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
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%