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Product Name:18-Crown-6 CAS Number: 17455-13-9 Synonyms: 1,4,7,10,13,16-Hexaoxacyclooctadecane; Hexaoxacyclo-octadecane; 18-Crown 6-ether EINECS NO.: Main Application:Cyanoacrylate adhesive curing accelerator, phase transfer catalyst in synthetic organic chemistry. Extraction and separation of extractant - complexing agent, precious metals and rare earth elements, the electronics industry ion conductive materials, liquid crystal display element material. Molecular Formula: C12H24O6 Molecular Weight: 264.32 Purity:≥99% Moisture (%):≤0.01 form Crystals or Crystalline Mass or Liquid color White or clear colorless Storage : Place in a dry, ventilated place. Specification: Pharmaceitical grade, USP42 EP9.0 Standard Package:＜25KG，by foil-alum bag/pap/bottle ≥25kg，25kg/drum/bag or as your request

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Name: Cupric acetylacetonate Synonyms: COPPERACETONYLACETONATE;COPPER ACETYLACETONATE; COPPER(+2)ACETYLACETONATE; , COPPER(II) ACETYLACETONATE; COPPER(II) 2,4-PENTANEDIONATE; CUPRIC(II) ACETYLACETONATE; CUPRIC AA; CUPRIC ACETYLACETONATE CAS: 13395-16-9 MF: C10H14CuO4 MW: 261.76 EINECS: 236-477-9 Product Name: Copper(II) acetylacetonate Identification Synonyms 2,4-Pentanedione copper(II) derivative; Bis(2,4- pentanedionato)copper(II) Molecular Formula Cu(C5H7O2)2 Molecular Weight 261.76 CAS Number 13395-16-9 EINECS/ELINCS 236-477-9 Properties： Appearance Blue needle crystal or powder.s Melting Point 284.0~288.0ºC Solubility Slightly soluble in water and soluble in alcohol, chloroform and benzene. Stability stable under ordinary conditions Application： Copper(II) acetylacetonate catalyzes coupling and carbene transfer reactions. It is employed to catalyze Michael additions. Metal acetylacetonates are used as catalysts for polymerization of olefins and transesterification. They are used as PVC stabilizer and curing agents for epoxy resins, acrylic adhesives and silicone rubbers. They are used as solvents, lubricant additives, paint drier, and pesticides. They are used in glass coatings. Packing and Storage： Packing In 20kgs net cardboard drum. Storage Keep container tightly closed in a dry and cool place. Safety Information： Irritant Non-hazardous for air, sea and road freight.

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English name:5-Bromoindole Empirical Formula (Hill Notation): C8H6BrN CAS:10075-50-0 MDL: No. MFCD00005670 Storage temperature: 2.00℃ Molecular weight: 196.05 g/mol Melting point: 90.00°C - 92.00°C Category: Pharmaceutical intermediates: Heterocyclic compounds Appearance: off-white crystal. Melting point 90-92℃. Melting point: 90-92 °C(lit.) Boiling point: 228.5°C (rough estimate) Density: 1.5466 (rough estimate) Refractive index: 1.6550 (estimate) Storage conditions: -20°C Solubility: 126mg/l (calculated) Acidity coefficient (pKa): 16.04±0.30(Predicted) Form: powder or block Color: white to light brown Detection method: HPLC, NMR BRN: 112877 InChI: InChI=1S/C8H6BrN/c9-7-1-2-8-6(5-7)3-4-10-8/h1-5,10 , H InChIKey: VXWVFZFZYXOBTA-UHFFFAOYSA-N SMILES: N1C2=C(C=C(Br)C=C2)C=C1

