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7,8-dihydroxycoumarin

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Origin: China

Cas No: 486-35-1

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details
Type:
Herbal Extract
Form:
Powder
Variety:
98% Daphnetin
Part:
98% Daphnetin
Extraction Type:
Solvent Extraction
Packaging:
bottle
Place of Origin:
Shaanxi, China
Grade:
Reference standard, Reference standard
Brand Name:
98% Daphnetin
Model Number:
98% Daphnetin
Product Name:
98% Daphnetin
Appearance:
White powder
Specification:
98% Daphnetin
CAS:
486-35-1
Test Method:
HPLC MS
MOQ:
20mg
Storage:
Cool Dry Place
Purity:
98%
Package:
20mg~100g/bottle
Packaging&Delivery
Packaging Details
20mg~100g/bottle
Port
XIAN
Lead Time:
Quantity(Milligrams) 1 - 100 >100
Est. Time(days) 3 To be negotiated

Property

CAS No.: 486-35-1 Formula: C9H6O4 Molecular Weight: 178.14200

Description

Daphnetin is a natural coumarin derivative providing anti-inflammatory and protective properties to those suffering from lung injury.

Basic Info

Chemical Name	7,8-dihydroxycoumarin
Synonyms	7,8-Dihydroxy-2H-chromen-2-one; 2H-1-Benzopyran-2-one, 7,8-dihydroxy-; 7,8-Dihydroxychromen-2-one; 7,8-Dihydroxycoumarin;
CAS No.	486-35-1
Molecular Formula	C9H6O4
Molecular Weight	178.14200
PSA	70.67000
LogP	1.20420

Properties

Appearance & Physical State	solid
Density	1.563 g/cm3
Boiling Point	430.4ºC at 760 mmHg
Melting Point	265-268ºC (dec.)
Refractive Index	1.689

Safety Info

RTECS	GN6382600
Safety Statements	S22-S24/25
HS Code	2942000000
WGK Germany	2
Risk Statements	R25
Hazard Codes	Xi

Synthesis Route

dl-Hydroxybutanedioic acid+pyrogallol→7,8-dihydroxycoumarin
7,8-dibenzyloxycoumarin→7,8-dihydroxycoumarin
Propiolic acid+pyrogallol→7,8-dihydroxycoumarin

Precursor

dl-Hydroxybutanedioic acid
7,8-dibenzyloxycoumarin
Propiolic acid
pyrogallol

Downstream Product

(8-acetyloxy-2-oxochromen-7-yl) acetate
7-methoxy-8-(3-methylbut-2-enoxy)chromen-2-one
8-hydroxy-7-methoxychromen-2-one
8-acetoxy-7-hydroxycoumarin

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