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Oils, Fats & Waxes

Myristoleic acid

CAS: 544-64-9

Overview

Myristoleic acid (CAS 544-64-9 ) is a naturally occurring monounsaturated fatty acid found in plant seed oils, animal fats, and certain marine sources. It functions as an emulsifier, moisturizing agent, and stabilizer across personal care, food, and pharmaceutical formulations.

In cosmetic and skincare formulations, it contributes to emulsion stability and skin conditioning. This makes it a functional component in creams, lotions, and serums targeting moisturization and improved skin barrier function.

Pharmaceutical manufacturers incorporate it as a lipid excipient in topical and semi-solid dosage forms where controlled emulsification is required. It is valued for its consistency and compatibility with various active ingredients.

In food-grade applications, it serves as a functional fatty acid in specialty lipid blends and nutritional formulations. It is often used where defined fatty acid profiles are a specific requirement for the final product.

Personal care formulators also use it in hair care products to improve the texture and spreadability of oil-based systems. This helps in creating products that are easier to apply and provide a better sensory experience.

The material is typically supplied as a liquid oil at varying purity levels, with high-purity grades available for pharmaceutical and nutraceutical applications. These grades often meet USP or FCC standards depending on the source.

Food-grade and cosmetic-grade specifications are the most commercially prevalent, with purity commonly ranging from 90% to 98%+. The specific purity level is chosen based on the intended use and regulatory requirements.

Packaging is generally offered in small laboratory quantities through to bulk drum supply to accommodate both R&D and production-scale procurement. This flexibility ensures that manufacturers can scale their operations efficiently.

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Physical Properties

Melting Point-4.5-4 °C
Boiling Point144 °C @ Press: 0.6 Torr
Density0.9 g/mL at 25 °C(lit.)
Flash Point62 °C
AppearanceColorless liquid. Found in fatof some seeds and in fish oil.
ColorColourless
FormLiquid
Refractive Indexn 20/D 1.4562(lit.)
Log P5.383 (est)

Safety & Handling

Warning GHS07 Hazard Statements H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation Precautionary Statements P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P332+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

Packing GroupIII
Storage Class10 - Combustible liquids
WGK (Germany)3

Other Names

cis-tetradec-9-enoic acid | cis-Delta(9)-tetradecenoic acid | cis-delta(9)-Tetradecenoate | cis-9-tetradecenoic acid | cis-9-Tetradecenoate | 9Z-tetradecenoic acid | 9Z-Tetradecenoate | 9-Tetradecenoate

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Chemical Properties

CAS Number
544-64-9
EC Number
208-876-8
Mol. Weight
226.35

Industries

Documentation