Cyclohexane-1,3-dione

  • 1,3-Cyclohexanedione
Formula
C6H8-1,3-(=O)2
Structure
Description
Light yellow - beige powder

Registry Numbers and Inventories.
CAS
504-02-9
EC (EINECS/ELINCS)
207-980-0
S 22 36/37
Merck
13,3200
Beilstein/Gmelin
385888
Beilstein Reference
4-07-00-01985
Swiss Giftliste 1
G-42651
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C6H8O2
Formula mass
112.13
Melting point, °C
105
Boiling point, °C
235
Vapor pressure, mmHg
0.05 (25 C)
Density
1.25 g/cm3 (20 C)
Solubility in water
Very soluble
pKa/pKb
5.26
Partition coefficient, pKow
-0.89
Heat of vaporization
47.2 kJ/mol
Heat of combustion
-3079 kJ/mol

Hazards and Protection.
Storage
Keep container closed when not in use. Refrigerator (approx 4 C).
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.
Disposal code
3
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, carbon dioxide.

Fire.
Fire fighting
Wear approved SCBA in full pressure-demand and full protective gear. Extinguish fire using water, dry chemical, chemical foam, or alcohol-resistant foam.

Health.
Poison_Class
4
Exposure effects
   Ingestion
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
   Inhalation
May cause respiratory tract irritation.
   Skin
May cause skin irritation.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
Get medical aid. Wash mouth out with water.
   Inhalation
Remove from exposure to fresh air immediately.
   Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids.

Transport.
USCG CHRIS Code
xx
 
HS Code
2914 29 00