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o-DIETHYLBENZENE ICSC: 0445
Date of Peer Review: March 1996

Diethylbenzene
CAS # 25340-17-4 C6H4(C2H5)2
RTECS # CZ5600000 Molecular mass: 134.2
UN # 2049
EC Index #
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Flammable.
NO open flames, NO sparks, and NO smoking.
Powder, carbon dioxide.
EXPLOSION


EXPOSURE
PREVENT GENERATION OF MISTS!

Inhalation Cough. Dizziness. Headache. Unconsciousness.
Local exhaust or breathing protection.
Fresh air, rest. Refer for medical attention.
Skin Pain.
Protective gloves.
Remove contaminated clothes. Rinse skin with plenty of water or shower.
Eyes Redness. Pain.
Safety spectacles or eye protection in combination with breathing protection.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion Confusion. Dizziness. Drowsiness. Headache. Unconsciousness.
Do not eat, drink, or smoke during work.
Rinse mouth. Do NOT induce vomiting. Refer for medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Personal protection: A/P2 filter respirator for organic vapour and harmful dust. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent and remove to safe place.
EU Classification
UN Classification
UN Hazard Class: 3
UN Pack Group: III
EMERGENCY RESPONSE STORAGE
Transport Emergency Card: TEC (R)-30S2049 or 30GF1-III
NFPA Code: H2; F2; R0
Separated from strong oxidants. Well closed.
IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 2005

SEE IMPORTANT INFORMATION ON BACK
o-DIETHYLBENZENE ICSC: 0445
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
COLOURLESS LIQUID, WITH CHARACTERISTIC ODOUR.

PHYSICAL DANGERS:
The vapour mixes well with air, explosive mixtures are easily formed.

CHEMICAL DANGERS:
Reacts violently with oxidants causing fire and explosion hazard. Attacks rubber.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation of its vapour and by ingestion.

INHALATION RISK:
No indication can be given about the rate in which a harmful concentration in the air is reached on evaporation of this substance at 20C.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance is irritating to the eyes and the skin. The substance may cause effects on the central nervous system, resulting in headache, dizziness and unconsiousness.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
The liquid defats the skin. The substance may have effects on the liver and kidneys.
PHYSICAL PROPERTIES
Boiling point: 184C
Melting point: -31C
Relative density (water = 1): 0.86
Solubility in water: none
Vapour pressure, kPa at 20C: 0.1
Relative vapour density (air = 1): 4.6
Flash point: 55C c.c.
Auto-ignition temperature: 380C
ENVIRONMENTAL DATA
The substance is harmful to aquatic organisms.
NOTES
Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken. Card has been partly updated in October 2005. See section Emergency Response.
ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 2005