Methacrylamide

  • Methacrylic amide
  • 2-Methylpropenamid
  • 2-Methyl-2-propenamide
Formula
CH2=C(CH3)CONH2
Structure
Description
Odorless, white crystals.

Registry Numbers and Inventories.
CAS
79-39-0
EC (EINECS/ELINCS)
201-202-3
EC Class
harmful
R 22 36/37/38
S 22 26 36/37/39
RTECS
UC6475000
RTECS class
Reproductive Effector; Human Data
Beilstein/Gmelin
605397
Beilstein Reference
4-02-00-01538
EPA OPP
52901
Swiss Giftliste 1
G-7580
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C4H7NO
Formula mass
85.11
Boiling point, °C
215
Vapor pressure, mmHg
0.18 (25 C)
Density
1.053 g/cm3 (20 C)
Solubility in water
202 g/L
Partition coefficient, pKow
-0.23
Heat of vaporization
44.8

Hazards and Protection.
Storage
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling
Wash thoroughly after handling. Use with adequate ventilation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Keep container tightly closed. Do not ingest or inhale.
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
Vacuum or sweep up material and place into a suitable disposal container.
Disposal code
3
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong acids, strong oxidizing agents, strong reducing agents.
Decomposition
Nitrogen oxides, carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
82
Upper exp. limit, %
15.1
Lower exp. limit, %
2
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Health.
Poison_Class
2
Exposure effects
   Ingestion
Harmful if swallowed. May cause irritation of the digestive tract. May cause liver and kidney damage. May cause degenerative brain changes.
   Inhalation
May cause respiratory tract irritation.
   Skin
May cause skin irritation.
   Eyes
Causes 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. Get medical aid if cough or other symptoms appear.
   Skin
Get medical aid if irritation develops or persists. Flush skin with plenty of soap and water.
   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
2924 19 00