Zeaxanthin

  • b,b-Carotene-3,3'-diol, (3R,3'R)
  • all-trans-Anchovyxanthin
Formula
C40H56O2
Description
Orange-brown powder.
Uses
Carotenoid.

Registry Numbers and Inventories.
CAS
144-68-3
EC (EINECS/ELINCS)
205-636-4
Merck
12,10248
New Zealand
Listed

Properties.
Formula
C40H56O2
Formula mass
568.88
Melting point, °C
207
Density
1.01 g/cm3 (20 C)
Solubility in water
Insoluble
Refractive index
 
pKa/pKb
14.60
Partition coefficient, pKow
11.84

Hazards and Protection.
Storage
Maintain at -20 C in a tightly sealed container.
Protection
Wear self-contained breathing apparatus, rubber boots & heavy rubber gloves.
Small spills/leaks
Sweep-up/absorb in suitable material, place in a container and hold for disposal. Avoid raising dust. Ventilate area and wash spill site after pick-up complete.

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

Health.
Exposure effects

First aid
 
   Ingestion
If swallowed, wash out mouth with water, provided person is concious. Seek medical advice.
   Inhalation
Remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen. Seek medical attention.
   Skin
Immediately wash skin with soap and copious amounts of water for at least 15 minutes. If irritation persists, seek medical attention.
   Eyes
Immediately flush eyes with copious amounts of water for at least 15 minutes. Seek medical advice

Transport.