Triptolide(CAS:38748-32-2)
Supplier: Medical, surgical, industrial and paper products & chemicals
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
Supplier: 1. ashwagandha extract 1.5% 2. zingiber officinale 2.5% 3. glycine powder 4. black seed oil 5. flax seed oil 6. castor oil (clear) 7. black pepper extract 95% 8. curcumin 95% 9. aloe vera 200x 10.. potassium sorbate 11. propylene glycol
Supplier: 1. carbon black
2. rubber crumb
3. precipitated silica
4. silica quartz ore purity: 98% available, silica quartz powder/purity: 99.9% available, silica lumps purity: 99% available
5. calcium chloride powder 74% cacl2 92% cacl2 94%
6. magnesium chloride flake
7. sodium meta bisulphite (food grade 94 96%)
8. red onion as per your required size.
9. sodium acetate anhydrous 99% sodium acetate trihydrate crystal 99%
10.pet preform & fiber, bottle, flakes,
11.bopp tapes
12. capsicum or bell pepper, ready to eat foods, ready green paste like ginger, garlic paste
Services: We also do logistic work for cif and we have 3rd party facilities like sgs on client chargeable base.
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
Use: It is used as an intermediate in the production of pesticides, ceftiofur and organic chemicals. It is mainly used in the synthesis of sulfadiazine drugs and the production of pesticides, fungicides and herbicides. It is also used in the production of new pesticides, such as dicofone, dicofone, kecaojin, etc .
Dep=di-2
1 141-78-6 Ethyl acetate 2 79-20-9 Methyl Acetate 3 123-86-4 Butyl acetate 4 108-32-7 Propylene carbonate 5 75-12-7 Formamide 6 127-19-5 N,N-dimethylacetamide 7 872-50-4 N-methylpyrrolidin-2-one 8 26171-83-5 1,2-butanediol 9 504-63-2 1,3-Propanediol 10 26761-45-5 2,3-Epoxypropyl neodecanoate 11 57-55-6 Propylene Glycol 12 108-94-1 Cyclohexanone 13 95-47-6 o-xylene 14 2238-07-5 Diglycidyl ether 15 122-60-1 Phenyl glycidyl ether 16 34590-94-8 Dipropylene glycol monomethyl ether 17 110-54-3 Hexane 18 109-99-9 Tetrahydrofuran 19 75-09-2 Dichloromethane 20 110-82-7 Cyclohexane