Chemical Auxiliaries

RUBBER ANTIOXIDANT RTENZA 4020 (6PPD) Chemical Name N-(1,3-dimethylbutyl)-N'-phenyl-p- phenylen , ediamine Molecular Formula C18H24N2 Molecular Structure Molecular Weight 268.40 CAS No. 793-24-8 Specification Item Specification Appearance Grayish brown to brown Granular Crystallizing Point,℃ ≥ 45.5 Loss on Drying, % ≤ 0.50 Ash, % ≤ 0.10 Assay, % ≥ 97.0 Properties Gray purple to puce granular, relative density is 0.986-1.00. Soluble in benzene, acetone, ethyl acetate, toluene dichloroethane and slightly soluble in ether, do not dissolve in water. Provides powerful and antioxidant properties with excellent high temperature and flexing resistance to rubber compounds. Application Application range include the use in pneumatic tire components, solid tires, conveyor, hoses, cables, bushings, automotive mounts and general rubber products that are exposed to continuous and intermittent dynamic operating conditions and require protect ozone . 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

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

Product Name: 2-iodo-1-p-tolyl-propan-1-one Synonyms: 2-IODO-1-P-TOLYL- PROPAN-1-ONE;1-Propanone, 2-iodo-1-(4- methylphenyl)-;2-Iodo-1-p-tolylpro , pan-1-one 2-Iodo-1-(4-methylphenyl)-1- propanone 2-Iodo-1-(4-methylphenyl)-propan-1-one 2-Iodo-1-(p-methylphenyl)-1- propanone 2-Iodo-1-(p-methylphenyl)-propan-1-one 2-Iodo-4'-methylpropiophenone α-Iodo-4'-methylpropiophenone 2-йод;OEM α-Iodo-4-methylpropiophenone;2- Iodo-1-(4-meth , ylphenyl)-1-propanone;alpha-Iodo-4'-methylprop , iophenone;2-io2- iodo-1-p-tolyl-propan-1-onedo- , 1-p-tolyl-propan-1-one;2-iodo-1-p-tolyl-propan-1-< , br>one Basic information CAS: 236117-38-7 MF: C10H11IO MW: 274.1 EINECS: 200-510-5 Product Categories: 236117-38-7 Mol File: 236117-38-7.mol 2-iodo-1-p-tolyl-propan-1-one Structure 2-iodo-1-p-tolyl-propan-1-one Chemical Properties Boiling point 310.5±25.0 °C(Predicted) density 1.584±0.06 g/cm3(Predicted)

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

Contact us for more details WhatsApp: + 8613132489528 Email :gantuo05@cngantuo.com Website：https://gantuo , .en.alibaba.com/?spm=a2700.7756200.0.0.398b71d2zAp , BW3 Hot products: 2fdck（ketamine） Cocaine A-PVP 3MMC/4MMC 71368-80-4 (Bromazolam) 119276-01-6 (Protonitazene (hydrochloride) 2647-50-9 (Flubromazepam) 14680-51-4 (Metonitazene) 2079878-75-2 28910-91-0 (Flualprazolam) 39243-02-2( Pyrazolam) 40054-69-1( Etizaolam) 14176-50-2 (Tiletamine Hydrochloride) 959249-62-8 14030-76-3（Etod , esnitazene） 191790-79-1（4-Methylmethylpheni , date） 40054-73-7 (Deschloroetizolam) 79099-07-3 79-03-8 14 , 51-82-7 23076-35-9 (Xylazine hydrochloride) 7361-61-7( Xylazine) 28578-16-7 BMK/PMK 79-03-8 1 , 48553-50-8

Minimum Order: 1 bags

Chemical & Physical Properties Boiling Point 352.6ºC at 760 mmHg Molecular Formula C12H18ClNOS Molecular Weight 259.79500 Exact Mass 259.08000 PSA 57.34000 LogP 3.88890 Vapour Pressure 3.79E-05mmHg at 25°C Contact us for more details WhatsApp/Telegram: + 8613132489528 Wickerme：alicehappyday Email :gantuo05@cngantuo.com Website：https://gantuo , .en.alibaba.com/?spm=a2700.7756200.0.0.398b71d2zAp , BW3 Hot products: 2fdck 33125-97-2（Etomidate） Cocaine A-PVP 3MMC/4MMC 71368-80-4 (Bromazolam) alprazolam 119276-01-6 (Protonitazene (hydrochloride) 2647-50-9 (Flubromazepam) 14680-51-4 (Metonitazene) 2079878-75-2 28910-91-0 (Flualprazolam) 39243-02-2( Pyrazolam) 40054-69-1( Etizaolam) 14176-50-2 (Tiletamine Hydrochloride) 959249-62-8 14030-76-3（Etod , esnitazene） 191790-79-1（4-Methylmethylpheni , date） 40054-73-7 (Deschloroetizolam) 79099-07-3 79-03-8 14 , 51-82-7 23076-35-9 (Xylazine hydrochloride) 7361-61-7( Xylazine) 28578-16-7 BMK/PMK 79-03-8 1 , 48553-50-8

