Nycodenz

  • Exypaque
  • Iohexol
  • WIN-39424
  • Omnipaque
  • 5-[N-(2,3-Dihydroxypropyl)acetamido]-2,4,6-triiodo-N,N'-bis(2,3-dihydroxypropyl)isophthalamide
  • N,N'-Bis(2,3-dihydroxypropyl)-5-[N-(2,3-dihydroxypropyl)acetamido]-2,4,6-triiodoisophthalamide
Formula
C19H26I3N3O9
Structure
Description
white powder
Uses
Iodinated density gradient media.

Registry Numbers and Inventories.
CAS
66108-95-0
EC (EINECS/ELINCS)
266-164-2
RTECS
CZ2205000
RTECS class
Drug; Human Data
Merck
12,5068
Beilstein/Gmelin
2406632
Beilstein Reference
6-14

Properties.
Formula
C19H26I3N3O9
Formula mass
821.14
Melting point, °C
174 - 180
Boiling point, °C
892
Density
0.924 g/cm3 (37 C)
Solubility in water
Freely soluble
Viscosity
0.00693 g/(cm s) (37 C)
pKa/pKb
11.35 (pKa)
Heat of vaporization
135.8 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Store at -20 C
Protection
Protective gloves. Chemical safety goggles.
Respirators
Wear dust mask.
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.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide, Nitrogen oxides, Hydrogen iodide.

Fire.
Flash Point,°C
493
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
1
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure effects
Avoid contact and inhalation.
   Ingestion
May be harmful if swallowed.
   Inhalation
May be harmful if inhaled. Material may be irritating to mucous membranes and upper respiratory tract.
   Skin
May cause skin irritation. May be harmful if absorbed through the skin.
   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 breathing becomes difficult, call a physician.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water.
   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.