alpha-Naphtholphthalein

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Names

[ CAS No. ]:
596-01-0

[ Name ]:
alpha-Naphtholphthalein

[Synonym ]:
3,3-bis(4-hydroxynaphthalen-1-yl)-2-benzofuran-1-one
MFCD00036202
EINECS 209-875-5

Chemical & Physical Properties

[ Density]:
1.404 g/cm3

[ Boiling Point ]:
705.6ºC at 760 mmHg

[ Melting Point ]:
238-240 °C(lit.)

[ Molecular Formula ]:
C28H18O4

[ Molecular Weight ]:
418.44000

[ Flash Point ]:
247ºC

[ Exact Mass ]:
418.12100

[ PSA ]:
66.76000

[ LogP ]:
5.86650

[ Index of Refraction ]:
1.769

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

[ WGK Germany ]:
3

[ HS Code ]:
32041900

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Phthalic anhydride
  • 1-Naphthalenol
  • Phthaloyl chloride
  • Sulfuric acid
  • N-(1-ethoxycarbonyl-propen-2-yl)urea
  • Benzoic acid,2-[(1-hydroxy-2-naphthalenyl)carbonyl]-

DownStream

Customs

[ HS Code ]: 2932209090

[ Summary ]:
2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Articles

Phosphorescent sensing of carbon dioxide based on secondary inner-filter quenching.

Anal. Chim. Acta 655(1-2) , 66-74, (2009)

A study of different strategies to prepare phosphorescence-based sensors for gaseous CO(2) determination has been performed. It includes the characterization of different configurations tested, a disc...


More Articles

Related Compounds

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  • 5-amino-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-6-fluorohexanoic acid
  • (2S)-1-[(2S)-2-{[(1S)-1-carboxy-3-phenylpropyl]({[(9H-fluoren-9-yl)methoxy]carbonyl})amino}propanoyl]pyrrolidine-2-carboxylic acid
  • 1-[(Tert-butoxy)carbonyl]-3-(3-hydroxyazetidin-3-yl)piperidine-3-carboxylic acid
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  • 2-Hydroxy-5-(4-phenylbutyl)benzaldehyde
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