Product Name: Thiodiglycolic acid 
Synonyms: Thiodiacetic acid; thiodiglycollic acid; 2,2-Mercaptodiacetic acid; (carboxymethylthio)aceticacid; 2,2’-thiobis-aceticaci; 2,2’-thiodiethanoicacid; beta,beta’-thiodiglycolicacid; dicarboxymethylsulfide; thiodi(acetic; thiodi-aceticaci; usafcb-36; 2,2'-sulfanediyldiacetic acid; 2,2'-sulfanediylbis(hydroxyacetic acid); 2,2'-sulfanediyldiacetate; 2,2-Thiodiglycolic acid 
CAS RN.: 123-93-3 
EINECS: 204-663-9 
Molecular Weight: 148.1383 
Molecular Formula: C₄H₄O₄S
Melting Point(℃): 128-131℃ 
Boiling Point(℃): 377°C at 760 mmHg 
Flash Point(℃): 181.8°C