Chemicals & Plastics

TMG N,N,N,N-Tetramethylguanidine CAS No.: 80-70-6 N,N,N,N-Tetramethylguanidine CAS No.: 80-70-6 Overview: Common Name: N,N,N,N-Tetramethylguanidine Other Chemical Names: N,N-Tetramethylguanidine;1,1,3,3-TetramethylGu , anidine(TMG);1,1,3,3- Tetramethylgyanidine, 1,1,3,3-TetrChemicalbookamethylguanidine, ;N,N,N,N- Tetramethy1Guanidine; 1,1,3,3-Tetramethylguanidin; TMG; 1,1,3tetramethylguanidine MF：C5H13N3 M , W：115.18 CAS：80-70-6 Typical Properties Appearance Form: liquid Colour: light yellow PH 12.7 at 10 g/l at 25 °C Melting point/freezing point Melting point/range: -80 °C at 1,013 hPa Initial boiling point and boiling range 162 - 163 °C - lit. 162 °C at 1,013 hPa Flash point 50 °C - closed cup Density 0.916g/cm3 at 20℃ Vapour pressure 2.9 hPa at 20 °C Description In organic synthesis, 1,1,3,3-tetramethylguanidine is used as a strong, non- nucleophilic base. 1,1,3,3-tetramethylguanidine is an efficient and selective catalyst for alcohol benzoylation. Physical and chemical properties tetramethylguanidine is a colorless oily liquid, boiling point 160-162℃, density 0.918, refractive index 1.4692, is a strong organic base, soluble in toluene, cyclohexanone, ethanol, etc., also Chemicalbook soluble in water, easily hydrolyzed to tetramethyl urea in alkaline aqueous solution, corrosive, generally packed in galvanized iron drums. Applications NT CAT TMG can also be used as a catalyst for polyurethane foam and for even dyeing of nylon, wool and other proteins to improve the durability of wool, etc. It is mainly used in the synthesis of cefradine and other drugs. Storage Information NEWTOP Chemical recommends that our catalysts be stored in a dry and cool area under appropriate ventilation conditions. Each container should be closed tightly to avoid contamination with moisture or other negative influences that could change the products performance in the end use. The optimum storage temperature is between 10 °C and 30° C. Lower and higher storage temperatures are not preferable and should be avoided. Shelf Life: 24 Months Standard Packaging: 180KG Steel Drum 900KG IBC Drum Sample contact：info@newtopchem.com

Minimum Order: 100

ID 8mm L 10m WP 20 BAR BP 60 BAR Rubber Air Hose , 1/4" BSP Quick Release Connectors Exported to: British, Portugal, etc. Hose Structure: Tube: NR& SBR synthetic rubber. Reinforcement: High tensile polyester fiber braided. Cover: NR & SBR or SBR& EPDM synthetic rubber. Temperature resistance Range: -30℃ - +70℃ Color Choice: Red, Yellow, Black etc. Hose Application: Mainly used for conveying of air for air compressor machine. Length: 10m, 20m, etc Specification of hose: Item code Inner Diameter Outer Diameter Working Pressure Burst Pressure Length Weight inch mm mm bar psi ba , r psi m/pc kg/pc HPR1　 1/4" 6 12 20 300 60 900 10 1.7 HPR2　 1/4 , " 6 12 20 300 , 60 900 20 3.3 HPR3　 5/1 , 6" 8 15 20 300 60 900 10 2.1 HPR , 4　 5/16" 8 15 2 , 0 300 60 900 20 4.1 HPR5　　 3/8" 10< , br> 17 20 300 60 90 , 0 10 2.5 HPR6　 3/8&q , uot; 10 17 20 300 < , br>60 900 20 4.9 Specification of fittings: German or Universal 3 in 1 quick coupler and plug. ID 8mm L 10m WP 20 BAR BP 60 BAR Rubber Air Hose , 1/4" BSP Quick Release Connectors 0ID 8mm L 10m WP 20 BAR BP 60 BAR Rubber Air Hose , 1/4" BSP Quick Release Connectors 1 Competitive Advantage of PASSION Hose: PASSION® Rubber air hose assembly, is popular in Europe market, made of non- recycled rubber, according to ISO-2398 standard. Hangzhou Paishun can crimp the specified fittings and quick released coupling on the rubber air hose. If you have some special request of size, Hangzhou Paishun can also customize for you.

RUBBER ANTIOXIDANT RTENZA TMQ (RD) Chemical Name 2,2,4-Trimethy1-1,2-Dihydroquinoline content Molecular Formula (C12H15N)n Molecular Structure Molecular Weight (173.26) n CAS No. 26780-96-1 Specification Item Specification Appearance Amber to brown flake or Granular Softening Point,℃ ≥ 80.0-100.0 Loss on Drying, % ≤ 0.50 Ash, % ≤ 0.50 Properties Amber to light brown flake or granular. Not soluble in water, soluble in benzene, chloroform, acetone and carbon disulfide. Micro-soluble petroleum hydrocarbons. Application The product is particular excellent ammonia antioxidant of heat resistant , anti-aging agent. Particularly suit to full-steel, semi-steel radial tire and it apply to many kings of the tires, rubber tube, gummed tape, rubber overshoes and general industrial rubber producers and also suits to emulsion products. Package 25kg kraft paper bag. Storage The product should be stored in the dry and cooling place with good ventilation, avoiding exposure of the packaged product to direct sunlight. The validity is 2 years.