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Product Name:Iodine Synonyms:Iodine,standard solution;Iodine,refined;Iodine, Sublimed, Crystal, Reagent;iodine for high purity;Iodine, 99.5%, resublimed, extra pure;IODINE, for analysis CAS:7553-56-2 MF:I2 MW:253.81 EINECS:231-442-4 Product Description Iodine, non-metallic element, element symbol I, periodic table element 53, in the fifth period of the periodic table, group 7, one of the halogen elements. Elemental iodine was first discovered in 1811 by the French apothecary Koutwah. Elemental iodine is purplish black crystal, easy to sublimate, sublimate easy to condense, toxic and corrosive. Elemental iodine turns bluish-purple when it meets starch. Mainly used in the manufacture of drugs, dyes, iodine, test paper and iodine compounds. Product Categories: ACS Grade Synthetic Reagents; C-X Bond Formation (Halogen); Essential Chemicals; Iodination; Routine Reagents; Iodination Micro pplication 1.Mainly used in the manufacture of iodide, also used in the preparation of pesticide, feed additives, dyes, paper, medicine, iodine Materials for use in electronic industry, high purity reagents. 2.Use for volumetric analysis and colorimetric analysis. 3.Used mainly as a disinfectant. 4.Use is the basic raw material for the manufacture of inorganic iodide and organic iodides, mainly used in medicine and hygiene, used in the manufacture of various iodine preparations, disinfectant, disinfectant, deodorant, analgesic and radioactive substances antidote. It is the raw material of the pesticide and the feed additive. Bacteriostatic agent for industrial synthetic dyes, smoke extinguishing agents, photographic emulsion and cutting oil emulsion. Single crystal prism for manufacturing electronic instrument, polarizing lens for optical instrument and glass capable of transmitting infrared ray. For leather and special soap. Iodine is a good catalyst for the methylation, isomerization and dehydrogenation of organic synthesis reactions. Also used as a separator for alkanes and olefins. Stabilizer for rosin, tall oil and other wood products. Also used as extraction agent of high purity zirconium, hafnium, titanium, silicon and germanium. 5.It is mainly used for the manufacture of manufacturing iodide, pesticides, feed additives, dyes, paper, iodine, drugs used in the preparation of equivalent solvent, determination of iodine value, calibration concentration of sodium thiosulfate solution, the solution can be used as a disinfectant, iodine and thinning fluid in photoengraving. 6.Use disinfection and sterilization.

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Methylene Bis Thiocyanate (MBT/MTC) CAS 6317-18-6 Methylene Dithiocyanate Chemical Name: Methylene dithiocyanate Synonyms: Methylene Bis Thiocyanate (MBT/MTC) Appearance:Pale Yellow Free Flowing Powder / Crystals Transport Package: 25kg/Carton Box; 25kg/Fiber Drum HS Code：2930909090 Description: Methylene Bis Thiocyanate is a light yellow acicular crystalline chemical. Its melting point is 100-104ºC, sight soluble in other organic solvents, soluble in water at the degree of 0.4%, and stable under acid conditions. Applications: 1. Control of microbial activity in cooling water systems. 2. Control of slime in Pulp & Paper Manufacturing. 3. Preservation of paints, adhesives, synthetic polymer lattices and latex emulsions. 4. Anti-microbial treatment of water thinned products, thickeners and slurries. 5. Preservation of wood and wood products. 6. Preservation of Leather and Leather products. 7. Oil well brines and drilling mud. Packing: 25kg/paper bag or fibre drum.

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Commodity name：Sodium Saccharin Alias：Saccharin sodium salt dihydrate; CAS No.:6155-57-3 Physical State:White crystals Function:Sweet taste agent CAS No.: 6155-57-3 CAS No.: 6155-57-3 Sodium Saccharin price CAS No.: 6155-57-3 Sodium Saccharin supplier Lower price to buy Sodium Saccharin CAS No.: 6155-57-3 from top supplier Sodium Saccharin

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Product Name: Lithium diisopropylamide CAS Number: 4111-54-0 Synonyms: 2-Propanamine,N-(1-methylethyl)-,lithiumsalt;n-(1- , methylethyl)-2- propanaminlithiumsalt; LITHI , UM DIISOPROPYLAMIDE THF COMPLEX;LITHIUM DIISOPROPYLAMINE;LITHIUM DIISOPROPYLAMIDE; LDA THF COMPLEX;LDA;DIISOPROPYLAMINOLITHIUM EINECS NO.: 223-893-0 Molecular Formula: C6H14LiN Molecular Weight: 107.12306 Purity:≥99% Moisture (%):≤0.01 Appearance: brown liquid Storage : 2-8°C Package:＜25KG，by foil-alum bag/pap/bottle ≥25kg，25kg/drum/bag or as your request key words: LDA，Lithiodiisopropylamine，N-Lithiod , iisopropylamide

