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다롄펑루이화학제품유한회사

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4,4`-Bis( chloromethyl )-1,1`-biphenyl 　　CAS No: 1667-10-3 　　Assay: Min 98.0% 　　Heavy metals:Zn2+

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Thiourea dioxide(TDO) 　　Other Names: Formamidine Sulfinic Acid,Amino Imino Methanesulfinic Acid, Thiourea S,S-dioxide, Urea, thio-, 2,2-dioxide 　　CAS No: 4189-44-0 　　Molecular Formula: CH4N2SO2 　　Appearance: White crystal powder 　　Purity: 99% Min 　　Thiourea: 0.1%Max 　　Moisture: 0.05%Max 　　Iron(Fe): 10PPM Max 　　Sulphate: 0.17% Max 　　Packing: 　　(1)25kg or 50kg pp woven bag or kraft compound plastic bag 　　(2) 50kg fiber drums 　　(3)500kg or 1000kg jumbo bags. 　　Uses: 　　It can be used as exchange of sodium hydrosulfite. The product has good heat stability. High as reducibility, easy operation and transportation and storage convenient. And then used to organic synthes is in synthetic fiber industry. Also used as additive of polythene sensitizer of photographical emulsion and so on. It is also used as reducing agent in printing and dyeing industry and used in pulp bleaching and paper industry. There is no pollution during the operation. 　　5.Storage: 　　Storage in dry clean, well-ventilated condition, the warehouse temperature under 30ºC. Keep away from moisture and raining.

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Dicyandiamide 　　Other name: Cyanoguanidine, Dicyandiamido, 1-Cyanoguanidine, 2-Cyanoguanidine 　　CAS No: 461-58-5 　　Appearance: White crystalline 　　Melting point: 209-212ºC 　　Purity: Min99.5% 　　Moisture: Max0.3% 　　Ash Content: Max0.05 　　Calcium content; Max200ppmm 　　Grade: PREDIUM GRADE 　　Standard : HG/T3264-1999 　　store: stored in cool, dry and ventilated warehouse, and keep away from Moisture

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CMC 　　Other name: carmellose; croscarmellose; Carboxymethyl Cellulose; Cellulose Carboxymethyl Ether; Cellulose-CM 23; cmc; Carboxy Methyl Cellulose; carboxy methyl cellulose; cm cellulose cation exchanger fast flow fibrous F; Carboxyl Methyl Cellulose 　　CAS No:000-11-7 　　Chemical name: Sodium salt of the carboxymethyl ether of cellulose 　　Chemical formula: 　　The polymers contain substituted anhydroglucose units with the 　　following general formula: C6H7O2(OR1)(OR2)(OR3), where R1, R2 R3 each may be one of the following: 　　H 　　CH2COONa 　　CH2COOH 　　Molecular weight: 　　Higher than approximately 17 000 (degree of polymerisation approximately 100) 　　Definition: Carboxy methyl cellulose is the partial sodium salt of a carboxymethyl ether of cellulose, the cellulose being obtained directly from natural strains of fibrous plant material 　　Description: Slightly hygroscopic white or slightly yellowish or greyish odourless and tasteless, granular or fibrous powder. 　　Identification: 　　A. Solubility Yields a viscous colloidal solution with water. Insoluble in ethanol. 　　B. Foam test A 0,1 % solution of the sample is shaken vigorously. No layer of foam appears. (This test permits the distinction of sodium carboxymethyl cellulose from other cellulose ethers) 　　C. Precipitate formation To 5 ml of a 0,5 % solution of the sample, add 5 ml of 5 % solution of copper sulphate or of aluminium sulphate. A precipitate appears. (This test permits the distinction of sodium carboxymethyl cellulose from other cellulose ethers and from gelatine, locust bean gum and tragacanth). 　　D. Colour reaction Add 0,5 g powdered carboxy methyl cellulose sodium to 50 ml of water, while stirring to produce an uniform dispersion. Continue the stirring until a clear solution is produced, and use the solution for the following test: 　　To 1 mg of the sample, diluted with an equal volume of water, in a small test tube, add 5 drops of 1-naphthol solution. Incline the test tube, and carefully introduce down the side of the tube 2 ml of sulphuric acid so that it forms a lower layer. A red-purple colour develops at the interface. 　　Purity: 　　Assay: Content on the anhydrous basis not less than 99,5 % 　　Degree of substitution Not less than 0,2 and not more than 1,5 carboxymethyl groups (CH2COOH) per anhydroglucose unit 　　Loss on drying: Not more than 12 % (105Â°C to constant weight) 　　pH of a 1 % colloidal solution: Not less than 5,0 and not more than 8,5 　　Arsenic: Not more than 3 mg/kg 　　Lead: Not more than 5 mg/kg 　　Mercury: Not more than 1 mg/kg 　　Cadmium: Not more than 1 mg/kg 　　Heavy metals (as Pb): Not more than 20 mg/kg 　　Total glycolate: Not more than 0,4 %, calculated as sodium glycolate on the anhydrous basis 　　Sodium: Not more than 12,4 % on the anhydrous basis

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Phosphoric acid Other name:orthophosphoric acid; phosphoric acid; Phosphoric Acid, Sonac; white phosphoric acid; Phosphoric acid, good grade; PA; CAS No:7664-38-2 Melting point:21 ºC Boiling point:158 ºC Solubility in water:MISCIBLE Molecular Formula: H3PO4 Molecular weight: 97.99 Properties: It is in Colorless, transparent and syrupy liquid or rhombic crystalline; It is odorless and tastes very sour; its melting point is 42.35â„ƒ and when heated to 300â„ƒ it will become into meta phosphoric acid; its relative density is 1.834 g/cm3; it is easily soluble in water and resolves in ethanol; it may irritate human skin to cause phlogosis and destroy the issue of human body; it shows corrosiveness being heated in ceramic vessels; it has got hydroscopicity. Uses: Technical grade phosphoric acid may be used to produce variety of phosphates, electrolyte treatment liquids or chemical treatment liquids, refractory mortar with phosphoric acid and inorganic coheretant. It is also used as a catalyst, drying agent and cleaner. In coating industry it is used as a rust-proof coating for metals; As a acidity regulator and nutrition age nt for yeast food grade phosphoric acid may be applied to flavors, canned food and light drinks as well as used in wine brewery as a nutrients source for yeast to prevent the reproduction of useless bacteria. Specification Purity (H3PO4) 85% min Arsenic (As) Food Grade: 0.2 ppm max Technical Grade: 30 ppm max Heavy Metal (Pb) 3 ppm max Sulphate (SO4) 3 ppm max Chloride (Cl) 3 ppm max Fluoride (F) 5 ppm max Iron (Fe) 2 ppm max H3PO3 20 ppm max Color 10 max Packing & Container Loading 1. IMO approved plastic drums N.W.: 35KG G.W.: 36.6KG 19.95 â€“ 26.6MT in 1X20â€™FCL 2. IMO approved plastic drums N.W.: 330KG G.W.: 340.5KG 19.8 â€“ 26.4MT in 1X20â€™FCL 3. IBC containers N.W.: 1600KG G.W.: 1685KG 19.2 â€“ 25.6MT in 1X20â€™FCL 4. ISO-Tank containers 20 â€“ 25MT/ISO-tank 5. Bulk shipment by tanker 1000 â€“ 7000MT per shipment

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