Organic Chemicals

Glucose is a simple sugar monosaccharide having two isoforms, alpha and beta, with a chemical structure of C6H12O6 that acts as an energy source for both plants and animals by reacting with oxygen, generating carbon dioxide and water, and releasing energy. Specification Meltin , g Point 155 °C Boiling Point 232.96°C (rough estimate) Density 1.5620 Refr , active Index 53 ° (C=10, H2O) Storage Condition Refrigerator Appearance White Color Powder. Stab , ility If used and stored according to specifications, it will not decompose, no known hazardous reaction

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Pinacolone is an organic compound with the chemical formula of C6H12O. It is a colorless transparent liquid, soluble in ethanol, ether and acetone, slightly soluble in water, volatile in steam, with the smell of mint. It is often used as a solvent and extractant, and can also be used in organic synthesis. Specification Mel , ting Point -52.5 °C Boiling Point 106 °C(lit.) Density 0.801 g/mL at 25 °C(lit.) Refractive Index n20/D 1.396(lit.) Flash point 75 °F Storage Condition Flammables area Solubility 19g/l Appeara , nce Liquid Color Clea , r colorless to light yellow Odor 0.043ppm Water Solubility 2.44 g/100 mL (15 ºC) Stability Stable. Incompatible with strong oxidizing agents. Flammable. InChIKey PJGSXYOJTGTZAV-U , HFFFAOYSA-N Safety Information Dangerous Goods Sign F,Xn,Xi Hazard Category Code 11-22-10 Safety Instructions 9-16-29-33-20/21 Danger , ous Goods Transportation No UN 1224 3/PG 2 WGK Germany 2 RTECS EL7700000 , Hazard Note Irritant/Highly Flammable TSCA Yes Hazard Level 3 Packaging Category II HS CODE 29141990

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D-ribose is an important five-carbon monosaccharide with chemical formula C5H10O5. It is an important component of RNA and ATP, and plays an important role in the formation of life. D-ribose is also an important drug intermediate used in the production of various nucleic acid drugs. Specification Melting Point 88-92 °C(lit.) Boiling Point 191.65°C (rough estimate) Density 1.1897 (rough estimate) Refractive Index -21 ° (C=1, H2O) Storage Condition 2-8°C Solubility H , 2O: 0.1 g/mL, clear, colorless to light yellow Appearance Crystalline Powder Acidity Coefficient (pKa) 12.46±0.20(Predicted) Color White to light beige or slightly yellow PH 7 Water Solubility Soluble in water. Insoluble in ether. InChIKey HMFHBZSHGGEWLO-SOOFD , HNKSA-N Safety Information Dangerous Goods Sign Xi Hazard Category Code 36/38 Safety Instructions 24/25-37/39-26 WGK Germany 3 RTECS VJ2275000 , F 3-10 TSCA Yes HS CODE 29400090

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Product Name: 4-Chlorophenol CBNumber: CB9477357 MF: C6H5CIO MW: 128.56 CAS: 106-48-9 Usage: Agro-intermediate Product Name 4-Chlorophenol Other Name 4-Chlorophenol solution Parachlorophenol Para chlorophenol 4-chloro phenol 4-chloro-1-hydroxybenzene 4-chloro-ph , eno 4-Chlorophenol(form2) 4-chloro-phenole Applied 3-78 applied3-78 chlorophenols,solid p-Ch , lorfenol P-CHLORO PHENOL 4-Hydroxychlorobenzene 4-chlorophenol , Benzene, 1-chloro-4-ethoxy- Chlorophenol CAS 106-48-9 EINECS 203-402-6 Molecular Formula C6H5ClO Molecular Weight 128.609 inchi InChI=1/C8H9ClO/c1-2-10-8-5-3-7(9)4-6-8/h3-6H,2H2, , 1H3 Density 1.103g/cm3 Boiling point 213°C at 760 mmHg Flash point 83.7°C Vapor pressure 0.245mmHg at 25°C Refractive index 1.51 Dangerous goods sign Xn;N Risk term R20/21/22;R51/53  Security term S28A;S61 Dangerous Goods Transport Number UN 2904;UN 2905;UN 2020

