Applications of DL-Ethyl 2-Bromobutyrate in Industrial Manufacturing

DL-Ethyl 2-Bromobutyrate serves as a key intermediate in several industrial sectors due to its reliable reactivity and compatibility with established synthesis protocols. Our facility supplies this compound to downstream manufacturers with stringent demand for controlled quality and batch consistency.

1. Pharmaceutical Synthesis: Chiral Drug Intermediate Production

This material plays a critical role in enantioselective synthesis of active pharmaceutical ingredients, particularly in β-amino acid derivatives and intermediates for cardiovascular drugs. Process chemists incorporate it in early-stage coupling reactions, driving chiral building block construction with controlled impurity profiles. Uptake occurs primarily in facilities adhering to global pharmacopoeia standards and stringent traceability requirements.

Industry compliance standards

• ICH Q7 Good Manufacturing Practice (GMP) for Active Pharmaceutical Ingredients
• U.S. Pharmacopeia (USP) standards if used in FDA-regulated APIs
• EU GMP guidelines: EudraLex Volume 4
• Chinese Pharmacopoeia standards for local pharmaceutical production

Typical usage ratio

• Applied at 1.0–1.3 molar equivalents as an alkylating agent relative to the target amine or nucleophile substrate
• Adjustment based on desired enantiomeric purity and batch size

Downstream process integration

• Integrated in solution phase or solid phase synthesis after substrate activation
• Used in N-alkylation and subsequent hydrolysis steps in multistage pharmaceutical routes
• Requirement for in-process control (IPC) of residual bromide content

Final product types

• Enantiomerically pure amino acid derivatives
• Precursor substances for cardiovascular and CNS medications
• Synthesis intermediates for peptide-based APIs

2. Agrochemical Intermediate Manufacturing

Our product enters formulation as a brominated alkylating agent within crop protection chemical synthesis. It supports key steps in building heterocyclic rings for selective herbicides and insecticides. Manufacturers rely on high-purity grades to assure downstream active ingredient efficacy and environmental compliance, requiring tight batch QC and analytics.

Industry compliance standards

• FAO/WHO Technical Specifications for Pesticides
• REACH (EC 1907/2006) registration for European market access
• GB 2763 Maximum Residue Limits for Pesticides in China
• ISO 9001 quality management certification for supply chain traceability

Typical usage ratio

• Ranges from 0.8 to 1.2 equivalents per condensation or cyclization unit operation
• Adjustment according to substrate reactivity and target concentration of finished active ingredient

Downstream process integration

• Charged in the bromination or alkylation step before main ring closure or functionalization
• Monitored for conversion efficiency and low byproduct formation

Final product types

• Herbicide intermediates (e.g., brominated butyrate scaffolds for HPPD-inhibiting herbicides)
• Insecticide precursors targeting high-impact pests
• Precursor blocks for fungicide active ingredients

3. Flavors and Fragrance Ingredient Synthesis

Flavor and aroma compound producers utilize this brominated ester to introduce unique branched-chain motifs into synthetic aroma compounds, particularly in fruity and dairy profiles. High-purity, food-grade raw material compliance is critical, and batch-to-batch compositional stability affects final olfactory notes. Process lines require dedicated QC release and allergen control.

Industry compliance standards

• U.S. FDA 21 CFR 172.515 for synthetic flavoring substances
• European Union Regulation (EC) No 1334/2008 on flavoring substances
• Food Chemicals Codex (FCC) guidelines
• IFRA Standards for fragrance ingredient safety

Typical usage ratio

• Employed at 0.2–1.0% w/w with respect to the final compound mixture, depending on target flavor intensity
• Lower ratios preferred for high-potency or critical aroma nodes

Downstream process integration

• Charged in the alkylation or esterification stage for synthetic aroma creation
• Feeds into purification and flash distillation prior to blending

Final product types

• Food-grade esters and synthetic aroma concentrates
• Dairy and fruit flavor emulsions
• Intermediate bases for perfumery aldehydes and lactones

4. Fine Chemicals: Specialty Polymer Additive Production

Polymers and plastics producers use DL-Ethyl 2-Bromobutyrate as a controlled-chain transfer agent or as a precursor for graft copolymer modifiers. It finds application in the modification of acrylic and vinyl polymer backbones, driving property enhancement in specialty engineering plastics. The traceability and impurity profile directly influence the mechanical and chemical resistance of downstream materials.

Industry compliance standards

• ISO 9001 and ISO 14001 (environmental) management systems
• US EPA Chemical Data Reporting for industrial polymer ingredients
• EU Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH)
• ASTM D256 and D638 for final polymer product integrity

Typical usage ratio

• Usually compounded at 0.5–2.0% by weight during polymerization
• Ratio varies according to targeted copolymer structure and desired material properties

Downstream process integration

• Introduced during solution or emulsion polymerization stages as a functional initiator or chain transfer unit
• Acts in line with batch or semi-continuous operation, monitored for end-group conversion

Final product types

• Impact-modified acrylic resins
• Thermoplastic elastomer blends
• Functionalized polymer beads for advanced material applications