SUCCIMER

PRODUCT IDENTIFICATION

CAS NO. 304-55-2

SUCCIMER

EINECS NO. 206-155-2
FORMULA HOOCCH(SH)CH(SH)COOH
MOL WT. 182.21

H.S. CODE

 

TOXICITY

 
SYNONYMS 2,3-Dithio-meso-tartaric acid;
Chemet; DMSA; meso-2,3-Dimercaptosuccinic acid; Succimero;
DERIVATION

 

CLASSIFICATION

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE white crystalline powder
MELTING POINT 196 - 198 C
BOILING POINT

 

SPECIFIC GRAVITY

 

SOLUBILITY IN WATER soluble
pH 2 - 3
VAPOR DENSITY

 

AUTOIGNITION

 

NFPA RATINGS

 

REFRACTIVE INDEX

 

FLASH POINT

 

STABILITY

Stable under ordinary conditions

GENERAL DESCRIPTION & APPLICATIONS

Succimer is a chelating agent used in the treatment of  heavy metal poisoning (arsenic, mercury and lead). It is used to treat Wilson's disease, a genetic disorder in which the body tends to retain copper It is used as a selective masking agent for cadmium in EDTA titration of zinc. Succimer is a white crystalline powder with a characteristic mercaptan odor and taste; melting point 196 - 198 C; administered orally. Dimercaprol is another common heavy metal chelating agent.
SALES SPECIFICATION

APPEARANCE

white crystalline powder

ASSAY

98.0% min

MELTING POINT

196 - 198 C

pH

2 - 3

RESIDUE ON IGNITION

0.5% min

HEAVY METALS

20ppm max

LOSS ON DRYING

1.0% max

TRANSPORTATION
PACKING

 

HAZARD CLASS  
UN NO.  
OTHER INFORMATION
Hazard Symbols: , Risk Phrases: , Safety Phrases: 24/25