ChemicalBook--->CAS DataBase List--->81-54-9

81-54-9

81-54-9 Structure

81-54-9 Structure
IdentificationBack Directory
[Name]

PURPURIN
[CAS]

81-54-9
[Synonyms]

PURPURIN
c.i.1037
Verantin
CI 58205
NSC 10447
c.i.75410
Purpurine
C.I. 1037
C.I. 75410
Oxyalizarin
CI NO 58205
smokebrowng
Purpurin 5GR
Madder purple
Smoke Brown G
Purpurin,CI 58205
Oxylizarinic acid
ALIZARIN PURPURIN
hydroxylizaricacid
C.I. natural red 8
Hydroxylizaric Acid
C.I. natural red 16
TIMTEC-BB SBB006444
Purpurin (CI x 58205)
Purpurin, for analysis
1,2,4-Trihydroxyanthrachinon
1,2,4-trihydroxy-anthraquinon
1,2,4-TRIHYDROXYANTHRAQUINONE
Anthraquinone, 1,2,4-trihydroxy-
1,2,4-trihydroxy-10-anthracenedione
1,2,4-Trihydroxy-9,10-anthraquinone
1,2,4-Trihydroxyanthra-9,10-quinone
PURPURIN, FOR THE DETECTION OF B, PB
1,2,4-trihydroxyanthracene-9,10-dione
1,2,4-TRIHYDROXY-9,10-ANTHRACENEDIONE
10-Anthracenedione,1,2,4-trihydroxy-9
[EINECS(EC#)]

201-359-8
[Molecular Formula]

C14H8O5
[MDL Number]

MFCD00001203
[MOL File]

81-54-9.mol
[Molecular Weight]

256.21
Chemical PropertiesBack Directory
[Appearance]

brown-red to brown powder
[Melting point ]

253-256 °C(lit.)
[Boiling point ]

359.45°C (rough estimate)
[density ]

1.659
[refractive index ]

1.4825 (estimate)
[Fp ]

113 °C
[storage temp. ]

Inert atmosphere,Room Temperature
[solubility ]

DMSO (Slightly), Methanol (Slightly, Heated)
[Colour Index ]

58205
[form ]

Powder
[pka]

7.05±0.20(Predicted)
[color ]

Brown-red to brown
[Water Solubility ]

6.405mg/L(25 ºC)
[λmax]

515 nm
521 nm (2nd)
[Merck ]

14,7945
[BRN ]

1887127
[LogP]

4.600 (est)
[CAS DataBase Reference]

81-54-9
[EPA Substance Registry System]

Purpurin (81-54-9)
Hazard InformationBack Directory
[Chemical Properties]

brown-red to brown powder
[Uses]

A xanthine oxidase inhibitor.
[Uses]

Purpurin is an anthraquinone derivative and is well known as a colour pigment derived from madder plants. Purpurin was extensively utilized in herbal remedies, in food colouring and dyes for cotton pr inting. Due to the high antioxidant activity exhibited by anthraquinone compounds, purpurin was determined through studies to possess potential radical scavenging effects. Purprin has also been shown to have inhibitory effects towards serine protease.
[Uses]

xanthin oxidase inhibitor, irritant
[Definition]

ChEBI: A trihydroxyanthraquinone derived from anthracene by substitution with oxo groups at C-9 and C-10 and with hydroxy groups at C-1, C-2 and C-4.
[Uses]

Purpurin is a naturally occurring reddish-yellow pigment found in madder root (R. tinctorum) that has been used both in herbal remedies and as food coloring. It can also by synthetically derived from 9,10-anthraquinone. Purpurin is protective against a number of food-derived heterocyclic amines in bacterial mutagenicity assays through its inhibition of CYP450-dependent N-hydroxylation and reduction of N-hydroxylamines. Purpurine can also inhibit (IC50 = 6.6 μM) spermidine-induced autoactivation of plasma hyaluronan-binding protein, a serine protease that can activate coagulation factor VII and prourokinase.
[in vivo]

Purpurin (Orally; 2, 6, 18 mg/kg for 3 weeks) exerts dose-dependently antidepressant-like effects on behavior and stress axis reactivity in adult male C57BL/6J mice (6-7 weeks old upon arrival)[1].

[storage]

4°C, protect from light
[Purification Methods]

Crystallise purpurin from aqueous EtOH, dry it at 100o. [Beilstein 8 IV 3568.]
Safety DataBack Directory
[Hazard Codes ]

Xi,C,F
[Risk Statements ]

36/37/38-34-11
[Safety Statements ]

26-36-45-36/37/39-16
[WGK Germany ]

3
[RTECS ]

CB8200000
[HS Code ]

29146990
Spectrum DetailBack Directory
[Spectrum Detail]

PURPURIN(81-54-9)MS
PURPURIN(81-54-9)1HNMR
PURPURIN(81-54-9)IR1
PURPURIN(81-54-9)IR2
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