Dimethylformamide(CAS:68-12-2)
Purity: 99.99% Galvanized iron drum Net Weight: 190Kg Gross Weight: 208Kg FOB Price: 700 USD/Ton
Sodium Citrate, E331, CAS no.68-04-2, the sodium salt of Citric Acid, also called trisodium citrate, colorless crystals or white crystalline powder soluble in water. Sodium Citrate used as a food additive, usually for flavor or as a preservative. Along with other salts of citric acid, such as Magnesium Citrate, Calcium Citrate and Potassium Citrate. As an experienced Sodium Citrate manufacturer and supplier, we has been supplying and exporting Sodium Citrate for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Sodium Citrate Specification ITEM STANDARD CHARACTERISTIC WHITE CRYSTAL POWDER IDENTIFICATION PASS TEST APPEARANCE OF SOLUTION PASS TEST ALKALINITY PASS TEST LOSS ON DRYING 11.00-13.00% HEAVY METALS NOT MORE THAN 5PPM OXALATES NOT MORE THAN 100PPM CHLORIDES NOT MORE THAN 50PPM SULPHATES NOT MORE THAN 150PPM PH VALUE (5% AQUEOUS SOLUTION) 7.5-9.0 PURITY 99.00-100.50% READILY CARBONISABLE SUBSTANCES PASS TEST PYROGENS PASS TEST ARSENIC NOT MORE THAN 1PPM LEAD NOT MORE THAN 1PPM MERCURY NOT MORE THAN 1PPM
Dimethylformamide (DMF) CAS Number 68-12-2 Formula C3H7NO or HCON(CH3)2 Dimethylformamide appears as a water-white liquid with a faint fishy odor having chemical formula HCON(CH3)2. It is widely used in industries as a solvent, an additive, or an intermediate because of its extensive miscibility with water and most common organic solvents. SPECIFICATION Appearance Clear Liquid Color (APHA) 3.0 APHA pH at 25C in 20% solution 7.0 Conductivity in 20% water @ 250C 0.80 Dimethyl Formamide Content 99.98 wt % Water Content 0.005 wt % Methanol Content < 0.001 wt % Acidity as Formic Acid (mg/kg) 4.0 Base as DMA (mg/kg) 1.0 Iron ppm 0.010 MAJOR USE: In production of acrylic fibers and plastics, used as a solvent in peptide coupling, in the development and production of pesticides, and in the manufacture of adhesives, synthetic leathers, fibers, films, and surface coatings.
Dep=di-2
2-Naphthol Basic information Chemical Properties Application Preparation Product Name: 2-Naphthol Synonyms: c.i.37500;c.i.azoiccouplingcomponent1;c.i.developer5;Developer A;Developer AMS;Developer BN;developera;developerams CAS: 135-19-3 MF: C10H8O MW: 144.17 EINECS: 205-182-7 Product Categories: Fluorescent;Naphthalene;pigments;alcohol;MICROCIDIN;Color Former & Related Compounds;Developer;Functional Materials;Intermediates;Aromatic Compounds;Alphabetical;Bioactive Small Molecules;Biochemicals and Reagents;Building Blocks;C9 to C20+;Cell Biology;Chemical Synthesis;Fluorescent Indicators and Probes;Fluorescent Probes;Labels;N;Organic Building Blocks;Oxygen Compounds;Particles and Stains;pH Sensitive Probes and Indicators;Phenols;Dyestuff Intermediates;Aromatics Mol File: 135-19-3.mol 2-Naphthol Chemical Properties Melting point 120-122 C(lit.) Boiling point 285-286 C(lit.) density 1,28 g/cm3 vapor density 4.97 (vs air) vapor pressure 10 mm Hg ( 145.5 C) refractive index 1.5762 (estimate) Fp 153 C storage temp. Refrigerator solubility methanol: soluble1g/10 mL, clear, colorless to light yellow pka 9.51(at 25C) form Powder, Crystals or Granules color White PH Range Non& uorescence (8.5) to blue & uorescence (9.5) Water Solubility 1 g/L (20 C) �»max 226nm, 265nm, 275nm, 286nm, 320nm, 331nm Merck 14,6384 BRN 742134 Stability: Stable. Combustible. Dust may form explosive mixture with air. Incompatible with strong oxidizing agents, phenol. Major Application Display device, semiconductors, photoimaging materials, inks, toner, chalk, security paper, molding materials, tin plating method, rubber, adhesive, leather, detergent, hair dyes, antimitotic drug, anticancer agent, antiinflammatory agent, treatment of acne vulgaris (pimples) and other dermal ailments (rashes, scratches, blemishes, hair loss), disorders InChIKey JWAZRIHNYRIHIV-UHFFFAOYSA-N CAS DataBase Reference 135-19-3(CAS DataBase Reference) NIST Chemistry Reference 2-Naphthalenol(135-19-3) EPA Substance Registry System 2-Naphthalenol (135-19-3) Safety Information Hazard Codes Xn,N Risk Statements 20/22-50 Safety Statements 24/25-61 RIDADR UN 3077 9/PG 3 WGK Germany 2 RTECS QL2975000 F 8 Autoignition Temperature 430 C TSCA Yes HazardClass 9 PackingGroup III HS Code 29071590 Hazardous Substances Data 135-19-3(Hazardous Substances Data) Toxicity LD50 orally in Rabbit: 1960 mg/kg LD50 dermal Rabbit > 10000 mg/kg 2-Naphthol Usage And Synthesis 2-Naphthol Preparation Products And Raw materials
Name: 2-hydroxy-6-naphthoic acid Alias: 2,6 acid; 2-naphthol-6-carboxylic acid; 6-hydroxy-2-naphthoic acid; 6-hydroxy-2-naphthoic acid CAS NOï¼?16712-64-4 Molecular formula: c11h7o3 Molecular weight: 187.172 Product quality standard: Appearance characte Light yellow powder Content 99% 2-naphtholâ?¤0.10% 2,3-acidâ?¤0.10% melting point243-245�°C Loss on dryingâ?¤0.30% heavy metalâ?¤20ppm Application: used in medicine, liquid crystal, paint, etc. Packing: 25kg / cardboard barrel, or according to customer requirements
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