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
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L-Lysine Sulfate 65%/70%, CAS No.60343-69-3, a brown granule, feed grade. L-Lysine is a necessary building block for all protein in the body. As a nutrition supplements, L-Lysine Sulfate used in food production, beverage, pharmaceutical, agriculture/animal feed. L-Lysine Sulphate 65%, equal to 65% lysine HCl, could provide 51% free lysine in the feed. It has already been proven that L-Lysine Sulphate has almost the same feed effects L-Lysine HCl. As an experienced L-Lysine Sulfate manufacturer and supplier, we has been supplying and exporting L-Lysine Sulfate 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. L-Lysine Sulfate Specification ITEMS Specification Appearance Light brown granule Identity Corresponds Assay (L-lysine, On Dry Basis) 51% Assay (L-lysine HCl, On Dry Basis) 65% Sulfate Pass Test Loss On Drying 4% Residue On Ignition 4% Ammonium salt (as NH4) 1% Heavy Metals (as Pb) mg/kg 20 Arsenic mg/kg 3 PH ( 0.3g+50ml water 25C ) 3.0-5.0
Product name: Palmitoyl Pentapeptide-4 Other Name: Matrixyl acetate Molecular Formula: C39H75N7O10 Molecular Weight: 802.05 Appearance: White powder Purity: >98% CAS NO.: 214047-00-4 EINECS No.: 606-757-9 Package: 10MG/bottle; 1G/bottle; 5G/bottle Palmitoyl Pentapeptide-4 for skin care in anti-wrinkle and anti-aging.Palmitoyl pentapeptide helps reduce the appearance of deep wrinkles significantly, makes skin smoother and softer.It also firms up the skin.The compound supports the three key building blocks that are needed for fresh,youthful skin.pentapeptide 4 helps skin promote natural levels of Collagen,Hyaluronic Acid,and Fibronectin.
Product name: Ergothioneine Other Name: EGT; L-(+)-ERGOTHIONEINE INCI Name: ERGOTHIONEINE Molecular Formula: C9H15N3O2S Molecular Weight: 229.3 Appearance: White fine powder Purity: 98% CAS NO.: 497-30-3 EINECS No.: 207-843-5 Supplier: ZHENYIBIO Ergothioneine is an amino acid that is found mainly in mushrooms,but also in king crab,meat from animals that have grazed on grasses containing ergothioneine,and other foods.Amino acids are chemicals that are the building blocks for proteins.L-Ergothioneine is used as supplements and medicine.People take ergothioneine benefits for liver damage,cataracts, Alzheimer's disease,diabetes,and heart disease.Ergothioneine in skin care is sometimes applied directly to the skin to prevent wrinkles, reduce signs of aging skin,and reduce sun damage.
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