A6167412
2-Naphthol , Fluorescent indicator, ≥99.0%(GC) , 135-19-3
Synonym(s):
β-Naphthol;2-Hydroxy naphthaline;2-Hydroxynaphthalene;2-Naphthol
CAS NO.：135-19-3
Empirical Formula: C10H8O
Molecular Weight: 144.17
MDL number: MFCD00004067
EINECS: 205-182-7
| Pack Size | Price | Stock | Quantity |
| 100G | RMB54.40 | In Stock |
|
| 500G | RMB159.20 | In Stock |
|
| 2.5KG | RMB628.80 | In Stock |
|
| 10kg | RMB2159.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT 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. | Store below +30°C. |
| solubility | methanol: soluble1g/10 mL, clear, colorless to light yellow |
| pka | 9.51(at 25℃) |
| form | Powder, Crystals or Granules |
| color | White |
| PH Range | Non& uorescence (8.5) to blue & uorescence (9.5) |
| Odor | faint phenol-like odor |
| 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 |
| InChIKey | JWAZRIHNYRIHIV-UHFFFAOYSA-N |
| LogP | 1.89 at 20℃ |
| 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) |
Description and Uses
Has been used as antiseptic, anthelmintic and counter-irritant in alopecia.
Safety
| Symbol(GHS) |    GHS05,GHS07,GHS09 |
| Signal word | Danger |
| Hazard statements | H302+H332-H317-H318-H400 |
| Precautionary statements | P273-P280-P301+P312-P302+P352-P304+P340+P312-P305+P351+P338 |
| 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 |
