Other Chemical Auxiliaries

Chemical name: 2,2-Dimethoxy-1,2-diphenylethan-1-one CAS No.: 24650-42-8 Molecular formula: C16H16O3 Molecular weight: 256.3 Molecular structure Specification Appearance: White crystalline powder Purity, %: ≥ 99 Melting point, °C: 64 - 67 Volatility, %: ≤ 0.5 Ash, %: ≤ 0.1 Application Photoinitiator BDK is a highly efficient UV photoinitiator. It is one of the economical photoinitiators. It is sensitive and has good absorption in 340nm band. It is compatible with unsaturated polyesters, acrylate monomers and oligomers used in UV-curable systems. It can be used in the UV curing system, such as unsaturated polyester, styrene primer and filler on the surface of wood or wood substitutes, acrylic ink and varnish on paper, metal and plastic surfaces, resist gloss and print. info at hhochem.com

Chemical name: 2-Hydroxy-2-methylpropiophenone CAS No.：7473-98-5 Molecular formular：C10H12O2 Molecular weight：164.2 Molecular structure Specification Appearance: Transparent yellow liquid Purity, %: ≥98.5 Transmittance, %: 425nm ≥ 98.0 500nm ≥ 99.0 Color: ≤100Hazen Volatility, %: ≤ 0.1 Ash, %: ≤ 0.1 Application Photoinitiator 1173 is a high efficiency UV photoinitiator and has the characteristics of low odor, non yellowing and good color stability. It can be conveniently combined with other photoinitiators.It is used in UV curing coatings and inks, clear coatings for wood, plastics and metal, overprint varnish. It is especially recommended for UV-curable coatings that require long-term exposure to sunlight and yellowing resistance. It is Highly efficient photoinitiator for UV curing system info at hhochem.com

Chemical name: 2-Methyl-4'-(methylthio)-2-morpholinopropiophe , none CAS No.: 71868-10-5 Molecular formula: C15H21NO2S Molecular weight: 279 Molecular structure Specification Appearance: White crystal powder Purity, %: ≥ 99 Melting point, °C: 73-76 Volatility, %: ≤ 0.25 Ash, %: ≤ 0.1 Transmittance (10g/100ml Toluene): 425nm ≥ 85% 500nm ≥ 95% Application Photoinitiator 907 is a high-efficiency photoinitiator which is mainly used in UV curing coating system and ink. It can keep coating system and ink from yellowing and prolong storage. It can be used for the color ink system, paper, metal, and plastic glazing and electronic ink. And it also can be used as UV absorbent for cosmetics and other industries. info at hhochem.com

Chemical name: Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide CAS No.:162881-26-7 Molecular formula:C26H27O3P Molecular weight: 418.46 Molecular structure Specification Appearance: Yellow crystal powder Purity (HPLC), %: ≥99 Melting point, ℃: 130 - 133 Volatility, %: ≤ 0.2 Acidity, mgKOH/g: ≤ 0.3 Clarity: Clear Application Photoinitiator 819 is a high effective UV photoinitiator, which is used to initiate the UV polymerization of unsaturated prepolymer system. It has been widely used in coatings, inks, adhesives and other industries for their excellent properties. It has great absorption in the ultraviolet and visible regions, and can initiate curing more effectively than other photoinitiators for coatings containing pigments. It hardly yellows after curing and long-term light radiation, so it can be used in occasions where yellowing requirements are stricter, such as white, light ink and paint. In addition, it has bleaching effect on light, which can penetrate the coating and help the thick film to be cured thoroughly. info at hhochem.com

Chemical name: Bis(2,6-difluoro-3-(1-hydropyrrol-1-yl)phenyl)tita , nocene CAS No.：125051-32-3 Molecular formular：C30H22F4N2Ti 10* Molecular weight： 534.4 Molecular structure Specification Appearance: Orange to yellow powder Purity, %: ≥99 Melting point, ℃: 160 - 170 Application Photoinitiator 784 is an extremely reactive, orange colored solid photoinitiator for radical olymerisation of unsaturated resins upon exposure to visible light (daylight) or UV light. It has a wide absorption in UV spectrum with the typical absorptions at 390 & 460 nm and the absorption extends to 500 nm. It is especially suited for the curing of photopolymers for imaging or information storage applications. It may be used in UV curable formulations for clear and for pigmented coatings on wood, metal, plastic, paper and optical fibers as well as for printing inks. Its unique absorbance properties together with its outstanding reactivity make it especially suited for use in photopolymers, e.g. resists, printing plates and other information storage devices such as optical layers, holograms, laser direct imaging, stereolithography. Curing can be performed either using UV light, visible light (blue-green part of the spectrum) or even light from suitable laser devices, e.g. Ar-Laser (488nm) or FD-Nd/YAG-Laser (532nm). Best performance is obtained if oxygen is excluded from the resin system during curing. info at hhochem.com

