SILICA GEL 7G-manufacture,factory,supplier from China

Products Description of  Silica gelCAS#112926-00-8Silicone gel is a type of low cross-link density silicone rubber without fillers. Silicone gel is different from ordinary silicone rubber elastomers. It has a transparent or translucent gel appearance, very low mechanical strength, and its hardness is difficult to measure. Its physical strength is generally characterized by needle penetration.

Fumed Silica CAS#112945-52-5Synthetic Amorphous Silica has interesting thickening and thixotropic properties, and an enormous external surface area. It is produced by a vapor phase hydrolysis process using chlorosilanes or substituted silanes such as, silicon tetrachloride in a flame of hydrogen and oxygen. This material is formed and collected in a dry state.

Products Description of SILICA CAS#10279-57-9Used as filler for paints and coatings, rubber reinforcing agent, plastic tackifier and thixotropic agent, thickener for synthetic grease and silicone greaseSILICA Chemical PropertiesMelting point 1610 °C(lit.)Boiling point >100 °C(lit.)density 2.6 g/mL at 25 °C(lit.)refractive index n20/D 1.544(lit.)storage temp. no restrictions.form tablets (~0.5 g each)Water Solubility Insoluble in water.Exposure limitsNIOSH: IDLH 3000 mg/m3; TWA 6 mg/m3EPA Substance Registry SystemSilica, h

Products Description of Poly(dimethylsiloxane)CAS#9016-00-6Depending on the relative molecular mass, the appearance of polydimethylsiloxane ranges from colorless and transparent volatile liquid to extremely high viscosity liquid or silica gel. It has physiological inertness, good chemical stability, electrical insulation and weather resistance, a wide viscosity range, a low freezing point, a high flash point, good hydrophobicity, and high shear resistance. It can be used for a long time at a temperature of 50 to 180°C.

Products Description of Trimethoxymethane CAS#149-73-5Trimethyl orthoformate is used as a protecting group for aldehydes in organic synthesis, as an additive in polyurethane coatings, and as a dehydrating agent in the preparation of surface-modified colloidal silica nanoparticles. It is also used as a chemical intermediate in the preparation of vitamin B1 and sulfonamide drugs.

Products Description of LITHIUM METASILICATE CAS#10102-24-6Lithium silicate is a kind of water-soluble silicate. It is an odorless, tasteless transparent liquid. It is soluble in water and alkaline solutions, but insoluble in alcohols and organic solvents. Since the radius of lithium ions is much smaller than that of sodium and potassium ions, lithium silicate aqueous solution has some unique properties. It reacts chemically with acid like sodium water glass to form dioxide gel.

Silicone oil CAS#63148-62-9Silicone oil having a silica structure and is liquid at room temperature and is called as siloxane, referred as silicone oils. The simplest polydimethylsiloxane is as formula [1]. In [2], if the R, R1, R2 are all methyl groups, it is called α, ω-trimethylsilyloxy polydimethylsiloxane, that’s the commonly called silicone oil. It is a linear polymer of a low molecular weight. If R1 and R2 are not a methyl group, then it is not related to this article. Silicone oil is a colorless or light yellow transparent liquid and is odorless and tasteless.

Products Description of Cupric oxide CAS#20427-59-2Chemical formula Cu(OH)2. Molecular weight 97.56. Blue to blue-green gel or light blue crystalline powder, toxic. Relative density 3.37. Color darkens at 60-80℃. Insoluble in cold water, decomposes into copper oxide in hot water, dissolves in acid to form divalent copper salt, dissolves in excess concentrated alkali to form tetrahydroxy cuprate, dissolves in concentrated ammonia or potassium cyanide solution to form dark blue tetraamminecopper(II) dihydroxide solution or colorless potassium tetracyanocuprate(II) solution.

