Tsev
Hais Txog Peb
Cov khoom lag luam
Dab Neeg Dub
Dab Neeg Dub BR
Ntsuas Dub B
Sulphur Dub BR Kua
Intermediates
2, 4-Dinitrochlorobenzene
2-Amino-4-nitrophenol
Xov Xwm
Tiv Tauj Peb
Lus Askiv
Tsev
Cov khoom lag luam
Intermediates
2-Amino-4-nitrophenol
2-Amino-4-nitrophenol
Cov tsos mob daj siv lead ua, hmoov, soluble hauv ethanol, soluble me me hauv dej. Cov Khoom Taw Qhia Qhuav ntub pom hmoov zoo siv lead ua kom dawb huv% ≥98.0 ≥80.0 Melting taw tes ≥ ≥138.0 ≥138.0 Cov ntxig nyob hauv HCl% ≤0.1 ≤0.1 Siv Rau kev tsim cov tshuaj dyes thiab tshuaj nruab nrab. Mas siv hauv cov kua qaub daj RH, kua qaub ntsuab 3G, dub BL, BRL, BGL. Packing Fiber hnab hauv-lined nrog lub hnab yas, 25kg net txhua. Mekas ntim yog negotiable.
kev nug
nthuav dav
Ntaus nkag mus nrhiav lossis ESC kom kaw
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