Chemical name: 2-Dimethylamino-2-(4-methyl-benzyl)-1-(4-morpholin , -4-yl-phenyl)- butan-1-one CAS No.: 119344-86-4 Molecular formula: C24H32N2O2 Molecular weight: 380.5 Molecular structure Specification Appearance: Pale yellow crystal Purity, %: ≥ 98.5 Melting point, °C: 87 - 93 Loss on drying, %: ≤ 0.25 Ash, %: ≤ 0.1 Application Photoinitiator 379 has good curing effect in tint/dark pigments, good solubility in acrylate solution and has good dispersibility. Applicable to mixed liquids: good versatility in formulations of various color systems, high efficiency in application of dark thick film coatings; can be used as ink additives in high efficiency/high performance printing process; excellent film performance. Its red- shifted adsorption spectrum makes it especially suitable for UV curable inks. It can be used alone or in combination with suitable co-initiators, such as 184, 651 or ITX etc. info at hhochem.com

Chemical name: 2-Benzyl-2-(dimethylamino)-4'-morpholinobutyro , phenone CAS No.: 119313-12-1 Molecular formula: C23H30N2O2 Molecular weight: 366.5 Molecular structure Specification Appearance: Slightly yellow powder Purity, %: ≥ 99 Melting range, °C: 110 - 119 Volatility, %: ≤ 0.3 Application Photoinitiator 369 is a highly efficient photoinitiator which combines fast cure response in dark colors, low migration and reduced odor on UV exposure. It is used for the photopolymerization of free radicals. It is used in UV curing inks and coatings. It is very suitable for the curing of UV colored system, especially the blue and black color phase system UV curing, and even the systems containing ultraviolet absorbents. It is also applied to the offset printing, silk screen printing ink, printing plates etc. It can be used in combination with other photoinitiators such as 184, 651, 907, ITX. info at hhochem.com

Chemical name: 1-Hydroxycyclohexyl Phenyl Ketone CAS No.：947-19-3 Molecular formular：C13H16O2 Molecular weight：204.26 Molecular structure Specification Appearance: White crystalline powder Purity, %: ≥99 Melting point, ℃: 46 - 49 Volatility, %: ≤ 0.2 Light transmittance, %: 425nm ≥ 98 500nm ≥ 99 Application Photoinitiator 184 has a high light triggered activity, good thermal stability and does not produce the yellowing. It is the most commonly used photoinitiator maximum absorption wavelength of 333nm. It is used as an effective UV curing initiator and non - variable yellow photoinitiator. It is widely used in copying varnish, plastic coatings, wood paints, and so on. It is added with other photopinitiator. info at hhochem.com

Properties: Colorless liquid, with characteristic odor. Relative density D4 201.326, melting point-96.7℃, Boiling point: 40.4℃, If it is mixed with high concentrated Oxygen, the explosive mixture is formed but it is not inflammable. It is one of the low-boiling-Point industrial solvents that have small ltoxicity, no inflammable. It has good solubility for many resin, waxand fat, soluble in water slightly, easy soluble in other chloro solvent, ethoxyethane and ethanol. Dichloromethane can take place hydrolysis with water in a certain temperature. The commercial dichloromethane often contains stabilizer in order to prevent decomposition. Usage: Dichloromethane has strong solubility and no toxicity, ect advantages. It is widely used for manufacturing safety film and orthocarbonate and can also be used for solvent of paint, cleaner for metal, gas-fog spray agents, polyurethane foaming agent, mold-release agent, paint remover. Dichloromethane is also used in the manufacture of photographic film and has been used to remove caffeine from coffee. Packaging: 250kg or 270kg drums Technical Data Sheet: Parameter Guarantee Excellent grade First grade Appearance Colorless and clear liquid Colorless and clear liquid Color(Pt-Co)≤ 10 10 Acidity (HCl)%≤ 0.0004 0.0004 Moisture(%)≤ 0.01 0.02 Purity(%)≥ 99.9 99.5 Residue after evaporation(%)≤ 0.0005 0.0005

