Acrylic anhydride CAS 2051-76-5

High-Purity Acrylic anhydride CAS 2051-76-5 from Aure Chemical: Stable Supply & Compliance

Acrylic anhydride is a bifunctional anhydride that serves as a versatile reagent in organic synthesis, particularly for introducing acrylate functionality into molecules. It participates readily in esterification and amidation reactions where conventional methods may be less effective. Aure Chemical provides this reactive intermediate to customers engaged in polymer chemistry, specialty chemical manufacturing, and related industrial processes.

Basic Information

CAS No.	2051-76-5
EC No.	218-128-2
Linear Formula	(CH2=CHCO)2O
Molecular Weight	126.11 g/mol
Appearance	Colorless to almost colorless clear liquid
Melting Point	-20 °C (lit.)
Boiling Point	67 °C / 10 mmHg (lit.)
Density	1.08 g/mL at 20 °C (lit.)
RIDADR	UN 1760 Class 8 / PG II (typical reference)
Chemical Structure

Key Applications

• Esterification and amidation reagent: Employed for the preparation of acrylic esters, especially from tertiary alcohols and other sensitive substrates where milder conditions are required.

• Polymer crosslinker in coatings: Used in the formulation of UV-curable coatings, inks, and cross-linked resins to enhance mechanical properties and chemical resistance.

• Intermediate for acrylate derivatives: Serves as a building block for the synthesis of specialty acrylates, acrylamides, and thioesters in fine chemical production.

• Functional polymer modification: Applied in the development of advanced materials where pendant acrylate groups enable further polymerization or grafting reactions.

• Organic synthesis applications: Utilized in laboratory and industrial settings for introducing reactive acrylate moieties into complex molecules for downstream transformations.

Aure Chemical: Your Reliable Partner

High-purity specifications with rigorous QA: We supply acrylic anhydride meeting consistent purity standards suitable for demanding synthetic and polymerization work.

Stable export logistics capability: Established shipping channels support reliable delivery of bulk quantities with appropriate packaging for international customers.

Full SDS, COA and regulatory documentation: Complete safety data sheets, certificates of analysis, and dangerous goods paperwork are available to facilitate compliance and procurement.

Responsive technical and packaging support: Our team provides guidance on safe handling, storage recommendations, and flexible bulk packaging options tailored to specific requirements.

Hazards Classification

GHS Classification: Flammable Liquid Category 4 (GHS02); Acute Toxicity Category 4 (GHS07); Skin Irritation Category 2 (GHS07); Eye Irritation Category 2A (GHS07); Skin Sensitization Category 1A (GHS07); STOT SE Category 3 (GHS07).

Hazard Statements: H227 Combustible liquid. H302 Harmful if swallowed. H315 Causes skin irritation. H319 Causes serious eye irritation. H317 May cause an allergic skin reaction. H335 May cause respiratory irritation.

  

UN Number: UN 1760 | Hazard Class: 8 | Packing Group: II