Prunetin

  • 4',5-Dihydroxy-7-methoxyisoflavone
  • 5-Hydroxy-3-(4-hydroxyphenyl)-7-methoxy-4-benzopyrone
Formula
C16H12O5
Structure
Description
Creamy white crystalline powder.
Uses
Isoflavone.

Registry Numbers and Inventories.
CAS
552-59-0
EC (EINECS/ELINCS)
209-018-5
22 24/25
RTECS
DJ3100050
RTECS class
Drug
Merck
13,8001
Beilstein/Gmelin
292155
Beilstein Reference
5-18-04-00595

Properties.
Formula
C16H12O5
Formula mass
284.27
Melting point, °C
240
Vapor pressure, mmHg
1E-12 (25 C)
Solubility in water
Insoluble
Refractive index
 
pKa/pKb
6.91 (pKa)

Hazards and Protection.
Storage
Keep tightly closed. Store in a cool dry place.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles.
Respirators
Government approved respirator.
Small spills/leaks
Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide.

Fire.
Fire fighting
Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Hazards
Emits toxic fumes under fire conditions.

Health.
Exposure effects
   Inhalation
Material may be irritating to mucous membranes and upper respiratory tract.
   Skin
May cause skin irritation.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water.
   Eyes
In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.

Transport.