Xanthene

Formula
C13H10O
Structure
Description
Yellow crystalline powder.
Uses
Used as a fungicide and in organic synthesis.

Registry Numbers and Inventories.
CAS
92-83-1
EC (EINECS/ELINCS)
202-194-4
R 42/43
S 22 36/37 45
RTECS
ZD5520000
RTECS class
Drug
UN (DOT)
3335
Beilstein/Gmelin
133939
Beilstein Reference
5-17-02-00252
Canada DSL/NDSL
NDSL
US TSCA
Listed
New Zealand
Listed

Properties.
Formula
C13H10O
Formula mass
182.22
Melting point, °C
101-102
Boiling point, °C
310-312
Vapor pressure, mmHg
0.001 (25 C)
Solubility in water
Insoluble
Partition coefficient, pKow
3.93
Heat of vaporization
53.0 kJ/kJ/mol

Hazards and Protection.
Protection
Wear appropriate protective gloves, clothing and goggles.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Small spills/leaks
Do not touch or walk through spilled material. Stop leak if you can do it without risk. Prevent dust cloud. Avoid inhalation of asbestos dust.

Fire.
Flash Point,°C
138
Fire fighting
Small Fires: Dry chemical, carbon dioxide, water spray or regular foam. Large Fires: Water spray, fog or regular foam.
Fire potential
May burn but does not ignite readily.
Hazards
Containers may explode when heated.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Exposure effects
   Inhalation
Inhalation of material may be harmful.
   Skin
Contact may cause burns.
   Eyes
See Skin.

First aid
 
   Ingestion
Seek medical assistance.
   Inhalation
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult.
   Skin
Remove and isolate contaminated clothing and shoes. Immediately flush with running water for at least 20 minutes.
   Eyes
Immediately flush with running water for at least 20 minutes.

Transport.
UN number
3335
Response guide