Elchemy

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

Biological fulvic acid, also known as fulvic acid, is extracted from plants bodies, weathered coal, peat, etc, using special bacteria biological fermentation and chemical treament technology. It is a kind of short carbon chain molecular material extracted from natural plants, with high loading capacity and physiological activity. Fulvic acid contains small molecule aromatic carboxylic acid chemical compounds, its main components containing fulvic acid, amino acid, trace element, etc. It also contains biological active substances and plant endogenous hormone including nucleic acid, salicylic acid, carbohydrates, indole acids, collagen, etc.

CAS : 127-19-5 HS code 2924199090 Package: 190KG*80drum,15.2tons/FCL 950KG*20IBC drum,19tons/FCL 20-22tons/ISO TANK N,N- dimethyl acetamide is a clear colorless liquid, flammable. Can be mixed with water, alcohol, ether, ester, benzene, and aromatic compounds and other organic solvents. The boiling point of 166 �ºC. Freezing point -20 �ºC. Relative density 0.9366. Refractive index 1.4380. Flash point 70�ºC (open cup). Dimethylacetamide, the full name is N,N-dimethylacetamide (chemical formula: CH3C(O)N(CH3)2 abbreviated as DMAC or DMA. A commonly used aprotic polar solvent. Colorless Transparent liquid, flammable. Can be freely mixed with organic solvents such as water, alcohol, ether, ester, benzene, and aromatic compounds. Used in the preparation of drugs, synthetic resins, and also used as a solvent for polyacrylonitrile spinning and carbon Extractive distillation solvent for the separation of styrene in eight fractions, etc.