N,N-Diisopropylethylamine CAS7087-68-5 N,N-Diisopropylethylamine N-Ethyldiisopropylamine, 3-METHYL-1-BUTINE-3-OL; BIOTECHGRADESOLVENT,99.5%; DIPEA, Ethyldiisopropylamine, Hünig’s base CAS Number:7087-68-5 EC Number:230-392-0 MDL number:MFCD00008868 Appearance Colorless to Light yellow clear liquid Purity(GC) min. 99.0 % Quality Level 200 Assay ≥99% form liquid refractive index n20/D 1.414 (lit.) Melting Point -45 °C Boiling Point 127 °C density 0.742 g/mL at 25 °C (lit.) Specific Gravity 0.92 Molecular Formula / Molecular Weight C8H19N = 129.25 Flash point 12 °C Refractive Index 1.41 Solubility in water Insoluble Solubility (soluble in) Alcohol Condition to Avoid Air Sensitive CAS 7087-68-5 MDL Number MFCD00008868 Explosion limit 0.7 - 6.3 %(V) pH value 12.3 (H₂O, 20 °C) (as an emulsion) Viscosity kinematic 0.88 mm2/s (20 °C) Vapor pressure 14 hPa (20 °C) HS Code 2921 19 99 General description N,N-Diisopropylethylamine, also known as Hünig′s base, is a sterically hindered amine. It is a non-nucleophilic base commonly employed for substitution reactions.It acts as an activator for chiral iridium N, P ligand complexes, which can be utilized in the hydrogenation of α, β-unsaturated nitriles. The influence of varying concentration of N,N-diisopropylethylamine on the synthesis of olvanil in the presence of lipase catalyst has been investigated. Application N,N-Diisopropylethylamine may be used in the synthesis of mannosylated ovalbumin peptides. TBDPS protection of Alcohols using tert-Butylchlorodiphenylsilane. BOM protection of Alcohols using Benzyloxymethyl Chloride. Storage and transportation: Should be sealed and stored in a dry, cool and ventilated warehouse Package: 200KG/drum Storage: It is recommended to store in dry and cool area with proper ventilation. Please fasten the lid as soon as possible after original packing to prevent the mixing of other substances such as moisture from affecting the product performance. Do not inhale dust and avoid skin and mucous membrane contact. Smoking, eating and drinking are prohibited in the workplace. After work, shower and change clothes. Store contaminated clothes separately and wash them before use. Maintain good hygiene habits. https://www.newtopchem.com/archives/43095 Email us: [email protected]

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-TetramethylGuanidine(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 MW：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：[email protected] More：https://www.newtopchem.com/archives/42570

NT CAT DMP-30 CAS: 90-72-2 Tris(dimethylaminomethyl)phenol Overview: DMP-30 CAS: 90-72-2 Tris(dimethylaminomethyl)phenol Common Name: Tris(dimethylaminomethyl)phenol Other Chemical Names: Tris(dimethylaminomethyl)phenol,2,4,6-;2,4,6-TRI(DIMETHYLAMINOETHYL)PHENOL;a,a',a''-Tris(dimethylamino)mesitol;ProChemicalbooktexNX3;TAP(aminophenol);VersamineEH30;Tris-(dimethylaminemethyl)phenol;2,4,6-TRIS(DIMETHYLAMINO-METHYL)PHENOL MF： C15H27N3O MW： 265.39 CAS： 90-72-2 Typical Properties Appearance Form: clear, viscous liquid Colour: light yellow Initial boiling point and boiling range 130 - 135 °C at 1 hPa - lit. Flash point 124 °C - closed cup Vapour density 9,16 - (Air = 1.0) Relative density 0,969 g/mL at 25 °C Viscosity 120~250 Features and uses: NT CAT DMP-30 is a tertiary amine accelerator, commonly used in the production of epoxy resin and polyurethane products. NT CAT DMP-30 is commonly used in epoxy resin coatings, adhesives and other industries to accelerate the reaction in curing agent systems such as polyamide, polyether amine, anhydride, and reduce the reaction temperature. NT CAT DMP-30 addition amount accounts for 5-12% of the curing dose. Storage Information 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: 200KG Steel Drum 1000KG IBC Drum (DABCO TMR-30, PC CAT NP30, K54) [email protected] More：https://www.newtopchem.com/archives/633

