Triacetin

  • 1,2,3 Propanetriol triacetate
  • Glyceryl triacetate
  • Triacetyl glycerine
Formula
C3H5(OCOCH3)3
Structure
Description
Colorless liquid. Very faint, fruity.
Uses
Cellulose acetate plasticizer in manufacture of cigarette filters, component in binders for solid rocket fuels, plasticizer for cellulose nitrate, fungicide in cosmetics, carrier in fungicidal compositions, manufacture of cosmetics.

Registry Numbers and Inventories.
CAS
102-76-1
EC (EINECS/ELINCS)
203-051-9
RTECS
AK3675000
RTECS class
Drug; Primary Irritant
Merck
12,9721
Beilstein/Gmelin
1792353
Beilstein Reference
4-02-00-00253
Swiss Giftliste 1
G-1660
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C9H14O6
Formula mass
218.21
Melting point, °C
4
Boiling point, °C
258
Vapor pressure, mmHg
0.014 (25 C)
Vapor density (air=1)
7.52
Density
1.1596 g/cm3 (20 C)
Solubility in water
Soluble
Viscosity
8.12 cp (39.9 C)
Refractive index
1.4328 (15 C)
Partition coefficient, pKow
-0.24
Heat of fusion
25.8 kJ/mol
Heat of vaporization
49.6 kJ/mol

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 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
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Clean up spills immediately, using the appropriate protective equipment. Provide ventilation.
Stability
No data.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
138
Autoignition, °C
433
Upper exp. limit, %
7.7
Lower exp. limit, %
1.1
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
Slight when exposed to heat, flame or powerful oxidizers
Health
1
 
Flammability
1
 
 
Reactivity
0
 

Health.
Poison_Class
5
Exposure effects
   Ingestion
May cause irritation of the digestive tract. Expected to be a low ingestion hazard.
   Inhalation
Low hazard for usual industrial handling.
   Skin
Low hazard for usual industrial handling.
   Eyes
May cause eye irritation. Causes eye irritation. Causes severe burning pain and redness of the conjunctiva.

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
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. Wash clothing before reuse.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transport.
USCG CHRIS Code
GCT
 
HS Code
2915 39 30
 
IMO Pollution Category
III