1(4H)-Naphthalenone,4-[[4-(dimethylamino)phenyl]imino]-

Names

[ CAS No. ]:
132-31-0

[ Name ]:
1(4H)-Naphthalenone,4-[[4-(dimethylamino)phenyl]imino]-

[Synonym ]:
Alpha-Naphthol Blue
4-[4-(dimethylamino)phenyl]iminonaphthalen-1-one
N-(4-Dimethylaminophenyl)-1,4-naphthoquinoneimine
Indophenol Blue
MFCD00041739
EINECS 205-056-1
α-Naphthol Blue

Chemical & Physical Properties

[ Density]:
1.11 g/cm3

[ Boiling Point ]:
427.7ºC at 760 mmHg

[ Melting Point ]:
168-170ºC(lit.)

[ Molecular Formula ]:
C₁₈H₁₆N₂O

[ Molecular Weight ]:
276.33200

[ Flash Point ]:
212.5ºC

[ Exact Mass ]:
276.12600

[ PSA ]:
32.67000

[ LogP ]:
3.62590

[ Vapour Pressure ]:
1.61E-07mmHg at 25°C

[ Index of Refraction ]:
1.604

MSDS

Click to get detail MSDS

Safety Information

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36

[ RIDADR ]:
NONH for all modes of transport

[ HS Code ]:
2925290090

Synthetic Route

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Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2925290090

[ Summary ]:
2925290090 other imines and their derivatives; salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%