Propylphosphonic acid

  • 1-Propanephosphonic acid
  • Propanephosphonic acid
  • n-Propylphosphonic acid
  • PPA
  • NIA 1065
Formula
C3H9O3P
Structure
Description
Solid

Registry Numbers and Inventories.
CAS
4672-38-2
EC (EINECS/ELINCS)
225-121-8
RTECS
TA0420000
RTECS class
Agricultural Chemical and Pesticide
UN (DOT)
3261
Beilstein/Gmelin
1747443
Beilstein Reference
4-04-00-03542
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C3H9O3P
Formula mass
124.09
Melting point, °C
73.8
Solubility in water
Very soluble
Refractive index
 
pKa/pKb
2.43 (pKa)
Partition coefficient, pKow
0.87

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container. Corrosives area.
Handling
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Protection
Wear appropriate protective eyeglasses or chemical safety goggles, protective gloves and clothing to prevent 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.
Incompatibilities
Strong oxidizing agents, strong bases.
Decomposition
Phosphine, carbon monoxide, oxides of phosphorus, carbon dioxide.

Fire.
Fire fighting
Wear approved SCBA in full pressure-demand and full protective gear. Use foam, dry chemical, or carbon dioxide.

Health.
Exposure effects
   Ingestion
Causes gastrointestinal tract burns.
   Inhalation
Causes chemical burns to the respiratory tract. Inhalation may be fatal as a result of spasm, inflammation, edema of the larynx and bronchi, chemical pneumonitis and pulmonary edema.
   Skin
Causes skin burns.
   Eyes
Causes eye burns.

First aid
 
   Ingestion
Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
   Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
   Skin
Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids. Get medical aid immediately.

Transport.
UN number
3261
Response guide
Hazard class
8
Packing Group
I; II; III