Thimerosal

USP/1659000 - United States Pharmacopeia (USP) Reference Standard

Synonym: 2-(Ethylmercuriomercapto)benzoic acid sodium salt; Ethylmercurithiosalicylic acid sodium salt; Mercury-([o-carboxyphenyl]thio)ethyl sodium salt; Sodium ethylmercurithiosalicylate

CAS Number: 54-64-8
Empirical Formula (Hill Notation): C₉H₉HgNaO₂S
Molecular Weight: 404.81
MDL Number: MFCD00013062
Linear Formula: 2-(C₂H₅HgS)C₆H₄CO₂Na
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-1659000-500MG	500 mg	$436.00 1/EA	Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

API family	thimerosal
application(s)	pharmaceutical (small molecule)
format	neat
grade	pharmaceutical primary standard
InChI	1S/C7H6O2S.C2H5.Hg.Na/c8-7(9)5-3-1-2-4-6(5)10;1-2;;/h1-4,10H,(H,8,9);1H2,2H3;;/q;;2*+1/p-2
InChI key	RTKIYNMVFMVABJ-UHFFFAOYSA-L
manufacturer/tradename	USP
mp	234-237 °C (dec.) (lit.)
SMILES string	[Na+].CC[Hg]Sc1ccccc1C([O-])=O
storage temp.	2-8°C

Analysis Note:	These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.
Application:	Thimerosal USP reference standard suitable for use in specified USP compendial quality tests and assays. Also used to prepare standard, standard stock, stock, and system suitability solution during the assay and impurity analysis according to the given below monographs of United States Pharmacopeia (USP):  • Thimerosal • Thimerosal Topical Aerosol   • Thimerosal Tincture   • Thimerosal Topical Solution
Biochem/physiol Actions:	Thimerosal is a sulfhydryl (thiol) oxidizing reagent capable of inhibiting a wide range of sulfhydryl-dependent enzymes and proteins such as PI3-kinase-dependent methionine synthase, glutamate transport receptors, and Na⁺+K⁺ dependent ATPases.
Disclaimer:	As part of the corporationglobal plan to support the Minamata Convention in eliminatingmercury-containing compounds, as of January 2021 customers will be required toprovide an End-Use Declaration. The sales of thimerosal will be restricted forapproved applications only, such as preservative in vaccine manufacturing,preservative in eye cosmetics, research use within academia (excludingpreservation intent) and as reference material only. The product is notintended for use as a biocide under global biocide regulations, including butnot limited to US EPA′s Federal Insecticide Fungicide and Rodenticide Act ,European Biocidal Products Regulation, Canada’s Pest Management RegulatoryAgency, Turkey’s Biocidal Products Regulation,Korea’s Consumer Chemical Products and Biocide Safety Management Act (K-BPR)and others.
General description:	This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia .
Other Notes:	Sales restrictions may apply.

Symbol	GHS06,GHS08,GHS09
Signal word	Danger
Hazard statements	H300 + H310 + H330 - H373 - H410
Precautionary statements	P260 - P262 - P280 - P301 + P330 + P331 + P310 - P302 + P352 + P310 - P304 + P340 + P310
RIDADR	UN 2025 6.1 / PGIII
WGK Germany	WGK 3
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

mp	234-237 °C (dec.) (lit.)
Storage Temp.	2-8°C
UNSPSC	41116107

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