2-Methylpropanoyl chloride

Name: Shanghai Blue Aurora Fine Chemical Technology Co., Ltd.
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CAS 79-30-1

HS 29159080

Product name: 2-Methylpropanoyl chloride
CAS No.: 79-30-1
Molecular formula: C4H7ClO
Applications:
Core Industrial Applications
1. UV-curing photoinitiators (largest demand)
Friedel–Crafts reaction to prepare 2-hydroxy-2-methyl-1-phenylpropanone, the core intermediate of PI-906 and PI-907 high-efficiency general-purpose UV photoinitiators for coatings, inks and 3D-printing resins.
2. Pharmaceutical intermediates
• Dedicated acylation reagent for nucleoside and peptide synthesis; modifies amino and hydroxyl groups
• Side-chain feedstock for anti-inflammatory and CNS drugs; isobutyl branch optimizes drug lipophilicity and metabolic stability
3. Agrochemicals
Intermediate for fungicides and herbicides; introduction of isobutyryl group enhances systemic translocation in crops.
4. Fragrances & polymer additives
• Synthesis of isobutyrate fruit fragrances (ethyl isobutyrate, isoamyl isobutyrate) for strawberry and pineapple profiles
• Feedstock for low-temperature polymerization initiators and textile amide-type surfactants

Supplied by Shanghai Blue Aurora Fine Chemical Technology Co., Ltd. — flexible MOQ, mixed shipments, worldwide delivery.