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Factory Supply Pharmaceutical Intermediate CAS 2004-07-1 2-Amino-6-Chloropurine-9-Riboside Other Name: 9H-Purin-2-amine,6-chloro-9-β-D-ribofuranosyl-;9H , -Purine,2-amino- 6-chloro-9-β-D-ribofuranosyl- , ;6-Chloro-9-β-D-ribofuranosyl-9H-purin-2- amin , e;2-Amino-6-chloropurine ribonucleoside;NSC 44586;2-Amino-6-chloro-9-β-D- ribofuranosylpur , ine;2-Amino-6-chloropurine riboside;6-Chloroguanosine CAS No.: 2004-07-1 Molecular Formula: C10H12ClN5O4 InChIKeys: InChIKey=TXWHPSZYRUHEGT-UUOKFMHZSA-N Molecular Weight: 301.69 Exact Mass: 301.69 EC Number: 217-905-3 HScode: 29349990 Categories: Antidepressants Grade: Pharmacy Grade Content: 99.5%

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English name: 3-Bromo-9-phenylcarbazole Molecular formula: C18H12BrN CAS:1153-85-1 MDL: No. MFCD11977305 Molecular weight: 322.2 Melting point:98 ºC Boiling point:461.7±27.0 °C(Predicted) Density:1.39 Storage conditions:Sealed in dry,Room Temperature Form: solid Color: white to almost white Water solubility: Slightly soluble in water. Maximum wavelength: (λmax) 352nm (CH3CN) (lit.) InChIKey:KUBSCXXKQGDPPD-UHFFFAOYSA-N , Category: Pharmaceutical intermediates-OLED material intermediates

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High quality 1119-51-3 5-Bromo-1-pentene with good price Product Name: 5-Bromo-1-pentene CAS No.:1119-51-3 Purity: 99% Type: Syntheses Material Intermediates MF: 1119-51-3 EINECS No.: 214-281-4 Brand Name: Alfachem Model Number: A119513 Application: research Appearance: liquid Storage：Cool Dry Place Advantages: We provide DOOR-TO-DOOR shipping, including customs clearance. Fast and guranteed shipment ( TNT,EMS,FEDEX, DHL, UPS,EUB,Special line) Various payment terms accepted( Btc,MoneyGram, Wu, T/T) Valued package( Paraffin coating, Double alumiunm foil bag, Vacuum packaging) Efficient delivery (3-10 days fast delivery service) Best quality ( without any doping, all the products are pure) Good reputation( Our boss have been in this industy for 10years, earned great trust from our clients ) Huge Capacity( we have plenty manufacture centers, each day can produce tons of various products) The competitive price ( Manufacture and produce by our own factories) In the end, we have the most professional experienced and dedicated team here. FAQ: Q1: How to start orders or make payments? A1: You can send our your Purchase order(if your company has), or just send a simple confirmation by email or by Trade Manager, and we will send you Proforma Invoice with our bank details for your confirmation, then you can make payment accordingly. Q2: How to confirm the Product Quality before placing orders? A2: You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests. Q3: Do you test all your goods before delivery? A3: Yes, we have 100% test before delivery,International Authorized Third-Party Test for the products if you need are highly welcomed. Q4: What's your MOQ? A4: For the high value product, our MOQ starts from 1g and generally starts from 10gs. For other low price product, our MOQ starts from 1kg. Q5: Is there a discount? A5: Yes, for larger quantity, we always support with better price. Q6:How do you treat quality complaint? A6: First of all, our quality control will reduce the quality problem to near zero. If there is a quality problem caused by us, we will send you free goods for replacement or refund your loss. Q7:How to contact us? A7: You can choose your interested products and send inquiry to us.You can contact us through WhatsApp directly, you will get our reply.

