色综合久_juliaann与黑人丝袜交_嘿咻漫画网入口在线观看_看片午夜

Post Login	Set as Homepage	Favorites	Site Map

	Hydroquinone Series	more

	Hydroquinone(HQ)
	Para-Benzoquinone(PBQ)
	toluhydroquinone(THQ)
	Manganese carbonate


	Fine Chemicals	more

	2-tert-butylhydroquinone(TBHQ)
	2,5-Di-tert-butylhydroquinone(DTBHQ)

Hydroquinone Series

Product Name: Hydroquinone(HQ)
Package: 25Kg/bag

(1) Photographic Grade
Molecular Formual: 1,4-C₆H₄(OH)₂
Molecular weight: 110.12 (According to the international atomic weight of 1987)
Specification: Content: 99% - 101%
Usage: Generally for photograph, dye, pesticide rubber, chemical industry, medicine, polymer retarder, desulphurization in fertilizer, urea synergist antioxidant, analyse chemical reagent and so.
Packing: 25kg (net weight) kraft paper bag lined with two plastic bags.

(2) Technical Grade
Molecular Formual: 1,4-C₆H₄(OH)₂
Molecular weight: 110.12 (According to the international atomic weight of 1987)
Specification: Content: ≥98.5%
Usage: Generally for photograph, dye, pesticide rubber, chemical industry, medicine, polymer retarder, desulphurization in fertilizer, urea synergist antioxidant, analyse chemical reagent and so.
Packing: 25kg (net weight) kraft paper bag lined with two plastic bags.

[ BACK ]