Description

Butylsuccinic Anhydride CAS NO 2035-76-9 is a versatile aliphatic dicarboxylic acid anhydride, serving as a key reactive intermediate in organic synthesis. Its value lies in its bifunctional reactivity, enabling it to act as both an acylating agent and a building block for polymers and specialty chemicals. This product is essential for manufacturers in the polymer, pharmaceutical, and agrochemical industries seeking to develop advanced materials and active ingredients.

Application

• As a curing agent or hardener in epoxy resin systems, imparting flexibility and chemical resistance.
• As a key monomer in the synthesis of polyester resins, alkyd resins, and plasticizers.
• As an intermediate for pharmaceutical actives and agrochemicals, leveraging its reactive anhydride group.
• In the production of corrosion inhibitors and specialty lubricant additives.
• For the synthesis of surfactants and dispersants used in various industrial formulations.
• As a modifier for polymers to enhance specific physical or thermal properties.

Basic Information

Product Name	Butylsuccinic Anhydride
CAS No.	2035-76-9
Molecular Formula	C8H12O3
Molecular Weight	156.18 g/mol
Synonyms	2-Butylsuccinic Anhydride; 3-Butyl-2,5-furandione; 3-Butyldihydro-2,5-furandione; Butylsuccinic Acid Anhydride; NSC 2090; 1-Butylsuccinic Anhydride; Dihydro-3-butyl-2,5-furandione
EINECS	218-004-4

Quality Control

Our Butylsuccinic Anhydride is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Anhydride Content)	≥ 98.0 %
Water Content (KF)	≤ 0.5 %
Acidity (as Succinic Acid)	≤ 1.0 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.