meso-2,3-Dimercaptosuccinic acid

CAS 304-55-2HO2CCH(SH)CH(SH)CO2HChemical Synthesis

meso-2,3-Dimercaptosuccinic acid (CAS 304-55-2) is a thiol compound with the linear formula HO2CCH(SH)CH(SH)CO2H and a molecular weight of 182.22. It functions as a selective masking agent, notably for cadmium in the EDTA titration of zinc. This sulfur-containing organic building block is supplied by Tech Serve Solutions for chemical synthesis and laboratory applications.

IUPAC: 2,3-Dithio-meso-tartaric acid,DIM-SA,DMS,DMSA,Succimer
Synonyms: 2,3-Dithio-meso-tartaric acidDIM-SADMSASuccimer

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meso-2,3-Dimercaptosuccinic acid (HO2CCH(SH)CH(SH)CO2H) — chemical structure, CAS 304-55-2; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksChemical SynthesisOrganic Building BlocksSulfur CompoundsThiols/Mercaptans

01 /Applications

Analytical Chemistry Reagent

Used as a selective masking agent for cadmium ions in complexometric titrations, particularly within the EDTA titration of zinc. This application is crucial for accurate elemental analysis in various matrices.

Organic Synthesis Building Block

Serves as a versatile building block in organic synthesis due to its dithiol functionality. It can be incorporated into various molecular structures for developing new compounds.

Sulfur Compound Chemistry

Its dithiol group makes it valuable in studies and applications involving sulfur-containing organic molecules and materials.

02 /Properties

Molecular weight	182.22
Linear formula	HO2CCH(SH)CH(SH)CO2H
Assay	~98%
Storage temperature	−20°C
Application	A selective masking agent for cadmium in EDTA titration of zinc.
Melting point	196-198 °C (dec.)(lit.)

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	2

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

304-55-2

MDL number

MFCD00064799

PubChem substance

24894166

Beilstein registry

1725150

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is meso-2,3-Dimercaptosuccinic acid primarily used for?

Its primary documented use is as a selective masking agent for cadmium in the EDTA titration of zinc. It also serves as an organic building block in chemical synthesis.

What is the CAS number and chemical formula for meso-2,3-Dimercaptosuccinic acid?

The CAS number is 304-55-2, and its linear formula is HO2CCH(SH)CH(SH)CO2H.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies meso-2,3-Dimercaptosuccinic acid with an assay of approximately 98%. This product is not represented as USP, BP, EP, or any other pharmacopoeia grade.

How should meso-2,3-Dimercaptosuccinic acid be handled and stored?

Based on its classification (WGK Germany 2), handle with appropriate personal protective equipment including eyeshields and gloves. Store at -20°C as indicated by the supplier. Consult the Safety Data Sheet for detailed hazard information.

How is meso-2,3-Dimercaptosuccinic acid packed and shipped?

Tech Serve Solutions packs and ships fine chemicals, laboratory reagents, and pharmaceutical intermediates globally. Specific packaging details for this product will be provided upon inquiry, adhering to all relevant shipping regulations.

How can I request a quote or sample?

To request a quote or a sample of meso-2,3-Dimercaptosuccinic acid, please contact our sales department via the website or direct contact details provided by Tech Serve Solutions.