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chen jin tian yuan hua gong you gong si in Shenyang | Online-store chen jin tian yuan hua gong you gong si Shenyang (China)

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酚钛
In stock 
 白 色或淡黄色粉末结晶,在空气中稳定。溶于乙醇和碱溶液,在乙醚中略溶,1g溶于12ml乙醇、约100ml乙醚,溶于稀碱溶液呈深红色,极微溶于氯仿,不 溶于水。最大吸收波长(甲醇中)205、229、276nm(ε27261.147、14692.144、2006.369)。最小致死量(大鼠,腹 腔)500mg/kg。有刺激性。 密度:1.299 熔点:260℃~263℃
Group: Phenolphthalein
8-羟基喹啉
In stock 
白色或浅黄色结晶或结晶性粉末,遇光变黑,有石炭酸气味。易溶于醇、丙酮、氯仿、苯和矿酸,几乎不溶于水。半数致死量(小鼠,腹腔)48mg/kg。 熔点:76℃ 沸点:266.6℃  
Group: Oksin (8-oksihinolin)
茜素黄
In stock 
黄色粉末。溶于热水和乙醇,微溶于冷水。水溶液及乙醇溶液呈金黄色,遇浓硫酸呈红黄色,稀释产生绿黄色沉淀,遇浓硝酸呈黄琥珀色。
Group: Alizarin yellow R
米吐尔
In stock 
分子式C7H9NO·1/2H2SO4 性状无色针状结晶体。易溶于水。溶于20份冷水、6份沸水,微溶于醇,不溶于醚。长期接触空气或见光变灰色。 熔点:259-260℃
Group: Metol
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