Description

Sulfuric Acid Hydrogen tert-Butyl Ester is a specialized organosulfur compound used as a versatile reagent and intermediate in advanced chemical synthesis. Its value lies in its unique structure, which combines strong acidic properties with an organic tert-butyl group, making it a critical component for introducing the tert-butylsulfonyl moiety. This product is essential for research and production facilities in the pharmaceutical, agrochemical, and specialty chemical industries, where it serves as a key building block for active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key reagent in the synthesis of active pharmaceutical ingredients (APIs), particularly for introducing sulfonyl protecting groups or as a precursor in heterocyclic chemistry.
• Agrochemical Synthesis: Used in the manufacturing of advanced herbicides, fungicides, and insecticides, where the tert-butylsulfonyl group can enhance biological activity or stability.
• Polymer Chemistry: Acts as a monomer or chain modifier in the production of specialty polymers, including sulfonated polymers for ion-exchange membranes or high-performance materials.
• Organic Synthesis Reagent: Employed in laboratories and pilot plants for various organic transformations, such as sulfonylation reactions, esterifications, and as a source of the tert-butanesulfinyl group.
• Chemical Research: Serves as a valuable reference standard and building block in medicinal chemistry and process development for novel compound libraries.

Basic Information

Product Name	Sulfuric Acid Hydrogen tert-Butyl Ester
CAS No.	17011-26-6
Molecular Formula	C4H10O4S
Molecular Weight	154.19 g/mol
Synonyms	tert-Butyl Hydrogen Sulfate; 2-Methyl-2-propyl Hydrogen Sulfate; tert-Butylsulfuric Acid; tert-Butyl Sulfate (monoester); 1,1-Dimethylethyl Hydrogen Sulfate; TBHS; Sulfuric Acid Mono-tert-butyl Ester; 2-Methylpropyl-2-yl Hydrogen Sulfate
EINECS	241-085-7

Quality Control

Every batch of Sulfuric Acid Hydrogen tert-Butyl Ester is manufactured under strict quality management systems and undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Our products are produced to meet the stringent requirements of industrial and research applications. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications for parameters such as assay, identity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases, oxidizing agents, and moisture. Recommended storage temperature is between 15°C and 25°C. Due to its nature as a strong acid/organic solvent, containers must be kept tightly sealed to prevent absorption of atmospheric moisture and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Related Impurities (HPLC)	≤ 2.0% (total)
Density (at 20°C)	1.10 - 1.20 g/mL

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