Welcome: Hebei Dekuo Biotechnology Co., Ltd
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Direct Black 38 / Direct Black EX
C.I. 30235
CAS NO.: 1937-37-7
Molecular formula: C34H25N9Na2O7S2
Packing：25Kg/DR
Used for dyeing cotton, silk, ink etc
Contact: Iris
Phone: +86-311-85235829
Tel: +86-311-85235829
Email: iris@chemicals-biology.com
Add: No.508 Zhongshan East Road,Chang'An District,Shijiazhuang,Hebei,China
Manager