Dimethylbenzene CAS NO.： 1330-20-7EINECS NO.: 215-535-7HS Code: 2707300000Commonly known as: XylenesAppearance: Colorless and transparent liquid.Nature: There is a special smell of aromatic hydrocarbons.Quality index:Test itemsTest standardsTest resultsChroma (platinum-cobalt color number) ≤207Density (20℃) (kg/m3)860~870868.0Rising process/℃: the initial pointNot less than 137137.2Speed/℃: final pointNot higher than 143141Process/℃: Total process rangeNot more than 52.9Total sulfur content/(mg/kg) ≤ 21Evaporation residue/(mg/kg) ≤ 30.3Copper corrosionpasspassApplication：1. Used as a solvent in coating, resin, dye, ink and other industries;2. Used as synthetic monomers or solvents in medicine, pesticide a...
Calcium Carbide CAS NO.：75-20-7EINECS NO.: 200-848-3 HS Code: 2830101000Commonly known as: Calcium acetyleneAppearance: Gray-black lumpNature: It reacts violently when encountering water, generating acetylene and releasing heat.Quality index:Test itemsTest standardsTest resultsGas yield:295MIN299PH3 %:0.06MAX0.035H2S %:0.1MAX0.048Grain:25/5025/50 Application：1. Used to generate acetylene gas;2. Used in organic synthesis, oxyacetylene welding, etc.Packaging：1、 Net weight 50kg/drum, packed in galvanized iron drum.2、 22.5 ton/FCL.
Sodium silicate CAS NO.： 1344-09-8EINECS NO.: 215-687-4 HS Code: 2839191000Commonly known as: PhosphorineAppearance: Solid: transparent block;Liquid: colorless or gray transparent viscous liquid.Nature: The solidification speed is slow, the adhesion and strength are high, and the acid resistance and heat resistance are good.Quality index:Liquid:Test itemsTest standardsTest resultsBaume content,%≥39%39.8Iron content,%≤0.040.02Water insoluble matter content,%≤0.100.12Silica content,%≥2628 Solid: Test itemsTest standardsTest resultsSodium silicate content,%≥9999.2Chloride content,%≤0.020.01Sulfate content,%≤0.020.01Iron content,%≤0.040.02Aluminum content,%≤0.040.02Heavy metal content,%≤0.0020.001Application：1. Used fo...
Crystal sodium sulfide CAS NO.： 1313-83-3 EINECS NO.: 215-211-5 HS Code: 2830101000Commonly known as: Odor, soda, sodium sulfide Specification: Appearance: White crystal particles Nature: Tasteless, easy to oxidize in the air.Quality index: Inspection itemsIndicatorsResultsAppearance white crystal particlesmeetSodium sulfide (Na2S), ≥44%44.09%Sodium sulfite, ≤0.33%0.32%Water insoluble matter, ≤0.011%0.012%Iron6ppm6ppmSodium carbonate, ≤0.150.16Sodium thiosulfate, ≤0.62%0.64% Application：Medicine, engineering plastics, rubber, silica gel, chemical cleaning agent and other industrie...
Crystal sodium sulfide CAS NO.： 1313-83-3 EINECS NO.: 215-211-5HS Code: 2830101000Commonly known as: Odor, soda, sodium sulfide Specification: Appearance: White crystal particles Nature: Tasteless, easy to oxidize in the air.Quality index: Inspection itemsIndicatorsResultsAppearance white crystal particlesmeetSodium sulfide (Na2S), ≥44%44.09%Sodium sulfite, ≤0.33%0.32%Water insoluble matter, ≤0.011%0.012%Iron6ppm6ppmSodium carbonate, ≤0.150.16Sodium thiosulfate, ≤0.62%0.64% Application：Medicine, engineering plastics, rubber, silica gel, chemical cleaning agent and other industries. Pack...
Potassium tetraoxalateCAS NO: 6100-20-5EINECS NO.: 204-874-6HS Code: 2917009000Commonly known as: Potassium OxalateAppearance: Colorless crystal particlesNature: Soluble in waterQuality index:Analysis of ItemNational standardResults of AnalysisContent (KHC2O4·H2O)% ≥ 95-105%99.8Sulfate% ≤ 0.010.03Insoluble matter% ≤0.0050.006Iron% ≤0.0010.001Chlorine% ≤0.010.002Lead% ≤0.0010.003Application：1. For the production of environmentally friendly coatings and reagents;2. Used for marble, granite polishing, metal polishing, and rust removal.Package:25kg / bag, plastic woven bag.