Home Categories Organic Chemistry 1-Naphthylamine
A6154012

1-Naphthylamine , Analysis standard , 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
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

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