Dyestuff Intermediates

Pharmaceutical Intermediates[Product Name]: Succinimide;Butanimide [CAS]: 123-56-8 [Molecular Formula]: C4H5NO2[Properties]: colorless needle-like crystal or light brown lustrous thin flakes; sweet; m.p. 125, b.p. 287 (slightly decomposed); easily soluble in water, alcohols or sodium hydroxide...

SPECIFICATIONDescription:Chemical Name: 9- fluorenoneTrade Name:FOXCAS Number:486-25-9ECS Number:4-1618Molecular weight:180.20g/molSpecification:SPECIFICATIONTYPICALAppearanceyellow powderPurity(GC)99.0%-99.8%Melting point83.5~84.8°CWater content(KF)0.1~0.25%Residue on...

usage: Manufacture azo dyes, analgesic.4-AcetamidophenolBP2002/USP26103-90-2

PVP was initially used as a blood plasma substitute and later in a wide variety of applications in medicine, pharmacy, cosmetics and industrial production.It is used as a binder in many pharmaceutical tablets,and used in personal care products, which also used in many technical applications.

Hydroquinone(HQ)(1) Photographic GradeMolecular Formual: 1,4-C6H4(OH)2Molecular 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...

Physical and chemical property:Colorless transparent liquid, water solvents with PH value less than 7, and its density of 1.14. Boiling point 101.2, hardening point -29, flash point 35, ignition temperature 415, soluble in water and ethanol.

Product name: Optical Brightener BAMOLECULAR FORMULA: C40H42N12O10S2Na2MOLECULAR WEIGHT: 960.95 (As International relative Atom Mass 1991)MAX UV ABSORPTION SPECTRUM: 348 nmSpecs: Appearance: light yellow uniform powder Fluorescent Strenghth (equivalent to the standard sample): 100 Color Shade:...

Product name: PhthalideSynonyms:1(3H)-Isobenzofuranone; O-Hydroxymethylbenzoic Acid Lactone; PhthalanoneMolecular formula: C8H6O2Molecular weight: 134.13CAS No.: 87-41-2Appearance: off-white or yellow powderMelting point: 72-74Purity: 99.00% minIgnition residue: 0.10% maxPackage: 25 kilogram...

H acid4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acidmolecular weight: 319purity: 80% minsales basis on real content 80%H acid with good quality and cpmpetitive price, meet the requirement of dye manufacturer.We have established close cooperation with Chinese producers and share good reputation...

m-nitrobenzoic...

APPEARANCE: BROWN-RED PASTE PURITY: 98%MIN.(DRY PRODUCT)CAS RN:831-52-7

ResorcinolAssay(dry basic):≥99.5% Moisture: ≤0.1% Melting point( dry basic):≥109°C Ash:≤0.01% Appearance:white or light brown flakes; its color may turn dark in storage Used in the rubber product supplementary material, adhesive, ultraviolet absorber, dye, medicine, explosive...

Product name:TriethylamineCas :121-44-8Einess :204-469-4Package:140kg/drumAssay:99.5%Hazardous sign:3UN:1296Stability:stableFlash point:<0°CMelting point:-114.8°CBoiling point:89.5°C2.uses:Used as solvent, curing agent, catalyst, polymerization inhibitor, preservatives, and synthetic...

DIETHYL MALONATE IntermediatesMOLECULAR FORMULA: CH3CH2OCOCH2OCOCH2CH3M.W.: 160.14APPEARANCE: COLOURLESS CLEAL LIQUID;ASSAY: 99.0-PCT.MIN.FREE ACID: 0.5-PCT.MAX.PACKING: 200KGS NET IN PLASTIC DRUM.USE: MAINLY APPLIED IN ORGANIC SYNTHETIC, AN INTERMEDIATE OF Dyestuff AND PERFUME, ALSO RAW MATERIAL...

Penetrant BX Chemical composition: butyl naphthalene sulfonate Appearance: white powder m Solubility: soluble in water PH: 1% aqueous solution PH 7.0 ~ 8.5 Factory specifications: in line with the following rationale - of indicators: Index name Indicators Appearance White powder m Penetration...

We have hydroquinone Product Grade:Photo-taking grade and technical grade.Use:Can be used as Intermediates of polymer, monomer inhibitor, dyes and auxiliary; as antioxidant in food and medicine industry; as anti coagulant for gas; developer for film, photos and X-ray film.Packing:In PP woven bags...

Dyeing ANTIFOAM AGENT for high-temperature printing & dyeing is a kind of high-temperature defoamer using imported raw material and foreign advanced technology for guiding production by our Company. Its outstanding merit is a manifestation of stable application at 130 without losing its effect...

copperoxideMolecular Weight: 79.50Facies: black powder.Properties: soluble in diluted acid, ammonia chloride and potassium cyanide.Applications: mainly used in the magnetic material, glass, colorant, also used in Dyestuff, accelerant, anti shrinkage of paint, fireworks.Packing: Export-worthy...

Nitromethane is colorless transparent oily light aromatic odor,relative density(d420)1.137, boiling point -28.55, refractive index (nd20)1.3819, searcely water-souble, may be mixed with orgaic dissoluents such as ethanot. aother,acctone and so on. It is intlammable, detonable, slightly poisonous,...