Fraxin

  • 7,8-Dihydroxy-b-methoxycoumarin 8-b-D-glucopyranoside
  • 8-(b-D-Glucopyranosyloxy)-7-hydroxy-6-methoxycoumarin
  • Fraxetol 8-glucoside
  • 7,8-Dihydroxy-6-methoxycoumarin
  • 2H-1-Benzopyran-2-one, 8-(.beta.-D-glucopyranosyloxy)-7-hydroxy-6-methoxy-
Formula
C16H18O10
Structure

Registry Numbers and Inventories.
CAS
524-30-1
EC (EINECS/ELINCS)
208-355-5
Merck
12,4290

Properties.
Formula
C16H18O10
Formula mass
370.31
Melting point, °C
205
Boiling point, °C
607
Vapor pressure, mmHg
6.9E-22 (25 C)
Density
1.63 g/cm3 (20 C)
Solubility in water
8.1 g/L (25 C)
pKa/pKb
8.21 (pKa)
Partition coefficient, pKow
-1.94

Hazards and Protection.
Storage
Store at 2 - 8 C. Keep tightly closed. Store in a cool dry place.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing.
Respirators
Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Respiratory protection is not required. Where protection is desired, use multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges.
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
Oxides of carbon.

Fire.
Fire fighting
Extinguish with 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
0
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure effects
   Ingestion
May be harmful if ingested.
   Inhalation
May be harmful if inhaled.
   Skin
May cause irritation. May be harmful if absorbed through the skin.
   Eyes
May cause 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. Remove contaminated clothing and shoes. Call a physician.
   Eyes
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.

Transport.