High Quality Succimer CAS 304-55-2 Dmsa Meso-2, 3-Dimercaptosuccinic Acid

• CAS No.: 304-55-2
• Formula: C4h6o4s2
• EINECS: 206-155-2
• Carboxyl No.: Dicarboxylic Acid
• Alkyl No.: Unsaturated Acid
• Appearance: Powder
• Model NO.: Surest-1
• Source: Oxidation
• Colour: White
• Melting Point: 196-198 ºC
• Shelf Life: 2 Years
• pH: 2.5~3
• Assay: 98.5%Min
• Transport Package: 5 Kg, 10kg Cartons
• Specification: 98.5%min
• Trademark: Surest
• Production Capacity: 1000 Kg Yearly

Product Description

 

Name	Succimer
Synonyms	meso-2,3-Dimercaptosuccinic acid; DMSA
Molecular Structure
Molecular Formula	C4H6O4S2
Molecular Weight	182.22
CAS Registry Number	304-55-2
EINECS	206-155-2

Melting point	196-198 ºC (dec.)

 

Tests	Specification
Characteristics	White to off white crystalline powder,has a special garlic-smelling.Slightly soluble in ethanol and almost insoluble in water.
Assay(Calculated on the dried basis)	≥ 98.5%
Melting point	190~194°C,simultaneous decomposition during melting.
Identification	1,It should be generate light yellow precipitate. 2,The solution should show purplish red. 3,It should be infrared absorption pattern contrast pattern(spectral set 14 figure)consistent.
PH	2.5~3.0
Loss on drying	≤1.0%
Residue on ignition	≤0.1%
Heavy metals	≤ 10 ppm
Related substances	≤1.5%
Solvent residue	Ethanol:≤ 0.5%
Microbial limits	Should be meet the requirements.