Phenoxyacetic acid

  • Glycolic acid phenyl ether
  • Phenoxyethanoic acid
  • o-Phenylglycolic acid
Formula
C6H5OCH2COOH
Structure
Description
Light tan powder or white solid.
Uses
Used to kill fungus.

Registry Numbers and Inventories.
CAS
122-59-8
EC (EINECS/ELINCS)
204-556-7
EC Class
harmful, irritant
R 22 36/37/38
S 26 36/37/39
RTECS
AJ2230000
RTECS class
Primary Irritant
Merck
12,7407
Beilstein/Gmelin
907949
Beilstein Reference
4-06-00-00634
Swiss Giftliste 1
G-3188
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C8H8O3
Formula mass
152.15
Melting point, °C
98 - 100
Boiling point, °C
285
Vapor pressure, mmHg
0.0014 (25 C)
Vapor density (air=1)
5.25
Density
1.36 g/cm3
Solubility in water
Very soluble
pKa/pKb
3.17 (pKa)
Partition coefficient, pKow
1.34
Heat of vaporization
55.4 kJ/mol
Heat of combustion
-3782 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Use with adequate ventilation.
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 protective clothing 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
Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.
Disposal code
4
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents - strong bases.
Decomposition
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Fire.
Flash Point,°C
115
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire use water spray, dry chemical, carbon dioxide, or appropriate foam.

Health.
Poison_Class
3
Exposure effects
   Ingestion
May cause digestive tract disturbances. May be harmful if swallowed.
   Inhalation
May cause respiratory tract irritation.
   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 immediately.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transport.
4. Organic acids
HS Code
2918 90 90