Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Eastman n-Butyric Anhydride

Eastman n-Butyric Anhydride is a high-purity organic reagent from Eastman’s specialty chemical portfolio, widely used in pharmaceutical synthesis, flavor & fragrance esterification, and polymer modification. It offers excellent reactivity, low moisture sensitivity, and consistent batch-to-batch performance—ideal for acylations requiring controlled n-butyryl group transfer.
  • eastman n butyric anhydride_c1276076
  • eastman n butyric anhydride_c1276076

Features Of Eastman n-Butyric Anhydride

  1. High-purity, low-water-content grade optimized for sensitive acylation reactions.

  2. Consistent reactivity and batch-to-batch reproducibility for reliable process control.

  3. Low volatility and favorable handling characteristics compared to lower-molecular-weight anhydrides.

  4. Excellent solubility in common organic solvents including chlorinated hydrocarbons and esters.

  5. Stable under recommended storage conditions (cool, dry, inert atmosphere).

Typical Applications Of Eastman n-Butyric Anhydride

  1. Synthesis of butyrate esters used as flavor and fragrance ingredients.

  2. Production of cellulose butyrate and mixed cellulose esters for specialty films and coatings.

  3. Acylation agent in pharmaceutical intermediate manufacturing (e.g., prodrug derivatization).

  4. Chemical building block for agrochemicals, including herbicide and fungicide precursors.

Specifications Of Eastman n-Butyric Anhydride

Chemical Typen-Butyric anhydride (C8H14O3)
Product FormLiquid
AppearanceColorless to pale yellow clear liquid
Assay (GC)≥ 99.0%
Water Content (KF)≤ 0.15%
Acidity (as n-butyric acid)≤ 0.2%
Boiling Point (760 mmHg)197–199 °C
Density at 20 °C0.955–0.965 g/cm³


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