Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-dichloro-

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Names

[ CAS No. ]:
630-88-6

[ Name ]:
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-dichloro-

[Synonym ]:
Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dichloro-
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dichloro-
dichlorofluorescein
EINECS 211-147-7
3',6'-dichlorofluorescein
MFCD00037841
3',6'-Dichloro-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one
3',6'-DICHLOROFLUORAN
FLUORESCEIN DICHLORIDE
Fluoresceinechloride
3',6'-DICHLOROFLUORANE

Chemical & Physical Properties

[ Density]:
1.6±0.1 g/cm3

[ Boiling Point ]:
539.8±50.0 °C at 760 mmHg

[ Melting Point ]:
253-255 °C(lit.)

[ Molecular Formula ]:
C20H10Cl2O3

[ Molecular Weight ]:
369.198

[ Flash Point ]:
214.3±29.1 °C

[ Exact Mass ]:
368.000702

[ PSA ]:
35.53000

[ LogP ]:
5.53

[ Vapour Pressure ]:
0.0±1.4 mmHg at 25°C

[ Index of Refraction ]:
1.736

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S37/39-S26

[ WGK Germany ]:
3

[ HS Code ]:
2932999099

Synthetic Route

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Precursor & DownStream

Precursor

  • Fluorescein
  • Phthalic anhydride
  • 3-Chlorophenol
  • 2-(4-chloro-2-hydroxybenzoyl)benzoic acid
  • Resorcine
  • 2-(2,4-Dihydroxybenzoyl)benzoic acid

DownStream

  • 2-(2,4-Dihydroxybenzoyl)benzoic acid
  • benzoic acid
  • Resorcine
  • Fluorescein

Customs

[ HS Code ]: 2932999099

[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%