ICSC 1525 - o-TERPHENYL

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o-TERPHENYL

ICSC: 1525
_{April 2004}

1,2-Diphenylbenzene
o-Diphenylbenzene

CAS No: 84-15-1
RTECS No: WZ6472000

C₁₈H₁₄
Molecular mass: 230.31

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	FIRE FIGHTING
FIRE	Combustible.	NO open flames.	Water spray, dry powder, carbon dioxide.
EXPLOSION

EXPOSURE
Inhalation	Cough. Sore throat.	Local exhaust or breathing protection.	Fresh air, rest. Refer for medical attention.
Skin		Protective gloves.	Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes	Redness. Pain.	Safety goggles, 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	Diarrhoea. Nausea. Vomiting.	Do not eat, drink, or smoke during work.	Rinse mouth. Give plenty of water to drink. Refer for medical attention.

SPILLAGE DISPOSAL	PACKAGING & LABELLING
Vacuum spilled material OR sweep spilled substance into containers; if appropriate, moisten first to prevent dusting. Carefully collect remainder, then remove to safe place. Do NOT let this chemical enter the environment. Personal protection: P2 filter respirator for harmful particles.

EMERGENCY RESPONSE	STORAGE
NFPA Code: H0; F1; R0

IMPORTANT DATA
Physical State; Appearance COLOURLESS TO LIGHT-YELLOW CRYSTALS Chemical dangers On combustion, forms toxic fumes including carbon monoxide. Occupational exposure limits TLV: (as terphenyls) 5 mg/m³; (Ceiling value); (ACGIH 2004). MAK not established.	Routes of exposure The substance can be absorbed into the body by ingestion and by inhalation. Inhalation risk Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed. Effects of short-term exposure The substance is irritating to the eyes and the respiratory tract.

PHYSICAL PROPERTIES	ENVIRONMENTAL DATA
Boiling point: 332°C Melting point: 56.2°C Relative density (water = 1): 1.1 Solubility in water: none Vapour pressure, Pa at 25°C: 0.0033 Relative vapour density (air = 1): 7.9 Relative density of the vapour/air-mixture at 20°C (air = 1): <0.9 Flash point: 163°C o.c. Octanol/water partition coefficient as log Pow: 5.5	Bioaccumulation of this chemical may occur in fish.

NOTES

The occupational exposure limit value should not be exceeded during any part of the working exposure.

IPCS
International
Programme on
Chemical Safety

Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2004

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Updated by AS. Approved by EC. Last update: 05.07.2004