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China hexamethylcyclotrisiloxane supplier preferred Clent Chemical. Factory direct sales, higher content, more stable quality. High content, high quality, large quantity and better price! Hexamethylcyclotrisiloxane operation process 1.Deployment ratio: hexamethylene cyclotrisiloxane: compound = 1:1 (mass ratio) mixed evenly, get shrinkage agent. 2.vulcanization: according to the demand will be mixed with good shrinkage agent into silicone rubber mixing uniform, after a period of vulcanization, and then by 180 degrees Celsius an hour of 2 vulcanization. Storage methods of hexamethylcyclotrisiloxane Hexamethylcyclot , risiloxane stored in a cool, dry, well ventilated warehouse. Keep away from fire and heat. Keep out of direct sunlight. The package is sealed. It should be stored separately from acids and edible chemicals and should not be mixed. The storage area should be equipped with suitable materials to contain leaks. Hexamethylcyclotrisiloxane purposes In addition to the synthesis of general organosilicon polymer, can also be used to prepare specific organosilicon compounds, as a variety of surface treatment agent, coupling agent, crosslinking agent, etc Hexamethylcyclotrisiloxane technical indicators 1.Appearance: white crystalline solid; 2.quality score /% : ≥98; 3.density: (25℃, g/cm3) : 1.02; 4.melting point: 64.5℃ 5.boiling point: 134℃ 6.Solubility: soluble Hexamethylcyclotrisiloxane matters needing attention Irritates eyes, respiratory system and skin. Hexamethylcyclotrisiloxane; D3, white crystal, melting point 75℃, shrinkage rate 0.6-0.8%, used for silicone rubber shrinkage treatment. Specification Mel , ting Point 50-64 °C (lit.) Boiling Point 134 °C (lit. Density 1.02 Refractive Index 1.417 Flash point 95 °F Storage Condition Inert atmosphere,Room Temperature Solubility soluble in most organic solvents. Appearance solid Co , lor White to Almost white Water Solubility may decompose Stability Stable, but moisture sensitive. Incompatible with strong oxidizing agents. Highly flammable. Safety Information Dangerous Goods Sign F,Xi Hazard Category Code 11-36/37/38 Safety Instructions 26 Dangerous Goods Transportation No UN 1325 4.1/PG 2 WGK Germany 3 RTECS GZ4705000 , Hazard Note Irritant TSCA Yes Hazard Level 4.1 Packaging Category II HS CODE 29319090

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Product Name: 3-Mercaptopropionic Acid CBNumber: CB1852730 MF: C3H6O2S MW: 106.14 CAS: 107-96-0 Usage: Agro-intermediate Product Name 3-Mercaptopropionic acid Other Name 3-Mercaptopropanoic Acid Thiopropionic acid Mercapto Propionic Acid 3-sulfanylpropanoic acid 3-sulfanylpropanoate CAS 107-96-0 EINECS 203-537-0 Molecular Formula C3H5O2S Molecular Weight 105.136 inchi InChI=1/C3H6O2S/c4-3(5)1-2-6/h6H,1-2H2,(H,4,5)/p-1 , Density 1.218 g/mL at 25 °C (lit.) Boiling point 217.4°C at 760 mmHg Flash point 100.7°C Vapor pressure 0.0509mmHg at 25°C Refractive index n20/D 1.492(lit.) Dangerous goods sign T Risk term R23/24/25;R34  Security term S26;S36/37/39;S45 Dangerous Goods Transport Number UN 2922

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Octamethylcyclotetrasiloxane(D4) is colorless, insoluble in water, soluble in organic solvents . Polymerization of organic silicone polymer under acid-base catalysis is the basic raw material of silicone oil and silicone rubber. It can also be directly used as rubber filler treatment agent and cosmetic raw material.  Cas: 556-67-2 Molecular Formula: C8H24Si4O4              ,                   Molecular Weight: 296.63 EINECS:209-136-7 Flashing Point: 56 °C Density (P20)g/cm3: 0.956 Appearance Colorless and transparent oily liquid Chroma/Hazen ≤10 Purity/% ≥99 Density： （ 25℃ ， g/cm3） 0.9558 Melting Point 17.6℃ Boiling point 175.8℃ Refraction index（ 25℃ ） 1.3960~1.3970 【 Standard】 GB/T 20435-2006 【 Application】 It’s a basic raw material of silicone oil (modified silicone oil),silicone emulsion,silicone rubber ,silicone resin and other silicone products, and can also be directly used as rubber filler treatment agents or raw material for cosmetics. 【 Precautions】 The mixture of vapor and air is explosive. It’s easy to form explosive mixtures when fine dispersion composition in the air .Static electricity will be accumulated and may ignite vapors. Prevent a possible fire hazard by bonding and grounding or using inert gas purge. Keep container closed and away from heat, sparks, and flame. 【 Package storage and transportation】 1、 Packing:200L iron drum(N.W.190 ㎏/drum） ； IBC （ N.W. 950 kg） 2、 Transportation:Keep container closed and away from heat, sparks, flame and the direct sunlight, acid and alkali 3、 Storage:Stored at 20℃ ～40℃ warehouse, pls do the antifreeze preparations when the temperature is below 17 ℃. 4、 Shelf time:6 months.Beyond the time ,it can still be used after re-test,if the test result meets the requirement of this standard.

