trans-3-Phenyl-2-propenal

  • trans-Cinnamaldehyde
Formula
C6H5CH=CHCHO
Structure
Description
Yellow oily liquid with a cinnamon odor and sweet taste.
Uses
Food chemical to impart cinnamon flavor to foods, beverages, perfume chem, food chem, filtering agent, cinnamon flavoring agent in medicinals, liquors & cordials, rubber reinforcing agent.

Registry Numbers and Inventories.
CAS
104-55-2
EC (EINECS/ELINCS)
203-213-9
EC Class
harmful, irritant, sensitizing
R 21 38 43
S 25 36/37
RTECS
GD6475000
RTECS class
Mutagen; Reproductive Effector; Primary Irritant
UN (DOT)
2810
Merck
12,2356
Beilstein/Gmelin
605737
Beilstein Reference
2-07-00-00273
EPA OPP
202000
Swiss Giftliste 1
G-3134
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C9H8O
Formula mass
132.16
Melting point, °C
-8
Boiling point, °C
251
Vapor pressure, mmHg
0.03 (25 C)
Density
1.112 g/cm3 (20 C)
Solubility in water
Insoluble
Refractive index
1.618-1.623 (20 C)
Partition coefficient, pKow
1.90
Heat of vaporization
48.4 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. Wash hands before eating. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with skin and eyes. 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. Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, using the appropriate protective equipment. Remove all sources of ignition. Provide ventilation.
Disposal code
1
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents and strong bases.
Decomposition
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

Fire.
Flash Point,°C
138
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. Extinguishing media: Use foam, dry chemical, or carbon dioxide. Use agent most appropriate to extinguish fire.
Fire potential
This chemical is combustible.
Hazards
When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.
Health
2
 
Flammability
2
 
 
Reactivity
0
 

Health.
Poison_Class
4
Exposure effects
dizziness and extreme sleepiness have been reported after a large ingestion.
   Ingestion
Causes gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated.
   Inhalation
Causes respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
   Skin
Causes skin irritation.
   Eyes
Causes eye irritation.

First aid
 
   Ingestion
Do NOT induce vomiting. 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. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin
Immediately 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
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
2810
Response guide
Hazard class
6.1
Packing Group
I; II; III
 
HS Code
2912 29 00