1,3-Indandione

  • 1H-Indene-1,3(2H)-dione
  • 1,3-Diketohydrindene
Formula
C9H6O2
Structure
Description
Beige to brown powder.

Registry Numbers and Inventories.
CAS
606-23-5
EC (EINECS/ELINCS)
210-109-7
S 22 24/25
RTECS
NK5070000
RTECS class
Reproductive Effector
UN (DOT)
1325
Beilstein/Gmelin
3760325
Beilstein Reference
4-13-00-00106
Canada DSL/NDSL
NDSL
US TSCA
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C9H6O2
Formula mass
146.15
Melting point, °C
129 - 132
Boiling point, °C
283
Critical temperature
531
Critical pressure
42.0
Density
1.37 g/cm3 (21 C)
Solubility in water
Soluble
pKa/pKb
8.95 (pKa)
Partition coefficient, pKow
0.69

Hazards and Protection.
Storage
Store in a cool, dry place. Keep container closed when not in use.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Wear appropriate protective gloves, clothing and goggles.
Respirators
A respiratory protection program that meets OSHA's 29 CFR ß1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
Small spills/leaks
Make no contact with the spilled material. ELIMINATE all ignition sources and ground all equipment. With clean shovel place material into clean, dry container and cover loosely; move containers from spill area.
Disposal code
3
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Keep away from strong oxidizing agents.

Fire.
Fire fighting
Wear a self-contained breathing apparatus inpressure-demand, MSHA/NIOSH (approved or equivalent), and fullprotective gear. Use agent most appropriate to extinguish fire.
Fire potential
Flammable/combustible material. May be ignited by friction, heat, sparks or flames.
Combustion products
Fire may produce irritating and/or toxic gases.

Health.
Exposure effects
   Ingestion
May cause irritation.
   Inhalation
May cause irritation.
   Skin
May cause irritation.
   Eyes
May cause irritation.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
   Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
   Skin
Get medical aid. 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. Get medical aid.

Transport.
UN number
1325
Response guide
Hazard class
4.1
Packing Group
II; III
 
HS Code
2914 39 00