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Product Name: Isosorbide dimethyl ether Other Name: 1,4:3,6-Dianhydro-2,5-di-O-methyl-D-glucitol; DMI CAS NO.: 5306-85-4 Assay: 99.0% Appearance: Clear colorless liquid Acid value: 1.5mg KOH/g Usage: Pharmaceutical and organic synthesis intermediates, cosmetic raw materials and solvent Package: 200kg/drum or as customized Product Name Isosorbide dimethyl ether Other Name 1,4:3,6-Dianhydro-2,5-di-O-methyl-D-glucitol; DMI CAS 5306-85-4 EINECS 226-159-8 Molecular Formula C8H14O4 Molecular Weight 174.19 inchi InChI=1/C8H14O4/c1-9-5-3-11-8-6(10-2)4-12-7(5)8/h5 , -8H,3-4H2,1-2H3 Density 1.15 Boiling point 93-95 ºC (0.1 mmHg) Flash point 108 ºC Vapor pressure 0.073mmHg at 25°C Refractive index 1.462 Dangerous goods sign / Risk term / Security term S23;S24/25 Dangerous Goods Transport Number /

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Dicyclopentadiene (DCPD) is an organic compound with the chemical formula C10H12. It is a dimer produced by Diels-Alder reaction of cyclopentadiene. It has two isomers, internal and external. It is colorless crystal, insoluble in water, soluble in alcohol, ether and carbon tetrachloride. Speficication MeltingPoint 33 °C(lit.) BoilingPoint 170 °C(lit.) Density 0.986 g/mL at 25 °C(lit.) RefractiveIndex n20/D 1.511 Flash point 114 °F Storage Condition Store below +30°C. Solubility mmiscible with water. Appearance Liquid Colo , r Clear Water Solubility mmiscible with water. Stability Stable at room temperature, but may form explosive peroxides if stored in contact with air. Incompatible with oxidizing agents. Decomposes on heating. Flammable. Mixtures of the vapour with air are explosive InChIKey HECLRDQVFMWTQS-UH , FFFAOYSA-N Safety Information DangerousGoodsSign F,Xn, , N,T Hazard Category Code 11-20/22-36/37/38-51/53-23-22-10 SafetyInstructions 36/37-61-45-26 , DangerousGoodsTransportation No UN 2048 3/PG 3 WGK Germany 3 TSCA Yes Packaging Category III HS CODE 2902199 Toxicit LD50 orally in Rabbit: 353 mg/kg LD50 dermal Rabbit 4940 mg/kg

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Product Name: 2,3-Dihydrofuran CAS NO.:1191-99-7 Assay: 99.0%min Appearance: colourless transparent liquid Package: 180kg/iron-drum and long-term inventory Usage:Pharmaceutical intermediates and Organic synthesis intermediates Product Name 2,3-Dichloropropene Other Name 2,3-dihydrofuran stab 2,3-DHF 2,3-dihydro-fura 2,3-Dihydro , genfuran 4,5-Dihydrofuran 2 3-DIHYDROFURAN 99+% 2,3-DIHYDROFURANE CAS 78-88-6 EINECS 214-747-7 Molecular Formula C4H6O Molecular Weight 70.0898 inchi InChI=1/C4H6O/c1-2-4-5-3-1/h1,3H,2,4H2 Density 0.959g/cm3 Boiling point 54.5°C at 760 mmHg Flash point -24°C Vapor pressure 258mmHg at 25°C Refractive index 1.45 Dangerous goods sign F;Xn   Risk term R11;R19;R22;R36 Security term S16;S18;S26;S39 Dangerous Goods Transport Number UN 2047

