一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

Leuco Sulphur Brown 5

Leuco Sulphur Brown 5 Struktur
CAS-Nr.
Englisch Name:
Leuco Sulphur Brown 5
Synonyma:
Leuco Sulphur Brown 5;C.I.Leuco Sulphur Brown 5:C.I.53245
CBNumber:
CB79703422
Summenformel:
Molgewicht:
0
MOL-Datei:
Mol file

Leuco Sulphur Brown 5 Eigenschaften

Sicherheit

Leuco Sulphur Brown 5 Chemische Eigenschaften,Einsatz,Produktion Methoden

synthetische

(1) 4-(2,4-Dinitrophenylamino)phenoland Sodium hydroxide and water is heated to 105 ℃, then add glucose, Sodium sulfide, sulphur and a small amount of Copper sulfate monohydrate, short time boiling, in 20 hours heating to 260 ~ 270 ℃ and roasting 6 hours; (2) (1) the improvement and Sodium hydroxide solution after boiling, with acid precipitation generated degradation products and filtering, will the paste which add to the above Sodium polysulfide solution. Molten material of save glucose also can get similar dye. Further change the above operation process is to use4-(2,4-Dinitrophenylamino)phenol(by2-Aminophenoland1-Chloro-2,4-dinitrobenzeneobtained) instead of4-(2,4-Dinitrophenylamino)phenol.

Properties and Applications

dark brown. Black gray powder. Part of the soluble in water, moderate soluble in sodium sulfide solution, for the red light brown. In concentrated sulfuric acid to dark brown. Dyeing content in alkaline insurance powder solution for yellow brown, oxidation to recover to the original colour and lustre; Sodium hypochlorite solution in almost all fade, join concentrated sulfuric acid color darker.
Standard Acid Resistance Alkali Resistance Light Fastness Fulling Persperation Fastness Soaping
Moderate Severe
ISO 3-4 3-4 4 3-4 4 3

Leuco Sulphur Brown 5 Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


Leuco Sulphur Brown 5 Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

Global( 0)Lieferanten
Firmenname Telefon E-Mail Land Produktkatalog Edge Rate
Copyright 2019 ? ChemicalBook. All rights reserved
芦山县| 西贡区| 黔南| 姚安县| 郓城县| 女性| 清河县| 富锦市| 永泰县| 石棉县| 扬州市| 平和县| 仙桃市| 东平县| 海兴县| 丰台区| 房产| 聂拉木县| 镇平县| 德化县| 乐至县| 丰县| 曲阳县| 聂拉木县| 枞阳县| 罗田县| 武强县| 涿鹿县| 嘉荫县| 贵德县| 尤溪县| 读书| 巴彦县| 伽师县| 凭祥市| 衢州市| 镇巴县| 无锡市| 平江县| 晋州市| 崇明县|