3,3',5-Triiodothyropropionic acid

  • 4-(4-Hydroxy-3-iodophenoxy)-3,5-diiodobenzenepropanoic acid
  • 4-(4-Hydroxy-3-iodophenoxy)-3,5-diiodohydrocinnamic acid
  • Thyropropic acid
  • [(4-Hydroxy-3-iodo-4-phenoxy)-3,5-diiodophenyl]propionic acid
  • Triprop
Formula
C15H11I3O4
Structure
Description
Solid.

Registry Numbers and Inventories.
CAS
51-26-3
Merck
12,9553

Properties.
Formula
C15H11I3O4
Formula mass
635.96
Melting point, °C
200
Boiling point, °C
541
Vapor pressure, mmHg
1.6E-12 (25 C)
Density
2.37 g/cm3 (20 C)
Solubility in water
32 mg/L (25 C)
pKa/pKb
4.51 (pKa)
Partition coefficient, pKow
5.81
Heat of vaporization
86.11 kJ/mol

Hazards and Protection.
Storage
Store at -20 C.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles. Protective clothing.
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 storage conditions.
Decomposition
Carbon monoxide, Carbon dioxide, Hydrogen iodide.

Fire.
Flash Point,°C
280
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
1
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure effects
May cause irritation. May be harmful by inhalation, ingestion, or skin absorption.

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.