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| Address : Hou Zhugezhuang, Fangshan St.,Fangshan district,
Beijing, China
Postal Code : 102400
Chairman : Zhang Zhenying
+86-10-69328752
Fax : +86-10-69328763
Tel : +86-10-69328752
Sale Dept. : Li Zhenhai
+86-10-69328630
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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 |
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