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Spiro[2H-1-benzopyran-2,2'-[2H]indol]-6-ol,1',3'-dihydro-1',3',3'-trimethyl-

Names

[ CAS No. ]:
23001-29-8

[ Name ]:
Spiro[2H-1-benzopyran-2,2'-[2H]indol]-6-ol,1',3'-dihydro-1',3',3'-trimethyl-

[Synonym ]:
6-hydroxy spiropyran
1′,3′,3′-Trimethyl-6-hydroxyspiro(2H-1-benzopyran-2,2′-indoline)

Chemical & Physical Properties

[ Density]:
1.27g/cm3

[ Boiling Point ]:
469.6ºC at 760mmHg

[ Molecular Formula ]:
C19H19NO2

[ Molecular Weight ]:
293.36000

[ Flash Point ]:
237.8ºC

[ Exact Mass ]:
293.14200

[ PSA ]:
32.70000

[ LogP ]:
3.98670

[ Appearance of Characters ]:
Powder | Light brown to purple

[ Vapour Pressure ]:
1.92E-09mmHg at 25°C

[ Index of Refraction ]:
1.678

MSDS

Safety Information

[ Risk Phrases ]:
36/37/38

[ Safety Phrases ]:
24/25

[ HS Code ]:
2934999090

Synthetic Route

Precursor & DownStream

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%