Product

2,3',4,4',6-Pentahydroxybenzophenone

CAS No.：519-34-6

Other grades of this product :

2,3',4,4',6-Pentahydroxybenzophenone Basic information

Product Name:	2,3',4,4',6-Pentahydroxybenzophenone
Synonyms:	MACLURIN;natural yellow 11;6-Pentahydroxybenzophenone;-Anhydro-1-b-D-fructofuranosyluracil;2,4,6,3',4'-PENTAHYDROXY BENZOPHENONE;2,3',4,4',6-PENTAHYDROXYBENZOPHENONE;MACLURIN(P);Maclurine
CAS:	519-34-6
MF:	C13H10O6
MW:	262.21
EINECS:	208-268-2
Product Categories:	Colours, Dyes, Indicators & Pigments
Mol File:	519-34-6.mol

2,3',4,4',6-Pentahydroxybenzophenone Chemical Properties

Melting point	222°C
Boiling point	325.46°C (rough estimate)
density	1.2831 (rough estimate)
refractive index	1.4580 (estimate)
storage temp.	2-8°C
pka	6.75±0.40(Predicted)
Water Solubility	5g/L(14 ºC)
CAS DataBase Reference	519-34-6(CAS DataBase Reference)
EPA Substance Registry System	Methanone, (3,4-dihydroxyphenyl)(2,4,6-trihydroxyphenyl)- (519-34-6)

Safety Information

MSDS Information

Provider	Language
2,3',4,4',6-Pentahydroxybenzophenone	English

2,3',4,4',6-Pentahydroxybenzophenone Usage And Synthesis

Uses	Dyeing fabrics.
Uses	2,3'',4,4'',6-Pentahydroxybenzophenone is a UV absorber.
Preparation	Preparation by reaction of 3,4-dihydroxybenzonitrile with phloroglucinol in the presence of zinc chloride and hydrochloric acid in ethyl ether (Hoesch reaction), first at r.t. for 1 h, then at 50–60° for 4 h (37%).

2,3',4,4',6-Pentahydroxybenzophenone Preparation Products And Raw materials

Raw materials

isoathyriol-->3,4-Dihydroxybenzonitrile-->norathyriol-->Phloroglucinol

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