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Factory Supply Safe Delivery 99% Best Price in Stock 2-Bromo-4- Chloropropiophenone CAS 877-37-2 Product Name: 2-bromo-4-chloropropiophenone CAS No.: 877-37-2 Formula: C9h8brclo EINECS: 100-413-0 Type: Synthesis Material Intermediates Appearance:Powder Quality: Technical Purity: 99% Loss on Drying: ≤1.0% Packing: 25kg Delivery Time: 2-15 days Storage: Keep in dark place,Sealed in dry,Room Temperature Custom: Free of customs (door to door) Sample: Available Shelf life: 2 years Packing: Weight ＜1kg---Fluorinated bottle 25kg---Plastic bucket 180-200kg ---Drum P.S: we accept packaging customization Delivery: We have large quantity procaine raw powder in stock ,normally could ship out within 3 working days. For rush delivery , please contact our sales team for particular arrangement Shipping: We ship goods via DHL, FEDEX, UPS, TNT , China post, NL Post and other couriers, weight from 10g to 1000kg or even bulker. Shipping details & shipping documents will be provided and sent to customers as long as it is ready . We keep tracking the shipment until clients well received. After years export shipping experience, with professional and experienced cooperated forwarders, we ensure that goods can be delivered in multiple ways safetly and efficiently. Advantages: We provide DOOR-TO-DOOR shipping, including customs clearance. Fast and guranteed shipment ( TNT,EMS,FEDEX, DHL, UPS,EUB,Special line) Various payment terms accepted( Btc,MoneyGram, Wu, T/T) Valued package( Paraffin coating, Double alumiunm foil bag, Vacuum packaging) Efficient delivery (3-10 days fast delivery service) Best quality ( without any doping, all the products are pure) Good reputation( Our boss have been in this industy for 10years, earned great trust from our clients ) Huge Capacity( we have plenty manufacture centers, each day can produce tons of various products) The competitive price ( Manufacture and produce by our own factories) In the end, we have the most professional experienced and dedicated team here. FAQ: Q1:How can i get a sample? A: Free sample is available, but freight charges will be at your account and the charges will be return to you or deduct from your order in the future. Q2: Can you give me a discount price

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Product Name:Potassium Tert-Butoxide CAS Number: 865-47-4 Synonyms: EINECS NO.:212-740-3 Molecular Formula: C4H9KO Molecular Weight: 112.21 Purity:≥99% Moisture (%):≤0.01 Appearance:WHITE POWER Storage : Place in a dry, ventilated place. Specification: Pharmaceitical grade, USP42 EP9.0 Standard Package:＜25KG，by foil-alum bag/pap/bottle ≥25kg，25kg/drum/bag or as your request key words:Potassium Tert-Butoxide

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English name: Cyanuric fluoride CAS:675-14-9 EINECS: No. 211-620-8 MDL number: MFCD00014597 Molecular weight:135.05 Appearance: colorless liquid. Boiling point: 69.5-70.5℃. Melting point: -38°C Boiling point: 73-74°C Density: 1,6 g/cm3 Refractive index: 1.348 Flash point: 73-74°C Solubility: soluble in chloroform, carbon tetrachloride, ether, dioxane and miscible in ketones. Decomposes violently when exposed to water and alcohol. Acidity coefficient (pKa): -2.62±0.10 (Predicted) Sensitivity: Moisture sensitive BRN: 124237 Use 1: Mainly used to prepare reactive dyes Use two: used in organic synthesis. Overview: Cyanuric fluoride is a key intermediate in the synthesis of fluorinated s-triazine reactive dyes. Compared with traditional chlorotriazine reactive dyes, fluorinated s-triazine reactive dyes have the following five advantages: 1. Energy saving, low dyeing temperature (medium temperature type) 60℃, lower than KE type reactive dyes and equivalent to M type reactive dyes. 2. Emission reduction, environmental protection, and high color fixation rate. The color fixation rate is 15 to 20 percentage points higher than that of the corresponding chlorotriazine reactive dyes. It can not only improve the utilization rate of dyes, but also reduce environmental pollution during the printing and dyeing process. 3. The dye has good stability. 4. High peroxide resistance and stability. 5. Not restricted by AOX regulations.

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CAS No.: 529-75-9 2-Methoxybenzoic Acid Formula: C8h8o3 EINECS: 209-447-8 Type: Appearance: Powder Quality: Technical HS Code : 2916399090 Product Name 2-Methoxybenzoic acid Cas no. 529-75-9 MF C8H8O3 MW 152.15 Appearance white powder Purity 99.0% Package as requested Application: Battery , Pharmaceutical , Cosmetic , Electronic, Pesticide, Dye Features: Super Spreading and penetrating , Environment friendly , Improve product quality, Wide range of applications. Melting Point 98-100 °C(lit.) Boiling Point 200°C Density 1.2143 (rough estimate) Storage Tem. Sealed in dry,Room Temperature Solubility 5g/l Form White to off-white Crystalline Powder Acidity Coefficient 4.09±0.10(Predicted) BRN 509929 Refractive Index 1.4945 (estimate)

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