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meso-2,3-Dimercaptosuccinic acid

CAS 304-55-2 HO2CCH(SH)CH(SH)CO2H MW 182.22 In stock

Meso-2,3-dimercaptosuccinic acid is a chelating agent used in the treatment of heavy metal poisoning and as a research reagent in biochemistry. It is a white to off-white crystalline powder with the molecular formula HO2CCH(SH)CH(SH)CO2H, a molecular weight of 182.22 g/mol, and a CAS number of 304-55-2. It must be stored at -15 to -20 °C and is classified with a warning signal word. Molekula supplies meso-2,3-dimercaptosuccinic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Meso-2,3-dimercaptosuccinic acid is a chelating agent used in the treatment of heavy metal poisoning and as a research reagent in biochemistry. It is a white to off-white crystalline powder with the molecular formula HO2CCH(SH)CH(SH)CO2H, a molecular weight of 182.22 g/mol, and a CAS number of 304-55-2. It must be stored at -15 to -20 °C and is classified with a warning signal word. Molekula supplies meso-2,3-dimercaptosuccinic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance White crystalline powder
Assay/Purity ≥98.5%
Melting Point 190°C
Heavy metals ≤10ppm
pH 2.5 - 3
Loss on Drying ≤0.5%
Residue on Ignition ≤0.1%
Identification (IR) Conforms to reference

Storage & handling

Property Value
Storage Temperature -15 to -20 °C
Shelf Life 24 months
Acidity Acid

Identification

Property Value
CAS Number 304-55-2
Molecular Formula HO2CCH(SH)CH(SH)CO2H
Molecular Weight 182.22
SMILES [C@@H]([C@@H](C(=O)O)S)(C(=O)O)S
REACH Code Y110
TSCA Listed Yes
HTS Code 2930.90.4920
Tariff Code 2930909599

Safety & GHS

Warning
  • GHS pictogram — Explosive Explosive GHS01
  • GHS pictogram — Flammable Flammable GHS02

Hazard statements

  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation
  • H361 Suspected of damaging fertility or the unborn child

Precautionary statements

  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P263 Avoid contact during pregnancy/while nursing
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P302+352 IF ON SKIN: Wash with soap and water
  • P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

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

It is primarily used as a chelating agent in the treatment of heavy metal poisoning and in research applications involving metal coordination.

What is the chemical formula and molecular weight of meso-2,3-Dimercaptosuccinic acid?

The formula is HO2CCH(SH)CH(SH)CO2H with a molecular weight of 182.22 g/mol.

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

It should be stored at temperatures between -15 and -20 °C to maintain stability and prevent degradation.

What grade is available for this product?

Molekula supplies meso-2,3-Dimercaptosuccinic acid in analytical grade.

Can Molekula supply this compound in bulk?

Yes, Molekula can supply meso-2,3-Dimercaptosuccinic acid in bulk quantities—please contact sales for details.

What documentation comes with the order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

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