Gallein
Names
[ CAS No. ]:
2103-64-2
[ Name ]:
Gallein
[Synonym ]:
MORDANT VIOLET 25
Alizarin violet
ANTHRACENE VIOLET
ALIZARIN VIOLET
(4,5,6-trihydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid
4',5'-dihydroxyfluorescein
GALLIEN
3',4',5',6'-tetrahydroxy-spiro[phthalan-1,9'-xanthen]-3-one
Alizarinvio-letGBS
3',4',5',6'-tetrahydroxyspiro(isobenzofuran-1(3H),9'-[9H]xanthene)-3-one
SM-21 maleate
3',4',5',6'-Tetrahydroxy-spiro[phthalan-1,9'-xanthen]-3-on
Callein
Mordant Violet 25
pyrogallophthalein
3',4',5',6'-Tetrahydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one
EINECS 218-272-6
Biological Activity
[Description]:
[Related Catalog]:
[References]
Chemical & Physical Properties
[ Density]:
1.81g/cm3
[ Boiling Point ]:
687.4ºC at 760mmHg
[ Melting Point ]:
>300°C
[ Molecular Formula ]:
C20H12O7
[ Molecular Weight ]:
364.30500
[ Flash Point ]:
255.2ºC
[ Exact Mass ]:
364.05800
[ PSA ]:
116.45000
[ LogP ]:
3.07700
[ Vapour Pressure ]:
1.57E-19mmHg at 25°C
[ Index of Refraction ]:
1.865
[ Storage condition ]:
2-8°C
[ Water Solubility ]:
Solubility Almost insoluble in water, benzene, chloroform; soluble in ethanol, acetone
MSDS
Safety Information
[ Hazard Codes ]:
Xn
[ HS Code ]:
2932999099
Precursor & DownStream
Precursor
DownStream
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%