meso-2,3-Dimercaptosuccinic acid, 97%, Thermo Scientific Chemicals

Description

It is applied as a selective masking agent and chelating agent for cadmium in EDTA titration of zinc.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
It is applied as a selective masking agent and chelating agent for cadmium in EDTA titration of zinc.

Solubility
Soluble in water, and ethanol (25 mg/ml, results in colorless to light yellow, clear).

Notes
Store away from oxidizing agents. Keep the container tightly closed and place it in a cool, dry and well ventilated condition.

Specifications

Chemical Identifiers

• CAS: 304-55-2
• Molecular Formula: C4H6O4S2
• Molecular Weight (g/mol): 182.208
• MDL Number: MFCD00064799
• InChI Key: ACTRVOBWPAIOHC-XIXRPRMCSA-N
• Synonym: succimer, meso-2,3-dimercaptosuccinic acid, meso-dimercaptosuccinic acid, dmsa, dim-sa, 2r,3s-rel-2,3-dimercaptosuccinic acid, succimero, succimerum, chemet, dimercaptosuccinic acid
• PubChem CID: 2724354
• ChEBI: CHEBI:63623
• IUPAC Name: (2S,3R)-2,3-bis(sulfanyl)butanedioic acid
• SMILES: C(C(C(=O)O)S)(C(=O)O)S

• Melting Point: ∼196°C (decomposition)
• Quantity: 5 g
• Beilstein: 1725150
• Sensitivity: Air Sensitive
• Merck Index: 14,8865
• Solubility Information: Soluble in water,and ethanol (25mg/ml,results in colorless to light yellow,clear).
• Formula Weight: 182.22
• Percent Purity: 97%
• Chemical Name or Material: meso-2,3-Dimercaptosuccinic acid

Safety and Handling

Hazard Category	H315-H319-H335-H361
Hazard Statement	GHS H Statement H361-H315-H319-H335 Suspected of damaging fertility or the unborn child. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statement	P201-P202-P261-P264b-P271-P280i-P281-P302+P352-P304+P340-P305+P351+P338-P308+P313-P332+P313-P362-P501c
EINECSNumber	206-155-2
RTECSNumber	WM7650000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only