Chemical Auxiliaries

Chemical name: 3,9-bis{2-[3-(3-tert-butyl-4-hydroxy-5- methylp , henyl)propionyloxy]-1,1-dimethyl}-2,4,8,10-tetraox , aspiro[5,5]undecane CAS No.：90498-90-1 Molecular formula：C43H64O10 Molecular weight：740.97 Molecular structure Specification Appearance：White Powder Assay, %: ≥ 98 Melting point，℃：112.5 - 116 Ash, %：≤ 0.1 Transmittance: 425nm ≥ 96% 500nm ≥ 98% Application ANTIOXIDANT HONOX-80 is highly efficient radical scavenger, exceptional processing and long-term heat stabilization. It has excellent resistance to discoloration and particularly against NOx gas. It is used for Polyolefins (PE, PP, TPO), Engineering plastics (PBT, Polyacetal, Polyamide), Styrene polymers (HIPS, ABS), Polyurethane fiber, TPU, Latex and unsaturated Elastomers. Excellent synergistic effect to long term heat stability with thioether secondary antioxidant like DSTDP,DLTDP. info at hhochem.com

Chemical name： 4,4’-Thiobis(2-t-butyl-5-methylphenol) CAS No.：96-69-5 Molecular formula：C22H30O2S Molecular weight：359 Molecular structure Specification Appearance：White crystalline powder Assay, %: ≥ 98.50 Melting point，℃：160-164 Loss on drying (100deg C 4hrs), %: 0.10max. Ash content,%：0.05max. Chloride,%: 0.2max. Iron content (as Fe)(ppm): 10.0max. Fineness (residue on 425um),%:0.5 max. Solubility (25℃, g/100g solvent) Water＜0.1 Acetone＞50 Methanol＞50 n-Hexane:0.1 Ethyl Acetate＞50 Application ANTIOXIDANT HONOX-300 is a highly efficient and multi-functional sulfur containing hindered phenolic antioxidant. It possesses excellent structure and dual effects of main and auxiliary antioxidants. It can achieve good synergistic effects when combined with carbon black. It can obtain a unique effect when utilized in polyethylene pipe materials with high density, black polyethylene materials for outdoor use and polyethylene wire and cable materials including communication cable sheathing materials, insulation materials and semi-conductive shielding material. It has a specially effect on polyethylene electrical wire, cable or cross linking polyethylene cable. It is the special antioxidant for polyethylene cable materials. It is also widely used in plastics, rubber and oil products, such as polyethylene, polypropylene, natural rubber, latex, diesel oil, lubricating oil. info at hhochem.com

Chemical name: Pentaerythritol tetrakis(2-cyano-3,3-diphenylacrylate) CAS No.: 178671-58-4 Molecular formula: C69H48N4O8 Molecular weight: 1061.14 Molecular structure Specification Appearance: White crystalline powder Assay, %: ≥98.5 Melting point :175-178 degree Loss on Drying, %: ≤0.5 Transmittance: 460nm≥95% 500nm≥98% Application UV ABSORBER HOSORB UV 3030 can strongly absorb UV wavelength in range 280-320nm and exhibits excellent heat stability and minimum volatility due to its high molecular weight. It can be used to stabilize polymers with high extrusion temperatures. It is suitable for PA and PET. Especially suitable for stabilizing polycarbonates due to the good compatibility with the production process and excellent stabilizing effect.

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

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

TMEDA (N,N,N',N'-Tetramethylethylenediamine) , CAS No.110-18-9 Over view Common Name: N,N,N',N'-Tetramethylethylenediamine Ot , her Chemical Names: N,N,N',N'-Tetramethylethane-1,2-diamine, electrophoresis grade;Four MethylEthylenediaMine;N,N,N',N'-TetraMethy , lethylenediaMine 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)

Minimum Order: 100

NT CAT DMP-30 CAS: 90-72-2 Tris(dimethylaminomethyl)phenol Overview: Common Name: Tris(dimethylaminomethyl)phenol Other Chemical Names: Tris(dimethylaminomethyl)phenol,2,4,6-;2,4,6-& , lt; , br>TRI(DIMETHYLAMINOETHYL)PHENOL;a,a',a , '&# , 39;- Tris(dimethylamino)mesitol;ProChemicalbook , texNX3;TAP(aminophenol);VersamineEH30 ;Tris , -(di , methylaminemethyl)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)

Minimum Order: 100

NT CAT T CAS:2212-32-0 2-[[2-(dimethylamino)ethyl]methylamino]ethanol , Overview: Common name: 2-[[2-(dimethylamino)ethyl]methylamino]ethanol , Other chemical names: N,N,N’-Trimethyl-N’-(2-hydroxyethyl)-1,2-ethan , ediamine; N-[2-(Dimethylamino)ethyl]-N-methylet , hanolamine;CATALYSTJD-36;N,N,N''- Trime , thyl-N''-(2-hydroxyethyl)-ethyChemicalbook , lenediamine;DABCOT;2-[Methyl[2- (dimethylamino) , ethyl]amino]ethanol;N,N,N′-trieMthylaMinoethyl-N , ′- MethylaMinoehylanol;2-[[2-(dimethylamino)e , thyl]methylamino]etanol MF： C7H18N2O MW： 146.23 Typical Properties Flash Point, °C (PMCC) 89 Viscosity @ 25 °C mPa*s1 7 Specific Gravity @ 25 °C (g/cm3) 0.91 Water Solubility Soluble Calculated OH Number (mgKOH/g) 387 Appearance Pale yellow liquid CAS： 2212-32-0 < , br> Features and uses: Applications for NT CAT T include spray foam insulation, flexible slabstock, packaging foam, automotive instrument panels and other areas where a catalyst providing low residual odor or non-migrating performance is required. The usage levels of NT CAT T are dependent on the requirements of the particular application. When producing flexible or molded foams, it is recommended that NT CAT T be used in conjunction with a strong gelling catalyst such as 33-LV catalyst. 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 Equal to Dabco T/Jeffcat Z-110/Lupragen N400/PC CAT NP80/Toyocat RX5

Minimum Order: 100

Product Name: 1-Boc-4-Piperidone Synonyms: N-(tert-Butoxycarbonyl)-4-piperidone CAS NO.: 79099-07-3 Purity: 99% Molecular Formula: C10H17NO3 Molecular Weight: 199.25 Appearance: White Powder Density: 1.1249 (rough estimate) Grade: Pharmaceutical grade Usage: 1-t-Boc-4-piperidone is a compound useful in organic synthesis.

Minimum Order: 1 bags