Name: Logwood Extract (Haematein)#475-25-2
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Logwood Extract (Haematein)#475-25-2

Using advanced production processes and automated control technologies, key process parameters are monitored and recorded in real time to ensure that the production process is stable, controllable and traceable.

Classification：Fuel And Pigment

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PRODUCT DESCRIPTION

HEMATEIN Chemical Properties

Melting point	180 °C
Boiling point	361.5°C (rough estimate)
density	1.2766 (rough estimate)
refractive index	1.4600 (estimate)
storage temp.	2-8°C
solubility	Methanol (Slightly)
Colour Index	75290
pka	8.02±0.40(Predicted)
form	Crystalline Powder
color	Dark brown
Water Solubility	0.6g/L(20 ºC)
Merck	13,4651
BRN	93039
LogP	0.560 (est)
EPA Substance Registry System	Benz[b]indeno[1,2-d]pyran-9(6H)-one, 6a,7-dihydro-3,4,6a,10-tetrahydroxy- (475-25-2)

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