(3-Nitrophenyl)phosphonic acid

  • m-Nitrobenzenephosphonic acid
  • (m-Nitrophenyl)phosphonic acid
Formula
C6H5NO5S.H2O
Structure
Description
Off-white solid.

Registry Numbers and Inventories.
CAS
5337-19-9
EC (EINECS/ELINCS)
226-261-2
RTECS
SZ9430100
RTECS class
Drug
UN (DOT)
2305
Beilstein/Gmelin
2727537
Beilstein Reference
4-16-00-01084
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Formula
C6H6NO5P
Formula mass
221.18
Melting point, °C
155 - 156
Solubility in water
Very soluble
pKa/pKb
1.20 (pKa)
Partition coefficient, pKow
-0.43

Hazards and Protection.
Storage
Store in a tightly closed container. Store in a dry area. Refrigerator (approx 4 C).
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Protection
Eyes: Wear chemical goggles. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron.
Respirators
A NIOSH/MSHA approved air purifying dust or mist respirator or European Standard EN 149.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.
Stability
No data.
Incompatibilities
strong oxidizing agents
Decomposition
Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide.

Fire.
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 chemical foam.
Fire potential
Combustible material: may burn but does not ignite readily.
Hazards
When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Exposure effects
   Ingestion
The toxicological properties of this substance have not been fully investigated.
   Inhalation
Causes respiratory tract irritation.
   Skin
Causes skin irritation.
   Eyes
Causes eye irritation.

First aid
 
   Ingestion
Get medical aid. Wash mouth out with water.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
   Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Remove contaminated clothing and shoes.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.

Transport.
UN number
2305
Response guide
Hazard class
8
Packing Group
II