4-Methoxyhydrocinnamic acid

  • p-Methoxyhydrocinnamic acid
  • 4-Methoxybenzenepropionic acid
  • p-Methoxybenzenepropionic acid
  • 3-(p-Methoxyphenyl)propanoic acid
  • 3-(4-Methoxyphenyl)propanoic acid
  • 3-(4-Methoxyphenyl)propionic acid
Formula
C10H12O3
Structure
Description
Light beige solid.

Registry Numbers and Inventories.
CAS
1929-29-9
EC (EINECS/ELINCS)
217-678-0
S 22 24/25
Beilstein/Gmelin
1953326
Beilstein Reference
4-10-00-00632

Properties.
Formula
C10H12O3
Formula mass
180.20
Melting point, °C
95 - 102
Boiling point, °C
319
Vapor pressure, mmHg
0.0002 (25 C)
Solubility in water
Very soluble
pKa/pKb
4.71 (pKa)
Partition coefficient, pKow
1.75
Heat of fusion
29.57 kJ/mol
Heat of vaporization
59.1 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Avoid contact with skin and eyes. Avoid ingestion and inhalation.
Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate gloves to prevent skin exposure.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
126
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use foam, dry chemical, or carbon dioxide.

Health.
Exposure effects
   Ingestion
No hazard expected in normal industrial use.
   Inhalation
No hazard expected in normal industrial use.
   Skin
May cause skin irritation.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.
   Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transport.