Naphthofluorescein

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Names

[ Name ]:
Naphthofluorescein

[Synonym ]:
Spiro[7H-dibenzo[c,h]xanthene-7,1'(3'H)-isobenzofuran]-3'-one, 3,11-dihydroxy-
3',11'-Dihydroxy-3H-spiro[2-benzofuran-1,7'-dibenzo[c,h]xanthen]-3-one
naphthofluorescein

Chemical & Physical Properties

[ Density]:
1.6±0.1 g/cm3

[ Boiling Point ]:
755.5±60.0 °C at 760 mmHg

[ Melting Point ]:
189ºC (dec.)(lit.)

[ Molecular Formula ]:
C₂₈H₁₆O₅

[ Molecular Weight ]:
432.424

[ Flash Point ]:
266.4±26.4 °C

[ Exact Mass ]:
432.099762

[ PSA ]:
75.99000

[ LogP ]:
5.09

[ Vapour Pressure ]:
0.0±2.6 mmHg at 25°C

[ Index of Refraction ]:
1.861

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

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

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
26-36

[ RIDADR ]:
NONH for all modes of transport

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

Phthalic anhydride
1,6-Dihydroxynaphthalene
Sulfuric acid

DownStream

Naphthofluorescein diacetate
2-(11-Hydroxy-3-oxo-3H-dibenzo[c,h]xanthen-7-yl)benzoic acid

Articles

O.S. Wolfbeis et al.

Mikrochim. Acta 108 , 133, (1992)

Naphthofluorescein diacetate
Naphthofluorescein di-(β-D-galactopyranoside)
2-{[(1,3-dimethyl-1H-pyrazol-5-yl)methyl]amino}ethan-1-ol
2-Methyl-3-(methylthio)-4-phenyl-2,3-dihydro-1H-pyrrolo[3,4-c]pyridine-1,6(5H)-dione
2-(4-Bromo-2-(methylsulfonyl)phenyl)propan-2-ol
2-(3-(6-Chloro-2H-chromen-3-yl)-1,2,4-oxadiazol-5-yl)ethanethioamide
2-(4-Methyl-pyridin-3-yl)-7-nitro-2H-isoquinolin-1-one
2-Methyl-3-(methylthio)-4-(p-tolyl)-2,3-dihydro-1H-pyrrolo[3,4-c]pyridine-1,6(5H)-dione
1-(1,3-Thiazol-2-yl)cyclohexanecarbonitrile
4-(4-Methoxyphenyl)-2-methyl-3-(methylthio)-2,3-dihydro-1H-pyrrolo[3,4-c]pyridine-1,6(5H)-dione
5-(Ethylsulfonyl)pyrimidin-4-amine
4-(4-Ethylphenyl)-2-methyl-3-(methylthio)-2,3-dihydro-1H-pyrrolo[3,4-c]pyridine-1,6(5H)-dione

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