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1-Naphthylamine Structure


Chemical 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
PH 7.1 (1g/l, H2O, 20℃)
PH Range Non& uorescence (3.4) to blue & uorescence (4.8)
Odor Ammonia odor
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
CAS DataBase Reference 134-32-7(CAS DataBase Reference)
Indirect Additives used in Food Contact Substances 1-NAPHTHYLAMINE
FDA 21 CFR 175.105
EWG's Food Scores 3-6
FDA UNII 9753I242R5
Proposition 65 List 1-Naphthylamine
NIST Chemistry Reference 1-Naphthalenamine(134-32-7)
IARC 3 (Vol. 4, Sup 7) 1987
EPA Substance Registry System 1-Naphthalenamine (134-32-7)


Signal wordDanger
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
Autoignition Temperature 460 °C
HS Code  2921 45 00
HazardClass  6.1(b)
PackingGroup  III
Hazardous Substances Data 134-32-7(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 680 mg/kg
NFPA 704:
2 0

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1-Naphthylamine Chemical Properties,Usage,Production

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