Methyl tin heat stabilizer DX-181 is not organic tin 181?
The earliest domestic methyl tin is Rohm and Haas products, TM-181 is the main product of Rohm and Haas, then the domestic imitation of other products, generally take the name 181, such as cloud tin is called YX-181.
The DX-181 you say, may be Dongxu's methyl mercaptan tin, DX-181.
What you are asking is not organic tin 181, this question, I do not directly answer.
At present, the domestic market, 181, generally refers to the methyl mercaptan tin.
Tin content of 19 or more is 181
I do not know if such an answer has helped you.
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