TMEDA (N,N,N',N'-Tetramethylethylenediamine) CAS No.:110-18-9 Over view Common Name: N,N,N',N'-Tetramethylethylenediamine Other Chemical Names: N,N,N',N'-Tetramethylethane-1,2-diamine, electrophoresis grade;Four MethylEthylenediaMine;N,N,N',N'-TetraMethylethylenediaMine Molar formular C6H16N2 Molar mass 116.2 Physical and chemical properties: a) Appearance Form: Transparent colorless liquid b) Melting point/freezing point Melting point/range: -55 °C - lit. c) Initial boiling point and boiling range 120 - 122 °C - lit. d) Flash point 20 °C - closed cup e) Evaporation rate no data available f) Flammability (solid, gas) no data available g) Upper/lower flammability or explosive limits Upper explosion limit: 9,08 %(V) Lower explosion limit: 0,98 %(V) h) Relative density 0,775 g/cm3 at 20 °C i) Water solubility soluble j) Partition coefficient: log Pow: 0,3 Features and uses: NT CAT TMEDA is a colorless-to-straw, liquid, tertiary amine with a characteristic aminic odor. It is readily soluble in water, ethyl alcohol, and other organic solvent. It is used as an intermediate in organic synthesis. It is also used as a cross linking catalyst for polyurethane rigid foams. 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. Package: 160KG Steel Drum (Toyocat TE/ Kaolizer 11/ Dabco TMEDA) More：https://www.newtopchem.com/archives/41215

PU catalyst： MB20 CAS#: 34364-26-6 Overview: Common Name: BISMUTH NEODECANOATE Other Chemical Names: Neodecanoicacid,bismuth(3+)salt;neodecanoicacid,bismuth(3++)salt;BISMUTHNEODECANOATE;BISMUTH(III)NEODECANOATE;bismuth(3+)neodecanoate;BISMUChemicalbookTHNEODECANOATE,TECH;Bismuth(III)neodecanoate,superconductorgrade~60%inneodecanoicacid(15-20%Bi);Bismuth(III)neodecanoate,superconductorgrade a) Appearance and Properties: Liquid Color: light yellow transparent b) Boiling point, initial boiling point and boiling range 180 °C c) Flash point 158 °C - closed cup d) Evaporation rate No data available e) Flammability (solid, gas) no data available f) high/low flammability or explosiveness limits no data available g) Vapor pressure 0.60mmHg at 21 °C h) Vapour density No data available i) Density/relative density 1.22 g/cm3 at 25 °C j) water soluble insoluble k)n-octanol/water partition coefficient no data available l) Autoignition temperature no data available m) Decomposition temperature no data available n) Viscosity 50mPa.s at 25 °C Features and uses: MB20 is used as a catalyst in the polyurethane industry, showing high catalytic activity, and is widely applicable to spray, high density elastomer, and microcellular elastomer systems. Has the following characteristics: A powerful gel catalyst to promote the completion of the reaction in the later stage; It shows that the viscosity of the system is delayed when the level of intermolecular reaction is low in the early stage of the reaction; Environmentally friendly products that can replace lead and tin-containing catalysts; In the common polyurethane reaction system, the microcellular elastomer system and the high-density semi-rigid foam system enhance the stability of the system reaction. Acts as a co-catalyst with a tertiary amine to accelerate the urethane reaction and cure. Exhibits delayed viscosity build on front-end at low usage level while promoting excellent back-end cure. It is free of mercury, lead and dibutyl tin. Possesses low volatility with little or no odor. It has compatibility with common rigid and flexible foam polyols. It is an alternative to tin-based catalysts in flexible slabstock, high-density flexible foams, spray, microcellular, and rigid foam systems. Storage Information 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. Package: 25kg/Plastic Drum, 200KG/Steel Drum, 1000kg/IBC Drum More：https://www.newtopchem.com/archives/39757

