A6153912
1-Naphthylamine , AR,99.0% , 134-32-7
Synonym(s):
α-Naphthylamine;1-Aminonaphthalene;1-Naphthylamine;1-Naphthylamine solution
CAS NO.：134-32-7
Empirical Formula: C10H9N
Molecular Weight: 143.19
MDL number: MFCD00004016
EINECS: 205-138-7
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 47-50 °C (lit.) |
| Boiling point: | 301 °C (lit.) |
| Density | 1.114 g/mL at 25 °C (lit.) |
| vapor pressure | 0.003 hPa (20 °C) |
| refractive index | 1.6703 |
| Flash point: | >230 °F |
| storage temp. | Store below +30°C. |
| solubility | 1.7g/l |
| pka | 3.92(at 25℃) |
| form | flakes |
| color | light tan to purple |
| Odor | Ammonia odor |
| PH | 7.1 (1g/l, H2O, 20℃) |
| PH Range | Non& uorescence (3.4) to blue & uorescence (4.8) |
| Water Solubility | Insoluble. 0.1698 g/100 mL |
| Merck | 14,6398 |
| BRN | 386133 |
| Henry's Law Constant | 6.13 x 10-10 atm?m3/mol at 25 °C (thermodynamic method-GC/UV spectrophotometry, Altschuh et al., 1999) |
| Exposure limits | TLV-TWA not assigned; carcinogenicity:
Human Carcinogen (skin) (MSHA and
OSHA). |
| Major Application | color filter, photoresists, recording media, light-emitting device, disk, display device, oil products, construction materials, leather, textile, chalk, explosives |
Description and Uses
1-Naphthylamine is used as a chemical intermediate in the synthesis of a wide variety of chemicals, the most important of which include dyes, tonic prints, Toning prints made with cerium salts, antioxidants, and herbicides.
Safety
| Symbol(GHS) |  GHS05 |
| Signal word | Danger |
| Hazard statements | H314 |
| Precautionary statements | P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363-P405 |
| Hazard Codes | C,N,Xn,T |
| Risk Statements | 34-51/53-22-45 |
| Safety Statements | 26-36/37/39-45-61-24-53 |
| RIDADR | UN 2790 8/PG 3 |
| WGK Germany | 2 |
| RTECS | QM1400000 |
| F | 8-23 |
| Autoignition Temperature | 460 °C |
| HS Code | 2921 45 00 |
| HazardClass | 6.1(b) |
| PackingGroup | III |
| Toxicity | LD50 orally in Rabbit: 680 mg/kg |
