Description

Dipropyl 2,2'-Dithiobisbenzoate is a specialized organic sulfur compound with the CAS number 81050-08-0. This chemical is valued for its role as a versatile intermediate and functional additive in advanced synthesis and material science. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and polymer industries for applications requiring sulfur-based cross-linking or antioxidant properties.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, particularly those requiring disulfide linkages or thiol-protecting groups.
• Polymer Additive: Functions as a cross-linking agent, antioxidant, or stabilizer in specialty rubber and polymer formulations to enhance durability and thermal resistance.
• Agrochemical Synthesis: Serves as a key building block in the production of certain fungicides, herbicides, and plant growth regulators.
• Chemical Research & Development: A valuable reagent for organic synthesis, particularly in reactions involving sulfur chemistry, such as thiol-disulfide exchange.
• Lubricant & Fuel Additive: Employed as an extreme pressure (EP) additive or antioxidant in advanced lubricant and industrial fuel formulations.

Basic Information

Product Name	Dipropyl 2,2'-Dithiobisbenzoate
CAS No.	81050-08-0
Molecular Formula	C20H22O4S2
Molecular Weight	390.51 g/mol
Synonyms	Dipropyl Dithiodibenzoate; 2,2'-Dithiobisbenzoic Acid Dipropyl Ester; Benzoic acid, 2,2'-dithiobis-, dipropyl ester; Bis(2-carboxyphenyl) Disulfide Dipropyl Ester; Propyl 2,2'-Dithiodibenzoate; DPDB; Dithiodibenzoic Acid Dipropyl Ester
EINECS	Contact for details

Quality Control

Our Dipropyl 2,2'-Dithiobisbenzoate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay, impurity profile, and physical characteristics are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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