Diisobutyl succinate (CAS: 925-06-4) is a dicarboxylic acid ester synthesized through the esterification of succinic acid with isobutanol. As a clear, colorless, and oily liquid, it belongs to the succinate ester family, which is increasingly prioritized in “green chemistry” due to its excellent biodegradability and low toxicity profile. In modern industrial applications, it serves as a sophisticated alternative to traditional phthalate plasticizers, offering a more favorable regulatory and toxicological standing, particularly for consumer-facing products.
The molecule’s branched aliphatic structure provides unique physical properties, including a high boiling point and low volatility, which are essential for its role as a high-performance solvent and coalescing agent. Beyond its functional utility in polymers, diisobutyl succinate is valued in the flavor and fragrance industries for its mild odor and fixative properties. Its ability to act as a versatile chemical intermediate makes it a foundational component in the synthesis of specialty chemicals, pharmaceuticals, and high-end lubricants.
* Functions as an effective plasticizer for PVC, PVB, and cellulose acetate.
* Serves as a powerful solvent for nitrocellulose, oils, fats, resins, and gums.
* Features a low volatile organic compound (VOC) content and is biodegradable.
* Boasts high purity (minimum 99%) and excellent clarity with very low color.
* Acts as a versatile intermediate in chemical, pharmaceutical, and pesticide synthesis.
* Enhances formulations across coatings, inks, adhesives, and sealants.
* Presents a mild ester odor and a non-toxic profile for safer handling.
* Suitable for use as a fragrance ingredient in various personal care products.
* Appearance: Clear, colorless liquid
* Odor: Mild ester odor
* Purity (GC): Min. 99.0 %
* Water Content (KF): Max. 0.1 %
* Acid Value (mg KOH/g): Max. 0.1
* Color (APHA): Max. 10
* Specific Gravity (20/20 °C): 0.963 – 0.967
* Refractive Index (nD20): 1.432 – 1.434
* Boiling Point (°C): 245 – 247
* Flash Point (COC, °C): 112
* Serves as a high-efficiency solvent in various cleaning products, including household cleaners, industrial degreasers, and paint removers.
* Functions as an effective coalescing agent in emulsion paints and as a solvent in diverse industrial coatings.
* Utilized as a plasticizer in plastics and elastomers, suitable for food contact applications due to its low toxicity.
* Acts as a vital solvent component in the formulation of many adhesives.
* Employed in cosmetics and personal care products as a solvent, emollient, and humectant for items like perfumes, creams, and sunscreens.
* Used as a solvent for active ingredients in various agricultural chemical formulations.
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