3,3'-Thiodipropionic acid CAS NO.111-17-1

Thiopropionic acid TDPA CAS-NO : 111-17-1 Chemical name : 3,3-Thiodipropionic acid(3,3-Thiodipropionic acid) Trade name : TDPA Molecular formula…

Thiopropionic acid TDPA CAS-NO : 111-17-1 Chemical name : 3,3-Thiodipropionic acid(3,3-Thiodipropionic acid) Trade name : TDPA Molecular formula : C6H10O4S Use: Chemical intermediates Specification : No. Item Specification Testing method 1 Appearance White granules to powder Eye measurement 2 Color of solution(Pt-Co#) ≤ 40 GB 605-77 3 Melting point 128°C~ 134 °C QB/YZWY-02 4 Acid number 623mgKOH/g~630mgKOH/g GB/T 14827-93 5 Ash content(wt%) ≤ 0.3 % GB 7531-87 6 Iron content(mg/Kg) ≤ 10.0 μ g/g GB 3049-86 7 Sulfate content(wt%) ≤ 0.3 % QB/YZWY-02 8 Ammonium content(wt%) ≤ 0.03 % QB/YZWY-02 9 Heating loss(wt%) ≤ 0.4 % GB 12010.4-89 10 Purity(wt%) ≥ 99.0 % QB/YZWY-02