Purpurin , ≥85.0%(HPLC) , 81-54-9

Synonym(s):
1,2,4-Trihydroxyanthraquinone;Hydroxylizaric acid;Verantin

CAS NO.：81-54-9

Empirical Formula: C14H8O5

Molecular Weight: 256.21

MDL number: MFCD00001203

EINECS: 201-359-8

PRODUCT Properties

• Melting point: 253-256 °C(lit.)
• Boiling point: 359.45°C (rough estimate)
• Density: 1.659
• refractive index: 1.4825 (estimate)
• Flash point: 113 °C
• storage temp.: Inert atmosphere,Room Temperature
• solubility: DMSO (Slightly), Methanol (Slightly, Heated)
• Colour Index: 58205
• pka: 7.05±0.20(Predicted)
• form: Powder
• color: Brown-red to brown
• Water Solubility: 6.405mg/L(25 ºC)
• Merck: 14,7945
• BRN: 1887127
• LogP: 4.600 (est)

Description and 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.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P261-P264-P271-P280-P302+P352-P305+P351+P338
• 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