2,2′-Dithiosalicylic Acid CAS No. 119-80-2

Pharmaceutical Materials 2025-03-20

It can make thiohydro modification reagent, used as an intermediate of medicine, dyes, fungicides and photoinitiators.

Product Name

2.2′-Dithiosalicylic Acid

Multiple Names

2.2′-Dithiosalicylic Acid;

2.2-Dithiodibenzoic Acid;

2.2-Dithiosalicylic Acid;

DTSA;

Di(2-Carboxyphenyl) Disulphide;

DTDBA;

2.2′-Disulfanediyldibenzoic Acid;

2.2′-Disulfanediyldibenzoate;

2.2′-Dithiodibenzoic Acid

CAS No. 119-80-2

EC No. 204-352-8

MF No. C14H8O4S2

MW No. 304.342

Advantage of 2.2′-Dithiosalicylic Acid 119-80-2

Can improve mildew resistance

It has potential value

It is widely used in demand field

Name 2,2′-Dithiosalicylic acid
Synonyms DTSA
DSTA
DTDBA
2,2-Dithiosalicylic acid
2,2-Dithiodibenzoic acid
2,2′-dithiodibenzoic acid
2,2′-Dithiosalicylic acid
2,2′-dithiobis-benzoicaci
2,2′-dithiobis(benzoicacid)
2,2′-disulfanediyldibenzoate
Thimerosal Related Compound A
di(2-carboxyphenyl) disulphide
2-Hydroxybenzenecarbothioic acid
2,2′-disulfanediyldibenzoic acid
2-Carboxyphenyl disulfide, Bis(2-carboxyphenyl) disulfide, Dithiosalicylic acid
CAS 119-80-2
EINECS 204-352-8
InChI InChI=1/C14H10O4S2/c15-13(16)9-5-1-3-7-11(9)19-20-12-8-4-2-6-10(12)14(17)18/h1-8H,(H,15,16)(H,17,18)/p-2
InChIKey LBEMXJWGHIEXRA-UHFFFAOYSA-N

​Physico-chemical Properties

Molecular Formula C14H10O4S2
Molar Mass 306.36
Density 1.4555 (rough estimate)
Melting Point 287-290°C(lit.)
Boling Point 416.97°C (rough estimate)
Flash Point 252°C
Water Solubility insoluble
Solubility DMSO (Slightly), Methanol (Slightly)
Vapor Presure 0Pa at 25℃
Appearance White powder
Color Brown
BRN 2221810
pKa 3.02±0.36(Predicted)
Storage Condition Refrigerator
Refractive Index 1.4950 (estimate)
MDL MFCD00002465
Physical and Chemical Properties Melting point 287-290°C
boiling point 300.5°C
flash point 244°C
yellowish crystalline powder
Use Used as intermediates in pharmaceuticals, dyes, fungicides and photoinitiators