Description

tert-Butyl Hydrogen Phthalate is a versatile organic intermediate and protecting group reagent. This compound is valued for its role in synthetic organic chemistry, particularly in the controlled synthesis and modification of complex molecules. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for process development and fine chemical production.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs.
• Carboxyl Protecting Group: Used to temporarily protect carboxylic acid functionalities during multi-step synthetic sequences.
• Polymer Modification: Serves as a monomer or modifier in the production of specialized polyesters and resins.
• Agrochemical Synthesis: Intermediate in the manufacture of certain herbicides and plant growth regulators.
• Dye and Pigment Production: Used in the synthesis of phthalate-based colorants.
• Research & Development: Essential reagent in academic and industrial R&D labs for method development and chemical exploration.

Basic Information

Product Name	tert-Butyl Hydrogen Phthalate
CAS No.	33693-84-4
Molecular Formula	C12H14O4
Molecular Weight	222.24 g/mol
Synonyms	tert-Butyl Hydrogen Phthalate; 2-(tert-Butoxycarbonyl)benzoic Acid; Mono-tert-butyl Phthalate; 1,2-Benzenedicarboxylic Acid, Mono(1,1-Dimethylethyl) Ester; Phthalic Acid Mono-tert-butyl Ester; TBHP; t-Butyl Hydrogen Phthalate
EINECS	Contact for details

Quality Control

Our tert-Butyl Hydrogen Phthalate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including purity assay and impurity profiling, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 100 °C
Loss on Drying	≤ 0.5%

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