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3,4-Dihydropyran is mainly as a pharmaceutical intermediate. Alcohol group protection reagent; widely used in hydroxyl group protection reagent. Dihydropyran is chemically active, and tetrahydropyran, pentanediol, glutaric acid, valerolactone, pentadiene and resin products can be produced through polymerization, hydrogenation, oxidation and other reactions. Product Name: 3,4-dihydropyran Other Name: 2,3-dihydropyran CAS NO.: 110-87-2 Assay: 98.0%min Appearance: colorless transparent liquid Package: 180kg/iron-drum and long-term inventory Usage:Pharmaceutical and organic synthesis intermediates, Hydroxyl protection agents. Product Name 3,4-dihydropyran Other Name 3,4-Dihydro-2H-pyran; 2,3-Dihydro-4H-pyran ; 5,6-Dihydro-4H- pyran ; DHP CAS 110-87-2 EINECS 203-810-4 Molecular Formula C5H8O Molecular Weight 84.1164 inchi InChI=1/C5H8O/c1-2-4-6-5-3-1/h2,4H,1,3,5H2 Dens , ity 0.9221 (19/15℃) Boiling point 86-87℃ Flash point -15℃ Vapor pressure 77.8 hPa (20 °C) Refractive index 1.4402 (19℃) Dangerous goods sign F,Xi Risk term R11R36/37/38 Security term S9S16S33 Dangerous Goods Transport Number UN2376 3/PG 2

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Product Name: Tetrahydro-4H-pyran-4-one CAS NO.: 29943-42-8 Other Name: 4-Oxotetrahydropyran; Tetrahydropyran-4-one Assay: 99.0% min Appearance: Colorless transparent liquid Packing: 200kg/drum and long-term inventory Usage: Pharmaceutical intermediates and organic synthesis intermediates Product Name Tetrahydro-4H-pyran-4-one Other Name I4-Oxotetrahydropyran; Tetrahydropyran-4-one CAS 29943-42-8 EINECS 249-967-2 Molecular Formula C5H8O2 Molecular Weight 100.12 inchi InChI=1/C5H8O2/c6-5-1-3-7-4-2-5/h1-4H2 Density 1.084 Boiling point 166-166.4℃ Flash point 56℃ Vapor pressure / Refractive index n20/D 1.452(lit.) Dangerous goods sign F,Xi Risk term R10-36/37/38 Security term S24/25-36-26 Dangerous Goods Transport Number UN 1224 3/PG 3

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2-Aminothiazole is a heterocyclic amine and is the beginning reagent for the synthesis of many pharmaceutical and agricultural related compounds. Reactivity Profile 2-Aminothiazole reacts violently when nitrated with nitric or nitric-sulfuric acids. 2-Aminothiazole is also incompatible with strong oxidizing agents, strong acids, acid chlorides and acid anhydrides. Product Name: 2-Aminothiazole Other Name: 2-Thiazolamine CAS NO.: 96-50-4 Assay: 99.0%min Appearance: Pale yellow crystal powder Package: 25kg/drum and long-term inventory Usage: Electronic chemicals and dyestuff intermediates,organic synthesis Intermediates Product Name 2-Aminothiazole Other Name 2-Thiazolamine CAS 96-50-4 EINECS 202-511-6 Molecular Formula C3H4N2S Molecular Weight 100.14 inchi InChI=1/C3H4N2S/c4-3-5-1-2-6-3/h1-2H,(H2,4,5) D , ensity 1.241 (estimate) Boiling point 117 ºC (15 mmHg) Flash point 117°C/15mm Vapor pressure <1 hPa (20 °C) Refractive index 1.5300 (estimate) Dangerous goods sign Xn Risk term R22;R36/37 Security term S26;S39  Dangerous Goods Transport Number UN2811

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2-Amino-5-nitrothiazole, as an important intermediate for the preparation of azo heterocyclic dyes. Product Name: 2-Amino-5-nitrothiazole Other name: aminzolsoluble ; 5-nitro-2-Thiazolamine CAS NO.:121-66-4 EINECS NO.:204-490-9 Molecular formula:C3H4N2O3S Melting point:196-204℃ Assay: 99.0% Appearance: Greenish-yellow to orange or brown powder Package: 25kg/drum or as customized Usage: As an important intermediate of pharmaceutical and dye. Product Name 2-Amino-5-nitrothiazole Other Name aminzolsoluble ; 5-nitro-2-Thiazolamine CAS 121-66-4 EINECS 204-490-9 Molecular Formula C3H3N3O2S Molecular Weight 145.14 inchi 1S/C3H3N3O2S/c4-3-5-1-2(9-3)6(7)8/h1H,(H2,4,5) , Density 1.583 (estimate) Boiling point 196-204ºC Flash point / Vapor pressure / Refractive index 1.6740 (estimate) Dangerous goods sign Xn Risk term R40;R20/21/22 Security term S45;S24/25 Dangerous Goods Transport Number UN2811

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