C9H9HgNaO2S
404.82 g/mol
APIDanger
Thimerosal
CAS54-64-8EC200-210-4
Category
API
Compound Class
Organometallic
Primary Use
Pharmaceutical Raw Material
Thimerosal is an organomercury compound used as an antiseptic and antifungal preservative. It is commonly employed as a preservative in ophthalmic and topical pharmaceutical preparations.
ophthalmic preservativetopical anti-infectivefungicide for cotton seed treatment
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
Safety Reference
Danger
H300Fatal if swallowed
H310Fatal in contact with skin
H330Fatal if inhaled
H301Toxic if swallowed
H360May damage fertility or the unborn child
H372Causes damage to organs through prolonged or repeated exposure
H373May cause damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H317May cause an allergic skin reaction
H370Causes damage to organs
H320Causes eye irritation
H341Suspected of causing genetic defects
H351Suspected of causing cancer
H371May cause damage to organs
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Thimerosal (CAS 54-64-8) is 2852.10.
HS code (international, 6-digit)
2852.10
EU CN code (8-digit)
2852 10 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
sodium (2-carboxylatophenyl)sulfanyl-ethylmercury
InChIKey
RTKIYNMVFMVABJ-UHFFFAOYSA-L
SMILES
CC[Hg]SC1=CC=CC=C1C(=O)[O-].[Na+]
Synonyms (77)
- Thimerosal (JAN/USP)
- Thimerosal, European Pharmacopoeia (EP)
- Thimerosal, United States Pharmacopeia (USP)
- Thimerosal, meets USP testing specifications
- Thiomersal (INN)
- Thiomersal - EP
- Thiomersalum [INN-Latin]
- Tiomersal [INN-Spanish]
- Aeroaid spray
- Elcide 73
- Elcide 75
- Elicide
- Estivin
- Mercurothiolate
- Mercurothiolatum
- Merfamin
- Merphol
- Merseptyl (VAN)
- Merthiolate (TN)
- Merthiolate salt
- Merthiolate sodium
- Mertorgan
- Merzonin
- Merzonin sodium
- Merzonin, sodium salt
- Nosemack
- Sodium merthiolate
- THIOMERSAL [MART.]
- Thimerosal, >=95.0% (Hg)
- Thimerosal, >=97% (HPLC)
- Thimerosal, BioXtra, 97-101%
- Thimerosalate
- Thimerosalum
- Thimerosol
- Thimersalate
- Thiomerosal
- Thiomersal
- Thiomersal CRS
- Thiomersalat
- Thiomersalate
- Thiomersalum
- Tiomersal
- Tiomersale
- Vitaseptol
- Vitaseptol Loesung
- mercurothiolate sodique
- thimerosal
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