Lianyungang Sanjili Chemical Industry Co., Ltd./sell catechol/hydroquinone -

Lianyungang Sanjili Chemical Industry Co., Ltd./sell catechol/hydroquinone

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hydroquinone and catechol
Specification: photo grade /tech grade and 99% min /98%min
Detail: 1). Manu/Selling Hydroquinone Tech/Photo Grade /Un No.2662;Dangerous/Perilous Class:6.1;Cas:123-31-9;H.S. Code:2907.2210 & Catechol 98%min ,99%min;Un No.:2811;Dangerous/Perilous Class:6.1;Cas:120-80-9;H.S. Code:2907.2910 ...


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