m-Phenylenediamine|1,8-Diaminonaphthalene|1,5-Diaminonaphthalene--Changzhou Chungang Chemical Co., L

1-naphthylamine

Synonyms

1-Naphthylamine (α-Naphthylamine)

Domestic patent application number

200410064941.8

Structural formula

Molecular weight

143.19

Molecular Formula

C₁₀H₉N

Property

alpha-naphthylamine's C.A tabloid name is 1-Naphthylamine, and its number is 134-32-7. Under the room temperature, it is a light yellow crystal, has the special smell; Its color deepens gradually in the air and becomes the reddish purple crystal, it can volatilize along with the steam, and can sublimate, can dissolve in the ethyl alcohol, ether and so on organic solvents, but slightly soluble in water.

Specification

convention

Index Name	Top Grade Product	Qualified Product
Appearance	Light yellow to deep rosiness melt
Total amino number %≥	99.5	99
Crystallization point℃≥	48.3	45.4
2-naphthylamine %≤	0.1

Specification

extra grade Specification

Index Name	Extra Top Grade Product		Extra Pure Grade Product
Appearance	Light yellow to deep rosiness melt
Total amino number %≥	99.9	99.9	99.9	99.9	99.9	99.9
Crystallization point℃≥	48.3	48.3	48.3	48.3	48.3	48.3
2-naphthylamine≤(mg/kg)	800	500	300	100	50	10

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