Products Description of Poly(ethylene glycol) dimethacrylateCAS#25852-47-5 Used in food, medical and health gel materials, etc.Poly(ethylene glycol) dimethacrylate Chemical PropertiesBoiling point >200 °C2 mm Hg(lit.)density 1.11 g/mL at 25 °Crefractive index n20/D 1.467Fp >230 °Fstorage temp. 2-8°Csolubility H2O: solubleform Granular Solidcolor White to off-whiteWater Solubility Soluble in water.Sensitive Moisture & Light SensitiveStability:Stable.

Products Description of N,N-Di-Sec-Butyl-P-Phenylenediamine CAS#101-96-2N,N-di-sec-butyl-p-phenylenediamine is a brown-red liquid. It is an amine antioxidant with excellent properties. It is especially suitable for use as an additive for cracking or thermal cracking gasoline (gasoline with high olefin content). It can effectively prevent olefin oxidation. Produce gel.

Products Description of Ethyl vinyl ether CAS#109-92-2Colorless flammable liquid with active chemical reaction performance. It is easy to polymerize in liquid or gas phase. Industrial products contain inhibitors to prevent polymerization. Freezing point -115℃, boiling point 35-36℃, melting point -115.8℃, relative density 0.754 (20/20℃), refractive index 1.3767, flash point -45.5℃, autoignition point 201.66℃, viscosity (20℃) 0.22mPa·s. Slightly soluble in water, only 0.9% (by weight).

Products Description of Dextrin CAS#9004-53-9White amorphous powder, odorless, slightly sweet taste.Dextrin Chemical PropertiesMelting point 53.75-54 °Cdensity 0.8 g/cm3storage temp. Store at RT.solubility H2O: 0.1 g/mL hot, complete, yellow to very deep yellowform powdercolor yellowOdorodorlessWater Solubility Soluble in hot water (0.1 g/ml).Sensitive HygroscopicMerck 14,2953Dielectric constant2.2（Ambient）Stability:Stable. Combustible.

Products Description of Tin sulfate CAS#7488-55-3White or light yellow crystalline powder. Soluble in water, solubility 33g/100ml water at 35℃. Soluble in dilute sulfuric acid.Stannous sulfate Chemical PropertiesMelting point 360 °Cdensity 4,15 g/cm3vapor pressure 0Pa at 20℃storage temp. no restrictions.form SolidSpecific Gravity1.35color White to off-whitePH1.6 (50g/l, H2O, 20℃)Water Solubility 330 g/L (20 ºC)Merck 14,8790Exposure limitsACGIH: TWA 2 mg/m3NIOSH: IDLH 100 mg/m3; TWA 2 mg/m3Stability:Stable, but moisture sensitive.

Products Description of Tannic acid CAS#1401-55-4Tannic acid, also known as tannic acid, is an organic compound with a chemical formula of C76H52O46. It is a yellow or brownish yellow powder. Its aqueous solution turns blue-black when it meets an iron salt solution. Adding sodium sulfite can delay the discoloration.In industry, tannic acid is widely used in tanning leather and making blue ink. Tannic acid can coagulate protein. People use tannic acid to chemically treat raw pig skin and raw cow skin, which can coagulate the soluble protein in the raw skin.

Products Description of Arabic gum CAS#9000-01-5Gum Arabic is also known as gum Arabic, acacia gum, Akexi gum, Senegal gum, and peach gum. It comes from the exudate collected from the trunk of the Acacia tree. It has been used for 4,000 years. Because it is safe and non-toxic, the dosage is not regulated. It is in the form of yellow to light yellowish brown translucent blocks, or white to light yellow granules and powder. The lighter the color, the better the quality. The fresh one has a smooth surface and a transparent interior. It is odorless and tasteless.

Products Description of Guanidinehydrochloride99.5% CAS#50-01-1Guanidine hydrochloride, chemical name is carbamidine hydrochloride, is a white or slightly yellow block, almost insoluble in acetone, benzene and ether. It can be used as an intermediate for medicines, pesticides, dyes and other organic synthesis. It is an important raw material for the manufacture of sulfadiazine, sulfamethylpyrimidine, sulfadimethylpyrimidine and other drugs and folic acid.

