consignment inventory to reduce supply chain risk. Trusted by numerous pharmaceutical, flavor, and specialty chemical companies in North America. We also provide free sample evaluation for qualified R&D projects and a price match guarantee against any valid competitor quote for equivalent quality.

FAQ

Q1 How should hendecanoic acid be stored?
A Store in a cool, dry, dark place at room temperature (recommended below 15 degrees Celsius). Keep containers tightly sealed. Shelf life is 24 months under recommended conditions.

Q2 What purity grades do you supply?
A Standard grade is 98.0 percent minimum by GC. We also supply 99.0 percent and higher grades for pharmaceutical and analytical reference applications.

Q3 Is hendecanoic acid soluble in water?
A No, it is insoluble in water. It is very soluble in alcohol, chloroform, acetone, and most organic solvents.

Q4 Do you provide sample quantities for formulation development?
A Yes, free samples of 100 g are available for qualified US companies. Shipping fee applies for small quantities.

Q5 What are the common impurities in hendecanoic acid and how do you control them?
A Key impurities include other fatty acid homologs and water. Our specification limits total impurities below 0.5 percent. Full impurity profiling is provided per batch.

Q6 Can hendecanoic acid be used as a flavoring agent in food products?
A Yes, hendecanoic acid is FEMA GRAS (No. 3245) and listed as a flavoring agent or adjuvant by FDA. Please request our regulatory package for your specific application.