β-naphthol
-
- Category :
Dyestuffs and Pigments
- CAS NO : 135-19-3
- EC NO : 205-182-7
- Molecular Formula : C10H8O
- Main Specifications :
- Synonyms : C.I. 37500;C.I. Azoic coupling component 1;C.I. Developer 5;betanaphthol;2-naftol;2-naftolo;2-naphtol;antioxygene bn;azogen developer a;azogendevelopera;azoiccouplingcomponent1;beta-monoxynaphthalene;2-hydroxynaphthalene;beta naphthol;beta-naphthol;b-naphtol;naphthalen-2-ol;
Molecular Structure:
Product description:
CAS No.135-19-3
Chemical Name:2-Naphthol
Synonyms
β-Naph;2-Naftol;Trimetin;NSC 2044;NSC 5737;c.i.37500;B-NAPHTOL;2-Naftolo;2-Naphtol;developera
CBNumber:CB9336283
Molecular Formula:C10H8O
Formula Weight:144.17
2-Naphthol 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)
Flash point:153 °C
storage temp.
Refrigerator
solubility
methanol: soluble1g/10 mL, clear, colorless to light yellow
form
Powder, Crystals or Granules
pka
9.51(at 25℃)
color
White
PH Range
Non& uorescence (8.5) to blue & uorescence (9.5)
Water Solubility
1 g/L (20 ºC)
λmax
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
InChIKeyAZRIHNYRIHIV-UHFFFAOYSA-N
Inirect Additives used in Food Contact Substances
BETA-NAPHTHOL
CAS DataBase Reference
135-19-3(CAS DataBase Reference)
FDA 21 CFR
176.200
EWG's Food Scores
2-5
FDA UNII
P2Z71CIK5H
NIST Chemistry Reference
2-Naphthalenol(135-19-3)