Product Name and CAS Number

2 Acetyl pyrrole 1 (1H pyrrol 2 yl) ethanone | CAS 1072 83 9

One Line Sourcing Position

High purity 2 Acetyl pyrrole for flavor and fragrance applications and heterocyclic synthesis.

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Specification

Purity by GC: 99.0 percent minimum, typical batch 99.2 to 99.6 percent
Appearance: Off white to pale beige crystalline powder
Melting point: 88 to 92 deg C
Loss on drying: 0.50 percent maximum
Residue on ignition: 0.10 percent maximum
Water content Karl Fischer: 0.30 percent maximum
Assay by titration: 98.5 to 101.0 percent on dry basis
Heavy metals: Less than 10 ppm
Single maximum impurity: 0.30 percent by GC
Stock Status: In Stock in US warehouse and China hub

Available Quantity and Lead Time

Regular supply: 100 g to 5 metric tons per shipment
Lead time: 3 to 5 days for standard packaging; bulk orders require 10 to 14 days

Document Support

COA SDS HPLC chromatogram NMR spectrum Mass spectrum MS available upon request

Application

2 Acetyl pyrrole is a naturally occurring Maillard reaction product found in roasted coffee, cocoa, bread crust, and cooked meat. In the flavor industry, it imparts nutty, roasted, and sweet caramel like notes with hints of bread and popcorn, making it a valuable ingredient for coffee, hazelnut, peanut, and tobacco flavors. It is also used to enhance savory profiles in bouillons and seasonings. In fragrance compounding, 2 acetyl pyrrole contributes warm, nutty, and slightly earthy undertones for oriental and gourmand perfumes. The compound serves as a building block in the synthesis of pharmaceutical intermediates, particularly for certain antiviral and antitumor agents that contain the pyrrole scaffold. In agrochemical research, it is used to prepare pyrrole based fungicides and insecticides. Additionally, 2 acetyl pyrrole is employed in the synthesis of porphyrins, calixpyrroles, and other macrocyclic compounds for supramolecular chemistry and sensor applications. It also acts as a starting material for the preparation of pyrrole carboxylic acids and their derivatives via oxidation. Academic laboratories use it as a reference standard for heterocyclic aroma compound analysis by GC MS.

Custom Synthesis Support

We offer custom synthesis for 2 acetyl pyrrole derivatives including N alkylated, halogenated, and reduced (pyrrolidine) analogs. Share your technical datasheet for feasibility review.

Packaging and Shipping

Available in 25 g, 100 g, 500 g, 1 kg, or 25 kg fiber drums with polyethylene inner liner. Custom packaging such as double sealed aluminum foil bags under nitrogen is supported. Fastest dispatch within 7 days after order confirmation. Store in a cool, dry place away from light. Non hazardous under normal transport conditions.

Why XinChem

XinChem provides 2 acetyl pyrrole with strict control of purity and color for US customers. Our ISO 9001 certified facility monitors every batch by GC and melting point analysis, ensuring consistent organoleptic quality for flavor applications. We maintain a buffer stock of 1 metric ton in US warehouses for emergency deliveries within 48 hours. Each order includes a full documentation package: COA, SDS, GC chromatograms, and NMR spectra accessible through our online portal. Our technical support team assists with stability studies, purity optimization, and regulatory compliance including FEMA GRAS (where applicable), TSCA, and EINECS. For contract customers, we offer quarterly price locks and consignment inventory to reduce supply chain risk. Trusted by over 80 flavor and fragrance companies and research institutions in North America. We also provide free sample evaluation for qualified R&D projects and a price match guarantee against any valid competitor quote for equivalent quality.

FAQ

Q1 How should 2 acetyl pyrrole be stored?
A Store in a cool, dry place in tightly closed containers. Protect from light and moisture. Shelf life is 24 months under recommended conditions.

Q2 What purity grades do you supply?
A Standard grade is 99.0 percent by GC. We also supply 99.5 percent grade for pharmaceutical intermediate and certified reference standard applications.

Q3 Is 2 acetyl pyrrole soluble in common solvents?
A Soluble in ethanol, ethyl acetate, acetone, and DMSO. Slightly soluble in water.

Q4 Do you provide sample quantities for flavor evaluation?
A Yes, free samples of 25 g are available for qualified US companies. Shipping fee applies for small quantities.

Q5 Can you supply larger custom packaging for industrial use?
A Yes, we can package in 10 kg or 20 kg drums. Please inquire for bulk quantities.

Q6 What is the typical impurity profile?
A Main impurities are 2 formyl pyrrole and 2 methyl pyrrole, each below 0.2 percent. Full impurity data provided with each lot.