46084
2,2′-(Ethylenedithio)diacetic acid
≥97.0%
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About This Item
Empirical Formula (Hill Notation):
C6H10O4S2
CAS Number:
Molecular Weight:
210.27
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
1778542
Assay:
≥97.0%
InChI
1S/C6H10O4S2/c7-5(8)3-11-1-2-12-4-6(9)10/h1-4H2,(H,7,8)(H,9,10)
SMILES string
OC(=O)CSCCSCC(O)=O
InChI key
CCQMORVULNZXIA-UHFFFAOYSA-N
assay
≥97.0%
mp
107-110 °C
General description
2,2′-(Ethylenedithio)diacetic acid ((Ethylenedithio)diacetic acid) is a linear aliphatic thiopolycarboxylic acid. Polycondensation reaction of 2,2′-(ethylenedithio)diacetic acid has been reported. Protonation constant of ethylenedithiodiacetic acid has been evaluated from potentiometric measurements in NaCl(aq) and (CH3)4NCl(aq) at 25°C. Dependence of protonation constant on ionic strength has been modeled by the SIT and Pitzer approaches.
Application
2,2′-(Ethylenedithio)diacetic acid ((Ethylenedithio)diacetic acid) has been used in the spectrophotometric titration of mercury(II).
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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Spectrophotometric titration of mercury (II) with ethylenedithiodiacetic acid.
Napoli A and Paolillo M.
Microchimica Acta, 70(3-4), 297-301 (1978)
Modeling of protonation constants of linear aliphatic dicarboxylates containing-S-groups in aqueous chloride salt solutions, at different ionic strengths, using the SIT and Pitzer equations and empirical relationships.
Bretti C, et al.
Journal of Solution Chemistry, 37(6), 763-784 (2008)
Synthesis of polyanhydrides. XI. 1 Synthesis and properties of new polythioetherpolyanhydrides.
Yoda N.
Makromol. Chem., 56(1), 36-54 (1962)
Mavis D Boamah et al.
The journal of physical chemistry. B, 123(27), 5848-5856 (2019-07-02)
Ion specific outcomes at aqueous interfaces remain among the most enigmatic phenomena in interfacial chemistry. Here, charged fused silica/water interfaces have been probed by homodyne- and heterodyne-detected (HD) second harmonic generation (SHG) spectroscopy at pH 7 and 5.8 and for
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