CAS No 134-01-0 , 2-(4-hydroxy-3-methoxyphenyl)chromenylium-3,5,7-triol

Name: 2-(4-hydroxy-3-methoxyphenyl)chromenylium-3,5,7-triol
Synonyms: Peonidin chloride; 3,4',5,7-tetrahydroxy-3'-methoxy-2-phenylbenzopyrylium chloride; Peonidin;chloride;2-(4-hydroxy-3-methoxyphenyl)chromenylium-3,5,7-triol; 134-01-0;
CAS Registry Number:134-01-0
Transport: OTH
Flash Point: °C
Boiling Point: °Cat760mmHg
Density: g/cm³
Safety Statements: WGK Germany 3 F 10-21
Hazard Symbols: UN NO.
Flash Point: °C
EINECS: 205-125-6
Molecular Weight: 336.72382
InchiKey: OGBSHLKSHNAPEW-UHFFFAOYSA-N
InChI: InChI=1S/C16H12O6.ClH/c1-21-15-4-8(2-3-11(15)18)16-13(20)7-10-12(19)5-9
(17)6-14(10)22-16;/h2-7H,1H3,(H3-,17,18,19,20);1H
Molecular Formula: C₁₆H₁₃ClO₆
Molecular Structure:

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References of 2-(4-hydroxy-3-methoxyphenyl)chromenylium-3,5,7-triol

Title: Peonidin
CAS Registry Number: 134-01-0
CAS Name: 3,5,7-Trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-1-benzopyrylium chloride
Synonyms: 3,4￠,5,7-tetrahydroxy-3￠-methoxyflavylium chloride; 3,4￠,5,7-tetrahydroxy-3￠-methoxy-2-phenylbenzopyrylium chloride
Molecular Formula: C16H13ClO6
Molecular Weight: 336.72
Percent Composition: C 57.07%, H 3.89%, Cl 10.53%, O 28.51%
Literature References: The aglucon of peonin: R. Willst?tter, T. J. Nolan, Ann. 408, 136 (1915). Structure and synthesis: T. J. Nolan et al., J. Chem. Soc. 1926, 1968; S. Murakami, R. Robinson, ibid. 1928, 1537.

Derivative Type: Monohydrate
Properties: Reddish-brown needles from aq 20% hydrochloric acid soln. Moderately sol in water giving a reddish-brown soln. Sol in alc giving a purplish-red soln.

Derivative Type: 3,5-Diglucoside
Synonyms: 3,5-Bis(b-D-glucopyranosyloxy)-7-hydroxy-2-(4-hydroxy-3-methoxyphenyl)-1-benzopyrylium chloride; peonin
Molecular Formula: C28H33ClO16
Molecular Weight: 661.01
Percent Composition: C 50.88%, H 5.03%, Cl 5.36%, O 38.73%
Properties: From deep violet-red peonies: R. Willst?tter, T. J. Nolan, loc. cit. Synthesis: R. Robinson, A. R. Todd, J. Chem. Soc. 1932, 2488. Deep purple needles with water of crystn from dil HCl, mp 165-167° (dec).
Melting point: mp 165-167° (dec)