Butyl stearate

  • Octadecanoic acid, butyl ester
  • Crodamol BS
  • Starfol BS 100
  • Uniflex BYS-Code C
  • Crodamol BS
  • Wickenol 122
Formula
CH3(CH2)16COOC4H9
Structure
Description
Crystals from alcohol, propanol, or ether. Odorless or faintly fatty odor.
Uses
Direct food additive as synthetic flavor. Plasticizer.

Registry Numbers and Inventories.
CAS
123-95-5
EC (EINECS/ELINCS)
204-666-5
RTECS
WI2900000
RTECS class
Reproductive Effector; Primary Irritant
Merck
12,1625
Beilstein/Gmelin
1792866
Beilstein Reference
4-02-00-01219
Swiss Giftliste 1
G-4169
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C22H44O2
Formula mass
340.59
Melting point, °C
21
Boiling point, °C
220
Vapor pressure, mmHg
1.30E-6 (20 C)
Vapor density (air=1)
11.4
Density
0.854 g/cm3 (20 C)
Solubility in water
Insoluble
Viscosity
6.66 cp (30 C)
Refractive index
1.44
Heat of fusion
100.1 kJ/mol
Heat of vaporization
97.13 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry, well-ventilated area away from incompatible substances. No special precautions indicated.
Handling
Wash hands before eating. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with skin and eyes. Avoid ingestion and inhalation. Use with adequate ventilation.
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 minimize contact with skin.
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
Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions.
Disposal code
1
Stability
Stable under normal shipping and handling conditions.
Incompatibilities
Oxidizing agents.
Decomposition
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Fire.
Flash Point,°C
190
Autoignition, °C
355
Upper exp. limit, %
2.3
Lower exp. limit, %
0.3
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 carbon dioxide, dry chemical, or water fog.
Fire potential
Slightly flammable. Fire hazard when exposed to heat or flame; it can react with oxidizing materials.
Health
1
 
Flammability
1
 
 
Reactivity
0
 

Health.
Poison_Class
-
Exposure effects
Reproductive effects have been reported in animals.
   Ingestion
May cause irritation of the digestive tract. Low hazard for usual industrial handling.
   Inhalation
Low hazard for usual industrial handling.
   Skin
Causes skin irritation.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Wash mouth out with water. Get medical aid if irritation or symptoms occur.
   Inhalation
Remove from exposure to fresh air immediately. 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
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. If irritation develops, get medical aid.

Transport.
USCG CHRIS Code
BST
 
HS Code
2915 70 80
 
IMO Chemical Code
18
IMO Pollution Category
III