thauj khoom

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Direct Yellow 86

3-Aminonaphthalene-1,5-disulfonic acid diazo, andm-Toluidine coupling, nws cov khoom (2 Moore) thiab 2,4,6-Trichloro-1,3,5-triazine condensation chlorine, thiab tom qab ntawd nrog 2-Aminoethanol cov tshuaj tiv thaiv.

Muaj:
Nug

Specification

Tiv tauj peb
TSEV