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Amino Acids & Peptides

Sodium stearoyl glutamate

CAS: 38517-23-6

Overview

Sodium stearoyl glutamate (CAS 38517-23-6 ) is an amino acid-based surfactant derived from stearic acid and glutamic acid. It functions as an emulsifier and skin-conditioning agent across food and personal care applications.

This versatile ingredient offers mild, biodegradable surface activity suited to formulations targeting sensitive skin or clean-label positioning. In personal care, it stabilizes oil-in-water emulsions in creams, lotions, and sunscreens.

The compound improves skin feel and spreadability in various topical applications. Cleansing formulations, including facial washes and micellar products, use it for its gentle wetting and degreasing action without disrupting the skin barrier.

In food manufacturing, it acts as an emulsifier in processed foods, improving fat dispersion and texture consistency in baked goods and margarine. It is highly valued for its ability to maintain stability in complex mixtures.

Cosmetic formulators also incorporate it into powder-based products, where it modifies surface tension to enhance pigment dispersion and adhesion. This ensures a uniform application and long-lasting finish for the end user.

Sodium stearoyl glutamate is supplied as a white to off-white powder or fine flakes. Food-grade and cosmetic-grade specifications are both commercially available to meet specific industry requirements and safety protocols.

Food-grade material conforms to relevant purity standards for use as a direct food additive. Typical commercial offerings are standardized for active content and pH compatibility across a broad range of formulation systems.

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Physical Properties

FormSolid
Log P6.264 (est)

Safety & Handling

Warning GHS07 Hazard Statements H319 Causes serious eye irritation H412 Harmful to aquatic life with long lasting effects Precautionary Statements P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Other Names

L-Glutamic acidN-(1-oxooctadecyl)-monosodium salt | Sodium N-stearoyl L-glutamate | 65A9F4P024 | Sodium N-(1-oxooctadecyl)-L-glutamate | Acylglutamate HS-11 | EUMULGIN SG | N-(1-Oxooctadecyl)-L-glutamic acidmonosodium salt | L-Glutamic acidN-(1-oxooctadecyl)-sodium salt (1:1)

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Chemical Properties

CAS Number
38517-23-6
EC Number
253-980-9
Mol. Weight
435.6

Industries

Documentation