Minimum Order: 1 bags

Chemical & Physical Properties Molecular Formula C13H17NO3 Molecular Weight 235.283 Exact Mass 235.121 PSA 47.56 LogP 2.377 Contact us for more details WhatsApp/Telegram: + 8613132489528 Wickerme：alicehappyday Email :gantuo05@cngantuo.com Website：https://gantuo , .en.alibaba.com/?spm=a2700.7756200.0.0.398b71d2zAp , BW3 Hot products: 2fdck 33125-97-2（Etomidate） Cocaine A-PVP 3MMC/4MMC 71368-80-4 (Bromazolam) alprazolam 119276-01-6 (Protonitazene (hydrochloride) 2647-50-9 (Flubromazepam) 14680-51-4 (Metonitazene) 2079878-75-2 28910-91-0 (Flualprazolam) 39243-02-2( Pyrazolam) 40054-69-1( Etizaolam) 14176-50-2 (Tiletamine Hydrochloride) 959249-62-8 14030-76-3（Etod , esnitazene） 191790-79-1（4-Methylmethylpheni , date） 40054-73-7 (Deschloroetizolam) 79099-07-3 79-03-8 14 , 51-82-7 23076-35-9 (Xylazine hydrochloride) 7361-61-7( Xylazine) 28578-16-7 BMK/PMK 79-03-8 1 , 48553-50-8

Minimum Order: 1 bags

Chemical & Physical Properties Molecular Formula C23H31ClN4O3 Molecular Weight 446.970 Exact Mass 446.208466 Contact us for more details WhatsApp/Telegram: + 8613132489528 Wickerme：alicehappyday Email :gantuo05@cngantuo.com Website：https://gantuo , .en.alibaba.com/?spm=a2700.7756200.0.0.398b71d2zAp , BW3 Hot products: 2fdck 33125-97-2（Etomidate） Cocaine A-PVP 3MMC/4MMC 71368-80-4 (Bromazolam) alprazolam 119276-01-6 (Protonitazene (hydrochloride) 2647-50-9 (Flubromazepam) 14680-51-4 (Metonitazene) 2079878-75-2 28910-91-0 (Flualprazolam) 39243-02-2( Pyrazolam) 40054-69-1( Etizaolam) 14176-50-2 (Tiletamine Hydrochloride) 959249-62-8 14030-76-3（Etod , esnitazene） 191790-79-1（4-Methylmethylpheni , date） 40054-73-7 (Deschloroetizolam) 79099-07-3 79-03-8 14 , 51-82-7 23076-35-9 (Xylazine hydrochloride) 7361-61-7( Xylazine) 28578-16-7 BMK/PMK 79-03-8 1 , 48553-50-8

Minimum Order: 1 bags

Chemical & Physical Properties Density 1.2±0.1 g/cm3 Boiling Point 310.4±52.0 °C at 760 mmHg Molecular Formula C10H12N2O Molecular Weight 176.215 Flash Point 141.5±30.7 °C Exact Mass 176.094955 PSA 45.11000 LogP 1.59 Vapour Pressure 0.0±0.7 mmHg at 25°C Index of Refraction 1.609 Contact us for more details WhatsApp/Telegram: + 8613132489528 Wickerme：alicehappyday Email :gantuo05@cngantuo.com Website：https://gantuo , .en.alibaba.com/?spm=a2700.7756200.0.0.398b71d2zAp , BW3 Hot products: 2fdck 33125-97-2（Etomidate） Cocaine A-PVP 3MMC/4MMC 71368-80-4 (Bromazolam) alprazolam 119276-01-6 (Protonitazene (hydrochloride) 2647-50-9 (Flubromazepam) 14680-51-4 (Metonitazene) 2079878-75-2 28910-91-0 (Flualprazolam) 39243-02-2( Pyrazolam) 40054-69-1( Etizaolam) 14176-50-2 (Tiletamine Hydrochloride) 959249-62-8 14030-76-3（Etod , esnitazene） 191790-79-1（4-Methylmethylpheni , date） 40054-73-7 (Deschloroetizolam) 79099-07-3 79-03-8 14 , 51-82-7 23076-35-9 (Xylazine hydrochloride) 7361-61-7( Xylazine) 28578-16-7 BMK/PMK 79-03-8 1 , 48553-50-8

Minimum Order: 1 bags

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Minimum Order: 1 bags

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