Name: Eastman Isobutyric Anhydride
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Eastman Isobutyric Anhydride

High purity (>99.0% assay) ensures consistent reactivity in acylation processes.
Low water content (<0.1%) minimizes hydrolysis and supports stable storage and handling.
Controlled volatility and moderate boiling point (173–175 °C) enable precise process integration in batch and continuous systems.
Excellent solubility in common organic solvents (e.g., chloroform, THF, ethyl acetate) facilitates homogeneous reaction conditions.
Stable under recommended storage conditions (cool, dry, inert atmosphere), supporting extended shelf life.

Typical Applications Of Eastman Isobutyric Anhydride

Synthesis of isobutyrate esters used as flavor and fragrance intermediates.
Acylation agent for pharmaceutical active ingredient (API) modification, including prodrug synthesis.
Production of specialty polymers and resins requiring branched-chain acyl functionality.
Preparation of agrochemical intermediates, such as herbicidal and fungicidal derivatives.
Chemical synthesis of fine chemicals, including chiral auxiliaries and catalyst ligands.

Chemical Type	Organic anhydride
Product Form	Liquid
Appearance	Colorless to pale yellow clear liquid
Assay (by GC)	≥99.0%
Water Content (KF)	≤0.1%
Boiling Point (760 mmHg)	173–175 °C
Density at 20 °C	0.905–0.915 g/cm³
Refractive Index (n²⁰_D)	1.398–1.402

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