Minimum Order: 20 square metres

4-溴丁酸乙酯 CAS： 2969-81-5 Ethyl 4-bromobutyrate CAS： 2969-81-5 Overview: Common Name：Ethyl 4-bromobutyrate Other chemical name: 4- Bromobutanoicacid,ethylester;BrCH2CH2CH2C(O) , OC2H5;Butanoicacid,4- bromo-,ethylester;Ethylga , mma-bromoChemicalbookbutyrate;ETHYL4-BROMO-N- B , UTYRATE;ETHYL4-BROMOBUTYRATE;ETHYLGAMMA-BROMO-N-BU , TYRATE;ETHYLG- BROMOBUTYRATE MF： C6H11BrO2 MW： 195.05 CAS： 2969-81-5 Melting Point: 98-100°C Boiling Point: 80-82°C/10mmHg(lit.) Density: 1.363g/mL at 25°C(lit.) Refractive Index: n20/D1.456(lit.) Flash Point: 195°F Storage Conditions：Keep in dark place ,Inertatmosphere, Roomtemperature Chloroform： (Sparingly), EthylAcetate (Slightly), Methanol (Sparingly) Form： Liquid Specific Gravity: 1.363 Color: Clear colorless to yellow Water Solubility: Immiscible purity: ≥97% Features and uses: Ethyl 4-bromobutyrate is a carboxylate derivative, which is colorless and transparent to yellow liquid. It can be used as Intermediates for epilepsy drugs. It can also used as a pesticide and pharmaceutical intermediate, and can be used in laboratory research and development process and chemical production process. Storage Information： Keep in dark place ,Inertatmosphere, Roomtemperature

Minimum Order: 10 long tons

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. F , lash 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)

Minimum Order: 100

Pu catalyst: K-15 Active ingredients: CAS:3164-85-0 Overview: Common name: Potassium isooctanoate solution Other Chemical names: Potassium2-ethylhexanoate,99.9%(metalsbasis),7 , 5%w/wsoln.;PotassiuM2- ethylhexanote;PotassiuM2 , -Ethylhexanoatehydratate;KaliumOctoate;Potassium2- , ethyChemicalbooklhexanoatesolution,75wt.%solut , ion,99.9%tracemetalsbasis;2- ethyl-hexanoicacip , otassiumsalt;2-ETHYLHEXANOICACIDPOTASSIUMSALT;POTA , SSIUM2- 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

Minimum Order: 100

PU catalyst： MB20 CAS#: 34364-26-6 Overview: Common Name: BISMUTH NEODECANOATE Other Chemical Names: Neodecanoicacid,bismuth(3+)salt;neodecanoicaci , d,bismuth(3++)salt;BISMUTHNEODECA NOATE;BIS , MUTH , (III)NEODECANOATE;bismuth(3+)neodecanoate;BISMUChe , micalbookTHNEODE CANOATE,TECH;Bismuth(III)n , eode , canoate,superconductorgrade~60%inneodecanoicac , id(< , br>15- 20%Bi);Bismuth(III)neodecanoate,super , conduct , orgrade 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

Minimum Order: 100

DMAEE CAS:1704-62-7 2-[2-(Dimethylamino)ethoxy]ethanol Overview: Common Name: 2-[2-(Dimethylamino)ethoxy]ethanol Other Chimical Names: 2-[2-(dimethylamino)ethoxy]-ethano;Ethanol, 2-2- (dimethylamino)ethoxy-;N,N-Dimethyl-2-(2-& , lt; , br>aminoethoxy)ethanol;Dimethylaminoethoxye , thanol; , N,N- Dimethyldiglycolamine;Texacat ZR-70 MF： C6H15NO2 MW：133.19 CAS： 1704-62-7 Physical and chemical properties: Form: liquid Odour: mild, amine-like Colour: colourless to yellow pH value: 11.5 ( 1.. g/l) Melting point: No data available Boiling point: 235 °C ( 1.13 hPa) Vapour pressure: < 1 mbar ( 25 °C) Density: 0.9549 g/cm3 ( 20°C) Relative density: 0.9549 ( 20 °C) Partitioning coefficient n -1.21 (calculated) octanol/water (log Pow): Viscosity, dynamic: 1. mPa.s ( 25 °C) Solubility in water: Molar mass: 133.19 g/mol Features and uses: PC-37 is colorless or light yellow liquid at room temperature, soluble in water; PC-37 is a low odor reactive catalyst for rigid packaging foam. Its structure contains active hydrogen, which can react with -NCO and combine into the system, so the smell of finished products is greatly reduced. NT CAT PC-37 can also be used for molding soft foam and polyether polyurethane soft block foam. Storage Information: Store in a cool and ventilated warehouse. Keep away from fire and heat. Protect from direct sunlight. Keep container sealed. It should be stored separately from oxidant and edible chemicals, and mixed storage is forbidden. Firefighting equipment of corresponding variety and quantity shall be provided. Package: 190KG/Steel Drum (PC37, PC-37, POLYCAT 37/Jeffcat ZR-70/DABCO DMAEE/Lupragen N107/ Toyocat RX3/equal)

Minimum Order: 100