Gallein

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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

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

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xn

[ HS Code ]:
2932999099

Precursor & DownStream

Precursor

  • Phthalic anhydride
  • Pyrogallol
  • Resorcine
  • Gallic acid

DownStream

  • (4',5',6'-triacetyloxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-3'-yl) acetate
  • 2-(3,4,5,6-tetrahydroxy-9H-xanthen-9-yl)benzoic acid
  • Oxalic acid
  • Phthalic acid
  • 9H-Xanthen-9-one, 3,4,5,6-tetrahydroxy
  • benzoic acid

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%

Related Compounds

  • Gallein tetraacetate
  • 1,2-Dichloro-4-(2-nitroethyl)benzene
  • 4-[3-(1,2,3,6-Tetrahydro-pyridin-4-yl)-indole-1-sulfonyl]-phenylamine
  • C9H15HgN2NaO6.C7H8N4O2
  • Methyl 1-methyl-4-methylene-5-oxopyrrolidine-3-carboxylate
  • 5-((2-Methylbenzyl)amino)pentan-1-ol
  • Benzoic acid, 4-[(2-octenyl)oxy]-, (E)-
  • 3-Oxooxepane-2-carboxylic acid ethyl ester
  • 1,2,5,6-Tetrahydro-1-methyl-3-pyridinecarbonyl chloride hydrochloride
  • 2,3-Dichloro-5-fluoroquinoxaline
  • 4-Chloro-1-nitro-1H-pyrazole-3-carboxylic acid
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