C6H8O7 CAS#77-92-9Discover the versatility of citric acid, a natural organic compound with the chemical formula C6H8O7 and registration number CAS#77-92-9.

Products Description of METHYL-(TETRAHYDRO-PYRAN-4-YL)-AMINE HCL CAS#220641-87-2N-Methyltetrahydro-2H-pyran-4-amine is a pharmaceutical intermediate, which can be prepared by reductive amination reaction of tetrahydro-4H-pyran-4-one and methylamine.METHYL-(TETRAHYDRO-PYRAN-4-YL)-AMINE HCL Chemical PropertiesBoiling point 165.0±33.0 °C(Predicted)density 0.93±0.1 g/cm3(Predicted)storage temp. under inert gas (nitrogen or Argon) at 2–8 °Cpka10.01±0.20(Predicted)form liquidcolor Clear, colourlessBoiling point 165.0±33.0 °C(Predicted)density 0.93±0.1 g/c

Products Description of LDAO CAS#1643-20-5This product is a colorless or light yellow transparent liquid with a relative density of 0.98 at 20°C. It is easily soluble in water and polar organic solvents, slightly soluble in non-polar organic solvents, and exhibits non-ionic or cationic properties in aqueous solutions. When the pH value is less than 7, it is cationic.

Products Description of Melamine-phosphate CAS#41583-09-9White powderMelamine-phosphate Chemical PropertiesMelting point 120 - 122°Cdensity 1.74storage temp. Refrigeratorsolubility DMSO (Slightly), Methanol (Slightly)form Solidcolor WhiteWater Solubility 3.9g/L at 20℃EPA Substance Registry System1,3,5-Triazine-2,4,6-triamine, phosphate (41583-09-9)Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days

Products Description of L-Arginine L-glutamate CAS#4320-30-3 White powder; Odorless or slightly odorous; with a special taste. Decomposes when heated to 193-194.6℃. 100ml. 25% aqueous solution contains 13.5g of arginine and 11.5g of glutamic acid.

Products Description of 4-AminophenolCAS#123-30-8Aminophenol is also known as hydroxyaniline and aminohydroxybenzene. There are three isomers, namely o-aminophenol, m-aminophenol and p-aminophenol (4-aminophenol). In 1874, Baeyer et al. first prepared p-aminophenol. Due to the different relative positions of the hydroxyl group and the amino group, the three are also different in terms of physical and chemical properties. This product is weakly alkaline, weakly acidic and strongly reducing. Because it has both amino and phenol groups, it has the common properties of both.

Products Description of Octadecanethiol CAS#2885-00-9Octadecanethiol, molecular formula C18H38S.Octadecanethiol Chemical PropertiesMelting point 30-33 °C(lit.)Boiling point 204-210 °C11 mm Hg(lit.)density 0.847 g/mL at 25 °C(lit.)vapor pressure <0.5 hPa (20 °C)refractive index n20/D 1.3610Fp 55 °Fstorage temp. Store below +30°C.form Crystalline Solidpka10.49±0.10(Predicted)Specific Gravity0.832 (30℃)0.847color WhiteWater Solubility InsolubleBRN 1811934Exposure limitsNIOSH: Ceiling 0.5 ppm(5.9

O-(Tetrahydro-2H-pyran-2-yl)hydroxylamine CAS#6723-30-4O-(Tetrahydro-2H-pyran-2-yl)hydroxylamine Chemical PropertiesMelting point 34-37 °C (lit.)Boiling point 81 °C/20 mmHg (lit.)density 1.1274 (rough estimate)refractive index 1.4206 (estimate)Fp 180 °Fstorage temp. Keep in dark place,Inert atmosphere,Store in freezer, under -20°Csolubility DMSO (Slightly), Methanol (Slightly)pka3.28±0.20(Predicted)form Low Melting Solidcolor WhiteSafety InformationHazard Codes XiRisk Statements 36/37/38Safety Statements 26-36WGK Germany 3HS