Pu catalyst: K-15 Active ingredients: CAS:3164-85-0 Overview: Common name: Potassium isooctanoate solution Other Chemical names: Potassium2-ethylhexanoate,99.9%(metalsbasis),75%w/wsoln.;PotassiuM2-ethylhexanote;PotassiuM2-Ethylhexanoatehydratate;KaliumOctoate;Potassium2-ethyChemicalbooklhexanoatesolution,75wt.%solution,99.9%tracemetalsbasis;2-ethyl-hexanoicacipotassiumsalt;2-ETHYLHEXANOICACIDPOTASSIUMSALT;POTASSIUM2-ETHYLHEXANOATE Solution Physical and chemical properties: Appearance: Liquid. Color: Colorless. Odor: No odor. Relative density: 1.13 (water=1) Vapor pressure: < 19.20 mmHg at 21 °C Density: 70.544 lb/ft3 (1.13 g/cm3) at 70 °F (21 °C) Point Boiling Point/Range: > 572 °F (> 300 °C) Flash point: 137.78 °C Viscosity: 6000~1200mPas(25 °C) Water solubility: completely dissolved. Product use: Polyurethane catalyst Features and uses: Used in the production of rigid isocyanate foams.  K-15 is a solution of potassium-salt in diethylene glycol. It promotes the isocyanate reaction and is used in a wide range of rigid foam applications. For better surface curing, improved adhesion and better flow alternatives, consider TMR-2 catalysts. K-15 is an excellent and cost-effective isocyanate catalyst. Its high conversion rate has established it as the catalyst of choice in a number of rigid applications. Storage Information 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. Package: 200KG/Steel Drum More:https://www.newtopchem.com/archives/555

PU Catalyst: BDMA (benzyldimethylamine) CAS:103-83-3 Over view: Common Name: Benzyl Dimethyl Amine Other Chemical Names: N,N-Dimethylbenzylamine, Benzenemethamine, N,N-dimethyl-;Benzenemethanamine,N,N-dimethyl-;Benzylamine, Physical and chemical properties: Appearance Form: transprant light yellow liquid Odour no data available PH 10 at 10 g/l at 20 °C Melting point/freezing point Melting point/range: -75 °C - lit. Initial boiling point and boiling range 181 - 184 °C at 1.020 hPa - lit. Flash point 53 °C - closed cup Evaporation rate no data available Flammability (solid, gas) Upper explosion limit: 6,3 %(V) Upper/lower flammability or explosive limits Lower explosion limit: 0,9 %(V) Relative density 0,9 g/cm3 at 25 °C Water solubility soluble Partition coefficient: noctanol/water log Pow: 1,87 Molar formular C9H13N Molar mass 135.21 Features and uses: A liquid tertiary amine catalyst. Can improve foam cure and demolding time. It is an excellent candidate to consider for use in water-NCO reaction in rigid polyurethane foams. BDMA is typically suitable to replace DMCHA in formulations using a high level of water as blowing or co-blowing agent can reduce surface friability and improve adhesion of foam to substrates. BDMA promotes the urethane reaction and is commonly used in high-water rigid foam applications to reduce friability. It has a characteristic but low amine odor, and is soluble in water and in most organic solvents. BDMA is used in flexible slabstock and rigid foam applications. It promotes the urethane reaction and is commonly used in high-water rigid foam applications to reduce friability. BDMA is also used for flexible slabstock foam applications. Storage Information 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. Package: 180KG/Steel Drum (DABCO BDMA/Niax BDMA/ PC Cat NP60/ Addocat DB/ Jeffcat BDMA/ Lupragen N103) More :https://www.newtopchem.com/archives/516