Name: Eastman n-Butyric Anhydride-Kosher n-Butyric Anhydride
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Eastman n-Butyric Anhydride-Kosher n-Butyric Anhydride

Kosher-certified to meet stringent religious dietary compliance requirements for pharmaceutical and food-contact applications.
High chemical purity with low residual acid content, ensuring consistent reactivity in acylation processes.
Optimized hydrolytic stability for extended shelf life under controlled storage conditions.
Low odor profile compared to alternative anhydrides, supporting safer handling in enclosed manufacturing environments.
Manufactured under Eastman’s rigorous quality management system (ISO 9001 certified) with full traceability.

Typical Applications Of Eastman n-Butyric Anhydride-Kosher n-Butyric Anhydride

Synthesis of butyrylated cellulose esters for FDA-compliant food packaging films and coatings.
Production of Kosher-certified pharmaceutical intermediates, including prodrugs and active ingredient derivatives.
Modification of proteins and peptides in biopharmaceutical conjugation processes requiring halal/Kosher alignment.
Preparation of flavor and fragrance esters (e.g., butyrate esters) for use in Kosher-certified food and beverage products.

Chemical Type	n-Butyric anhydride (di-n-butanoic anhydride)
Product Form	Liquid
Appearance	Clear, colorless to pale yellow liquid
Primary Applications	Pharmaceutical intermediates, food-contact polymers, Kosher-certified flavors & fragrances
Key Features	Kosher certified (OU), low residual n-butyric acid, high assay purity
Benefits	Regulatory compliance support, reproducible acylation performance, reduced odor impact in processing
Storage Recommendation	Store under dry, inert atmosphere at 15–25°C; protect from moisture

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E-mail: wangxingqiang@ericwchem.com
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