Organic Chemicals

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Product name: Acetoxyacetyl chloride CAS No.: 13831-31-7 EINECS: 237-542-4 Molecular Formula: C4H5ClO3 Molecular Weight: 78.5 Appearance: Colorless to light yellow transparent liquid Assay: 98% Usage:Pharmaceutical intermediates ; Organic synthesis intermediates; Chemical auxiliaries Packing 250kg/drum and long-term inventory Product Name Acetoxyacetyl chloride Other Name 2-Chloro-2-oxoethyl acetate CAS 13831-31-7 EINECS 237-542-4 Molecular Formula C4H5ClO3 Molecular Weight 136.534 inchi InChI=1/C4H5ClO3/c1-3(6)8-2-4(5)7/h2H2,1H3 Dens , ity 1.281g/cm3 Boiling point 163.7°C at 760 mmHg Flash point 62.5°C Vapor pressure 2.04mmHg at 25°C Refractive index 1.424 Dangerous product sign C - Corrosive items Risk term R14-Reacts violently in contact with water. R34-Causes burns. Security term S26-After accidental contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39-Wear appropriate protective clothing, gloves and goggles or mask. S45-In case of accident or if you feel unwell, seek medical attention immediately (show the label if possible). S8-Keep the container dry. Dangerous Goods Transport Number UN 3265

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1,1-Dimethylurea is an off-white flake crystal. Soluble in water, ethanol, acetone, benzene and ethyl acetate, etc., insoluble in ether and gasoline. Melting point 101-104 °C(lit.) Specification Melt , ing Point 178-183 °C (lit.) Boiling Point 163.08°C (rough estimate) Density 1.255 Refra , ctive Index 1.4715 (estimate) Storage Condition Store below +30°C. Solubility Water: soluble5%, clear, colorless Appearance Powder A , cidity Coefficient (pKa) 14.73±0.50(Predicted) Color White to off-white Water Solubility Soluble BRN 1740666 Safety Information Dangerous Goods Sign Xi Hazard Category Code 36/37/3 Safety Instructions 26-36 WGK Germany 3 RTECS YS9867985 , TSCA Yes HS CODE 2924 19 00

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2-Mercaptobenzimidazole is chemical with molecular formula of C7H6N2S, which is mainly used in synthetic rubber, butadiene rubber, styrene-butadiene rubber, nitrile rubber and latex. Specification Melting Point 300-304 °C (lit.) Boiling Point 270.6±23.0 °C(Predicted) Density 1.42 R , efractive Index 1.5500 (estimate) Flash point >250°C Storage Condition 2-8°C Solubility 0 , .3g/l Appearance Powder Acidi , ty Coefficient (pKa) 10.24±0.10(Predicted) Color White to beige Water Solubility ＜0.1g/100ml at23.5℃ Safety Information Dangerous Goods Sign Xn Hazard Category Code 20/21/22-36/37/38-22 Safety Instructions 26-36-24/25 Dangerous Goods Transportation No UN 2811 6.1/PG 3 WGK Germany 2 RTECS DE1050000 , TSCA Yes Hazard Level 6.1 Packaging Category III HS CODE 29339910

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2-chloro-4-aminopyridine, white or light yellow crystals, melting point 89- 94°C, boiling point 299.9°C (760 mmHg), insoluble in water. Used as medicine, pesticide, pigment intermediate. Specification , Melting Point 90-94 °C(lit.) Boiling Point 153°C 5mm Density 1.2417 (rough estimate) Refractive Index 1.5110 (estimate) Flash point 153°C/5mm Storage Condition Keep in dark place,Sealed in dry,Room Temperature Solubility DMSO (Slightly), Methanol (Slightly) Appearance Crystalline Powder Acidity Coefficient (pKa) 4.73±0.30(Predicted) Color Light yellow Water Solubility Slightly soluble in water. InChIKey BLBDTBCGPHPIJK-UHFFF , AOYSA-N Safety Information Dangerous Goods Sign Xi Hazard Category Code 36/37/38 Safety Instructions 26-36-37/39-36/37/39 Da , ngerous Goods Transportation No 2811 WGK Germany 3 Hazard Note IRRITANT HS CODE 29333999

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Acetophenone, with molecular formula of C8H8O, is an organic compound, colorless or light yellow liquid, insoluble in water and easily soluble in most organic solvents. Specification Melt , ing Point 19-20 °C (lit.) Boiling Point 202 °C (lit.) Density 1.03 g/mL at 25 °C (lit.) Refractive Index n20/D 1.534(lit.) Flash point 180 °F Storage Condition Store below +30°C. Solubility 6.1g/l App , earance Liquid Color Clear colorless to light yellow Water Solubility 5.5 g/L (20 ºC) Stability Stable. Incompatible with strong oxidizing agents, strong bases, strong reducing agents. Combustible. InChIKey KWOLFJPFCHCOCG , -UHFFFAOYSA-N Safety Information Dangerous Goods Sign Xn,T,F Hazard Category Code 22-36-63-43-36/37/38-23/24/25-45-39/23 , /24/25-11-67-40 Safety Instructions 26-36/37-24/25-23-53-45-16-7 Dangerous Goods Transportation No UN 1593 6.1/PG 3 WGK Germany 1 RTECS AM5250000 , F 8 TSCA Yes Packaging Category III HS CODE 29143900

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5-chlorosalicylaldehyde is a chemical. Harmful if inhaled, ingested or absorbed through the skin. Irritating to eyes, skin, mucous membranes and upper respiratory tract. Specification Melting Point 100-102 °C(lit.) Boiling Point 217.69°C (rough estimate) Density 1.2683 (rough estimate) Refractive Index 1.5812 (estimate) Storage Condition Keep in dark place,Sealed in dry,Room Temperature Appearance Crystalline Powder Acidity Coefficient (pKa) 7.73±0.18(Predicted) Color White to very slightly yellow Sensitivity Air Sensitive BRN 636632 Safety Information Dangerous Goods Sign Xi,Xn Hazard Category Code 36/37/38-20/21/22 Safety Instructions 26-36-24/25-36/37/39 Da , ngerous Goods Transportation No UN2811/6.1/PG III WGK Germany 3 RTECS VN5450000 , Hazard Note Irritant TSCA Yes HS CODE 29130000

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Isobutyric acid, also known as 2-methylpropionic acid, is an organic compound with chemical formula of C4H8O2. It is a colorless liquid, insoluble in water, and miscible in ethanol, ether, chloroform, glycerin, propylene glycol, etc. It is mainly used in organic synthesis. Specification Mel , ting Point -47 °C (lit.) Boiling Point 153-154 °C (lit.) Density 0.95 g/mL at 25 °C (lit.) Refractive Index n20/D 1.393(lit.) Flash point 132 °F Storage Condition Store below +30°C. Solubility 618g/l App , earance Liquid Acidity Coefficient (pKa) 4.84(at 20℃) Color Clear colorless Odor 0.0015ppm PH 3.96(1 mM solution);3.44(10 mM solution);2.93(100 mM solution); Water Solubility 210 g/L (20 ºC) InChIKey KQNPFQTWMSNSAP-UHFFFAO , YSA-N Safety Information Dangerous Goods Sign Xn Hazard Category Code 21/22 Safety Instructions 23-36/37/39-24/25 Dange , rous Goods Transportation No UN 2529 3/PG 3 WGK Germany 1 RTECS NQ4375000 , F 13 TSCA Yes Hazard Level 3 Packaging Category III HS CODE 29156000

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