Malonic acid-d4

  • Propanedioic-d2 acid d2
  • [-{2}-H2]Malonic [-{2}-H2]acid
  • Tetradeuteriomalonic acid
Formula
DO2CCD2CO2D
Structure
Description
White crystals.

Registry Numbers and Inventories.
CAS
813-56-9
EC (EINECS/ELINCS)
212-385-4
EC Class
harmful, irritant
R 22 36
Beilstein/Gmelin
NA

Properties.
Formula
C3D4O4
Formula mass
108.09
Melting point, °C
130-132
Density
1.619 g/cm3 (25 C)
Solubility in water
1390 g/L (22 C)

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container. Store under an inert atmosphere.
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Use only in a chemical fume hood.
Protection
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
Vacuum or sweep up material and place into a suitable disposal container.
Disposal code
3
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Oxidizing agents, reducing agents, bases.
Decomposition
Carbon monoxide, carbon dioxide, acetic acid.

Fire.
Flash Point,°C
157
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. This material in sufficient quantity and reduced particle size is capable of creating a dust explosion. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Health.
Exposure effects
Prolonged or repeated exposure may cause nausea, dizziness, and headache.
   Ingestion
Harmful if swallowed. May cause nausea and vomiting.
   Inhalation
Causes respiratory tract irritation. May cause chemical bronchitis with coughing and difficulty in breathing.
   Skin
Causes mild skin irritation. Causes redness and pain.
   Eyes
Causes severe eye irritation. Causes redness and pain.

First aid
 
   Ingestion
Get medical aid. Wash mouth out with water.
   Inhalation
Remove from exposure to fresh air immediately. 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.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.
HS Code
2845 90 10