MedPath

Thimerosal

Generic Name
Thimerosal
Drug Type
Small Molecule
Chemical Formula
C9H9HgNaO2S
CAS Number
54-64-8
Unique Ingredient Identifier
2225PI3MOV

Overview

Thiomersal (INN), commonly known in the U.S. as thimerosal, is an organomercury compound. This compound is a well-established and widely used antiseptic and antifungal agent. Developed in 1927, thimerosal has been and is still being used as a preservative in some cosmetics, topical pharmaceuticals, and biological drug products, which includes vaccines. There has been significant concern regarding its safety and toxicity in the last several decades. Although thimerosal is banned in several countries, it continues to be included as a preservative in some vaccines in the United States and many vaccines in the developing world .

Indication

Used as preservative in some cosmetics, topical pharmaceuticals, and biological drug products, which includes vaccines .

Associated Conditions

No associated conditions information available.

FDA Drug Approvals

Approved Product
Manufacturer
NDC Code
Route
Strength
Effective Date
The Wellness Center for Research and Education, Inc.
50181-0031
ORAL
30 [hp_C] in 1 mL
5/28/2025

EMA Drug Approvals

Approved Product
Authorization Holder
Status
Issued Date
No EMA approvals found for this drug.

HSA Drug Approvals

Approved Product
Manufacturer
Approval Number
Dosage Form
Strength
Approval Date
No HSA approvals found for this drug.

NMPA Drug Approvals

Approved Product
Company
Approval Number
Drug Type
Dosage Form
Approval Date
No NMPA approvals found for this drug.

PPB Drug Approvals

Approved Product
Registration No.
Company
Licence No.
Strength
Registration Date
No PPB approvals found for this drug.

TGA Drug Approvals

Approved Product
ARTG ID
Sponsor
Registration Type
Status
Registration Date
No TGA approvals found for this drug.

Health Canada Drug Approvals

Approved Product
Company
DIN
Dosage Form
Strength
Market Date
WELDERS EYE EASE
canadian custom packaging company
00309672
Liquid - Ophthalmic
4.07 %
12/31/1965
TRUE TEST
02271885
Patch - Topical
0.0065 MG
3/16/2006

CIMA AEMPS Drug Approvals

Approved Product
Company
Registration Number
Pharmaceutical Form
Prescription Type
Status
TRUTEST 36 APOSITO ADHESIVO PARA PRUEBA DE PROVOCACION CON ALERGENOS
85395
APÓSITO ADHESIVO PARA PRUEBA DE PROVOCACIÓN CON ALERGENOS
Medicamento Sujeto A Prescripción Médica
Commercialized
EPITEST 24 APOSITO ADHESIVO PARA PRUEBA DE PROVOCACION CON ALERGENOS
81160
APÓSITO ADHESIVO PARA PRUEBA DE PROVOCACIÓN CON ALERGENOS
Medicamento Sujeto A Prescripción Médica
Not Commercialized

Philippines FDA Drug Approvals

Approved Product
Company
License Number
Dosage Form
Strength
Approval Date
No Philippines FDA approvals found for this drug.

Saudi SFDA Drug Approvals

Approved Product
Company
License Number
Dosage Form
Strength
Approval Date
No Saudi SFDA approvals found for this drug.

Malaysia NPRA Drug Approvals

Approved Product
Company
Registration Number
Dosage Form
Strength
Approval Date
No Malaysia NPRA approvals found for this drug.

UK EMC Drug Information

Medicine Name
MA Holder
MA Number
Pharmaceutical Form
Active Ingredient
Authorization Date
No UK EMC drug information found for this drug.

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