Methyl benzoate

  • Benzoic acid, methyl ester
  • Oil of niobe
Formula
C6H5COOCH3
Structure
Description
A crystalline solid or a solid dissolved in a liquid.
Uses
In perfumes (peau d'espagne).

Registry Numbers and Inventories.
CAS
93-58-3
EC (EINECS/ELINCS)
202-259-7
EC Class
harmful
S 23 36/37
RTECS
DH3850000
RTECS class
Natural Product
UN (DOT)
2938
Merck
12,6104
Beilstein/Gmelin
1072099
Beilstein Reference
4-09-00-00283
Swiss Giftliste 1
G-1233
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C8H8O2
Formula mass
136.15
Melting point, °C
-12
Boiling point, °C
199.6
Vapor pressure, mmHg
4 (60 C)
Vapor density (air=1)
4.69
Density
1.0888 g/cm3 (20 C)
Solubility in water
Insoluble
Viscosity
1.81 cp (25 C)
Surface tension
37.9 g/s2 (20 C)
Refractive index
1.5205 (20 C)
Partition coefficient, pKow
2.12
Heat of fusion
14.8 kJ/mol
Heat of vaporization
56.68 kJ/mol
Heat of combustion
-538.7 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Do not ingest or inhale. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames.
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
Absorb spill using an absorbent, non-combustible material such as earth, sand, or vermiculite. Carefully scoop up and place into appropriate disposal container.
Stability
Stable at room temperature in closed containers under normal storage and handling conditions.
Incompatibilities
Strong oxidizing agents, strong bases.
Decomposition
Carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
82
Autoignition, °C
510
Upper exp. limit, %
20
Lower exp. limit, %
8.6
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: For small fires, use water spray, dry chemical, carbon dioxide or chemical foam.
Fire potential
Combustible material: may burn but does not ignite readily.
Hazards
Containers may explode when heated.
Combustion products
None
Health
1
 
Flammability
2
 
 
Reactivity
0
 

Health.
Poison_Class
4
Exposure effects
Seizures have been reported to occur in animals receiving lethal doses.
   Ingestion
May cause irritation of the digestive tract. May be harmful if swallowed.
   Inhalation
May cause respiratory tract irritation.
   Skin
May cause skin irritation. May be absorbed through the skin.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
   Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
   Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.
UN number
2938
Response guide
Hazard class
6.1
USCG CHRIS Code
MBZ
 
HS Code
2916 31 00
 
Std. Transport #
4925139