Lauric acid

  • Dodecanoic acid
Formula
CH3(CH2)10COOH
Structure
Description
White, colorless or slightly yellow crystalline solid or powder with a slight, but characteristic odor, like oil of bay.
Uses
Alkyled resins, wetting agents, soaps, detergents, cosmetics, insecticides, food additives.

Registry Numbers and Inventories.
CAS
143-07-7
EC (EINECS/ELINCS)
205-582-1
EC Class
irritant
S 22 24/25
RTECS
OE9800000
RTECS class
Tumorigen; Mutagen; Natural Product; Primary Irritant
Merck
13,5400
Beilstein/Gmelin
1099477
Beilstein Reference
4-02-00-01082
EPA OPP
128918
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C12H24O2
Formula mass
200.32
Melting point, °C
42 - 45
Boiling point, °C
296
Vapor pressure, mmHg
0.001 (25 C)
Vapor density (air=1)
6.91
Saturation Concentration
Extremely low at room temperature.
Odor Threshold Odor threshold .
Critical temperature
462
Critical pressure
19.09
Density
0.875 g/cm3
Solubility in water
Insoluble
Viscosity
3.26 cp (80 C)
Surface tension
43.6 g/s2 (37 C)
Refractive index
1.4208 (74 C)
pKa/pKb
5.78 (pKa)
Partition coefficient, pKow
4.20
Heat of vaporization
56.6 kJ/mol
Heat of combustion
-7418 kJ/mol

Hazards and Protection.
Storage
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
D2B
Handling
Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. 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
Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.
Disposal code
4
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, bases, reducing agents.
Decomposition
Carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
134
Autoignition, °C
377
Upper exp. limit, %
8.4
Lower exp. limit, %
0.6
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.
Hazards
May cause dust explosion.

Health.
Poison_Class
F (Not subject to toxicity classification)
Exposure effects
   Ingestion
May cause irritation of the digestive tract.
   Inhalation
May cause respiratory tract irritation.
   Skin
May cause skin irritation.
   Eyes
May cause 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.
   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.
USCG CHRIS Code
LRA
 
HS Code
2915 90 10
 
IMO Chemical Code
17
IMO Pollution Category
B
IMO Hazard code
P