Minimum Order: 1 bags

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Pyrrolidine Cas 123-75-1 Factory Sells Pyrrolidine Cas 123-75-1 from China ( +8619930501651 Are you interested in Pyrrolidine Cas 123-75-1 ? Congratulations!!!We are factory supplier for Pyrrolidine Cas 123-75-1 with high quality and good price. Shipping Pyrrolidine Cas 123-75-1 fast and safety to your address at anywhere of the world. Our Company ---Guanlang has buyers for Pyrrolidine Cas 123-75-1 in all over the world.Such as South Africa,Mexico,America and so on. We can promise quality of our products. Guanlang will be your reliable parterner. Pyrrolidine Basic information Product Name: Pyrrolidine Synonyms: TETRAMETHYLENEIMINE;pyrrolidine,tetrahydropyrr , ole;PYRROLIDINE,REAGENT;TETRAHY DROPYRROLE( , PYRR , OLIDINE);PYRROLIDINE 99+%;PYRROLIDINE, REDISTILLED, 99.5+%;1- AZACYCLOPENTANE;AKOS BBS-00003603 CAS: 123-75-1 MF: C4H9N MW: 71.12 EINECS: 204-648-7 Feel free to contact me if you want to know more about the product. Hebei Guanlang Biotechnology Co., Ltd. No.108 Zhongshan West Road, Qiaoxi District, Shijiazhuang, China Tel:86-31166562153 WhatsApp/Skype/WeCh , at: +8619930501651 Email:breeduan@crovellbio.com

Minimum Order: 10 long tons

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PRODUCT DESCRIPTION FKM rubber sheet , FKM sheet , FKM rolls , Industrial Rubber Sheet , Tensile Strength 6-12Mpa FKM rubber sheet, FKM sheet, FKM rolls for industrial seal etc. This kind of FKM sheet has flat and bright surface, small thickness tolerance and good physical properties. It shows excellent resistance to heat, oil and strong acid or alkaline. Maximum width is 1.5 meter and smallest thickness is 0.5 mm in various hardness. It can be produced by customers' special technical requirements such as fabric impression, high fluorine content and fiber or metal net reinforced insertions etc.. Size and Package available: Size of square or rectangle flat sheet piece: max width 1500mm, thickness range 11-100mm) Roll size: max width 1500mm, thickness range 0.5-10mm, no limit to length, can be cut to order. Product Advantage: Resist to atmospheric oxidation, ozone, high temperature, acid or alkaline, fuel, water vapor, hot water and chemicals corrosion. Manufacturing Process: Square or rectangle flat sheets are moulded by 4000 ton flat vulcanizing press, rolls are vulcanized by drum-type vulcanizing press. Color: Black, Brown, Green and Gray, etc.. Color can be made to order. Color inquiry of existing FKM product or new color development per Technical Support. Brand Explanation: For example:FPM/FKM1A70-Black FKM:per ASTM D1418, general designation to fluoroelastomer (per DIN/ISO, the name is FPM) 1A-High quality; 70-Hardness Shore A Specifications: material: virgin fluorubber quality: industrial grade, FDA grade (postcure) color: black, grey, brown, red, green etc. surface: smooth/smooth, smooth/impression fabric, double impression fabric tensile strength: 7-12Mpa hardness: 60, 70+/-5Shore A elongation: 200% density: 1.9-2.1g/cm3 working temperature: -40°C - +320°C thickness: 0.5-20.0mm width: 0.1-2.0m length: 0.1-20m Insertion: reinforce to insert 1PLY fabric ***when you enquiry, pls confirm the size and quantity*** made by drum-type vulcanizing press(ROTOCURE) or vulcanizing press with high quality fluorubber, 1-6mm thickness is made by drum-type vulcanizing press(ROTOCURE) with shiny surface, 7-20mm thickness is made by vulcanizing press for get higher thick thickness. With many high characters such as high heat aging resistance, high temperature resistant, ozone resistant, oil resistant, vacuum resistant, acid & alkali resistant, chemic cautery resistant. It could work in air, oil, acid or alkali and all kinds of other chemic solution which contains 100% cautery material at the temperature of -40°C - +320°C. Appearance of product this type feels gleaming and flattening. Allowable variation of thickness is tiny and all physical indexes are excellent. With outstanding performances of high temperature resistant, oil- proof, strong acid and alkali proof the product could withstand hard environment's test. Multi hardness fluorin rubber plate with 2m ultimate thickness and 0.5mm ultimate thinness could meet the requirement of all industries. Apply to punch all kinds of seals, gaskets at military, spaceflight, chemical industry and other high-tech request. Allowed buyers offer particular technical demand such as insulation, textile insertion, metal mesh insertion and mat surface, we could make it according to contract signified. Flat Surface Industrial FKM Rubber Sheet Hardness 60 , 70 , 80+ / - 5 Shore A 0 Flat Surface Industrial FKM Rubber Sheet Hardness 60 , 70 , 80+ / - 5 Shore A 1 Flat Surface Industrial FKM Rubber Sheet Hardness 60 , 70 , 80+ / - 5 Shore A 2 Flat Surface Industrial FKM Rubber Sheet Hardness 60 , 70 , 80+ / - 5 Shore A 3

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Minimum Order: 1 bags