Lauryl methacrylate

  • 2-Methyl-2-propenoic acid dodecyl ester
  • Dodecyl methacrylate
Formula
CH2=C(CH3)COO(CH2)11CH3
Structure
Description
Colorless liquid. A mixture of esters of methacrylic acid.
Uses
Polymerizable monomer for plastics, molding powders, solvent coatings, adhesives, oil additives, emulsions for textile, leather, and paper finishing.

Registry Numbers and Inventories.
CAS
142-90-5
EC (EINECS/ELINCS)
205-570-6
EC Index Number
607-247-00-9
EC Class
Irritant; Dangerous for the Environment
R 36/37/38 50/53
S 26 28 60 61
RTECS
OZ4300000
RTECS class
Primary Irritant
UN (DOT)
2381
Beilstein/Gmelin
1708160
Beilstein Reference
4-02-00-01529
EPA OPP
53101
Swiss Giftliste 1
G-4073
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C16H30O2
Formula mass
254.42
Melting point, °C
-21
Boiling point, °C
323
Vapor pressure, mmHg
0.0003 (25 C)
Vapor density (air=1)
8.8
Density
0.87 g/cm3 (20 C)
Solubility in water
Insoluble
Refractive index
1.4452 (20 C)
Partition coefficient, pKow
7.19
Heat of vaporization
56.5 kJ/mol

Hazards and Protection.
Storage
Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
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. Provide ventilation.
Disposal code
1
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
124
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
Hazards
Heat can induce polymerization with rapid release of energy. Sealed contawiners may rupture explosively.
Combustion products
Fire will produce irritating, corrosive and/or toxic gases.
Health
1
 
Flammability
0
 
 
Reactivity
0
 

Health.
Poison_Class
-
Exposure effects
Paresthesia have been reported. Headache, irritability, drowsiness and dizziness may occur. There is no evidence of methyl methacrylate-induced teratogenicity in humans but there are conflicting reports in animals.
   Ingestion
May cause irritation of the digestive tract.
   Inhalation
May cause respiratory tract irritation.
   Skin
Causes 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
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. 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 immediately.

Transport.
UN number
2381
Response guide
Hazard class
3
Packing Group
II
 
USCG CHRIS Code
DDP
 
HS Code
2916 14 90
 
IMO Chemical Code
17
IMO Pollution Category
III
IMO Hazard code
S