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1-Chloro-3-nitrobenzene CAS 121-73-3 is a monoclinic needle crystal,melting point:43 to 47, insoluble in water, easily soluble in hot alcohol,combustible and poisonous.
4-Bromophenylhydrazine hydrochloride,4-Bromophenylhydrazine HCl,CAS 622-88-8. It is white to slight yellow powder. Used for dye and medicine intermediates.
N-Butyric acid CAS 107-92-6 is to create butyrate cellulose butyrate. For the manufacture of thermoformed signs, glasses, car steering wheel. It is much stronger than cellulose acetate in aging,water resistance, shrinkage, etc. Butyric acid is also widely used to make varnishes and molding powder.
1-Chloro-2-nitrobenzene CAS 88-73-3 is a monoclinic needle crystal,melting point 33.5to35, insoluble in water,easily soluble in hot alcohol,combustible and poisonous.
2,4,6-Trinitrophenol CAS 88-89-1 is yellow granular crystal. Taste is bitter,is not easy to moisture absorption. Easily soluble in hot water, poorly soluble in cold water, soluble in ethanol,ethyl ether,benzene and chloroform.
Rochelle salt Potassium sodium tartrate CAS 6381-59-5 is colorless crystals or white crystal,specific gravity is 1.79,PH value is 6.8~8,the melting point is 70~80°C.Have minute efflorescence in the heat air,lose some water when heated to 60°C,and lose 3 water molecules at 100°C,become salt without water at 215°C. Freely insoluble in water, the solution assumes minute alkalescence.
![9,9-Bis[4-(2-hydroxyethoxy)phenyl]fluorene](/uploadfile/201609/02/e3ccaac2ded6c2c422ca16ced0463629_thumb.jpg)
4,4′-(9-Fluorenylidene)bis(2-phenoxyethanol)
9,9-Bis[4-(2-hydroxyethoxy)phenyl]fluorene BPEF CAS 117344-32-8 is white or off-white crystalline powder. In electron industry: Electronic luminous materials intermediates, LCD intermediates. It is also used for pharmaceutical intermediates.
Potassium bitartrate CAS 868-14-4 is colorless crystals or white crystal powder with sweet and sour taste, sparingly soluble in water, freely soluble in dilute mineral acid, alkaline solution or borax solution and insoluble in acetic acid or ethanol, relative density 1.984.
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