Description

Thimerosal USP

Thimerosal USP is a high-purity, organomercurial compound used in pharmaceutical formulations as a preservative and antimicrobial agent. Compliant with United States Pharmacopeia (USP) standards, it provides effective protection against bacterial and fungal contamination in multi-dose vaccine vials, ophthalmic, nasal, and topical preparations. Thimerosal
• Is a USP-compliant antimicrobial preservative for pharmaceutical use
• Provides broad-spectrum activity against bacteria and fungi
• Is used in vaccines, ophthalmic, nasal, and topical formulations
• Ensures sterility and extended shelf life of multi-dose pharmaceutical products
• Is manufactured under Good Manufacturing Practice (GMP) certified conditions
• Is supplied with complete regulatory documentation including Certificate of Analysis (CoA) and technical data
Thimerosal USP is chemically designated as Ethyl(2-mercaptobenzoato-S)mercury sodium salt. It appears as a white to off-white crystalline powder, freely soluble in water and alcohol. Its stability and antimicrobial activity make it suitable for sterile and multi-dose preparations requiring long-term preservation.
In pharmaceutical applications, Thimerosal USP is used in:
• Vaccine formulations as a preservative to prevent microbial growth in multi-dose vials
• Ophthalmic and nasal drops for maintaining sterility during repeated use
• Topical antiseptic and disinfectant solutions
• Compounded and research formulations requiring antimicrobial protection
• Laboratory reagents and diagnostic preparations
Thimerosal USP provides broad-spectrum antimicrobial activity at low concentrations, maintaining product integrity and sterility without significantly affecting formulation performance.
CarboMer supplies Thimerosal USP with control over assay, mercury content, water content, and microbial purity. Each batch meets USP monograph specifications and is suitable for regulated pharmaceutical applications.
The material is packaged in sealed, moisture-resistant, tamper-evident containers. Available in laboratory, pilot, and commercial-scale volumes. Minimum order quantities (MOQ), lead times, and documentation, including CoA and SDS, are provided upon request.
Each batch is tested for identity (IR, UV), assay, mercury content, water content, pH, and microbial limits. Certificates of Analysis (CoA), Safety Data Sheets (SDS), and full traceability documentation accompany every shipment.
As with all CarboMer antimicrobial excipients and preservatives, Thimerosal USP is supported by formulation expertise, regulatory guidance, and reliable global supply to ensure safe, effective, and compliant pharmaceutical product development.