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
1.Product Name: Beta-Naphthol 2.CAS NO: 135-19-3 3.Purity: 99%min 4.Appearance: White powder 5.HS Code:29071510 6.Application: Dyestuff Intermediates, Syntheses Material Intermediate 7.Shelf life:2 Years
1-Nitroso-2-naphthol (CAS: 131-91-9) CAS Number: 131919 Molecular Formula: C10H7NO2 Molecular Weight 173.17 Mp: 106 108 Content: 95%
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
Chemical Name : 2-AMINO-5-NAPHTHOL-1-7-DISULPHONIC ACID CAS No : 6535-70-2
Product name: Naphtol AS-LC(4'-Chloro-3-Hydroxy-2',5'-dimethoxy-2-naphthanilide Product Name Naphthol AS-LC CAS No. 4273-92-1 MF C19H16ClNO4 EINECS No. 224-270-6 Place of Origin Hebei,China Purity assay:99%(Min) insolubles:0.15%(Max) Application organic pigment intermediates Appearance Beige powder Boiling point 479.8±45.0C Melting point 190C Density 1.371±0.06 g/cm3 Flash Point 162.2C Propert Formula: C18H16CINO4 Molecular weight: 345.5 Appearance: light yellow crystalline powder Specifications: Purity:99% min Melting point: 188 C Uses: To prepare C.pigment red 146 and ice dyes. Package: PE bay in PP bay
Supplier: Maleic anhydride, 2-naphthol, industrial naphthalene, water reducer, coke purity benzene, xylene, toluene, coal tar, methanol
2-naphthol: 99.1% min Melting point: 120 deg.C. 1-naphthol: 0.2% max. 25kg plastic bag, 1x20'fcl 17t
High purity & stable production CAS No. 135-19-3 Application: intermediate for dyestuffs & pigments Tobais acid, J acid azo dyes, used as antiseptic and antioxidant. Packing:25kg/500KG bag net weight, inner PE outer PP,with/without pallet.
Supplier: Aroma chemicals , 2 methoxynaphthalene and beta naphthol methyl ether
