ICSC 0106 - BIPHENYL

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BIPHENYL	ICSC: 0106 (October 2006)
Diphenyl Phenylbenzene Dibenzene

CAS #: 92-52-4

UN #: 3077

EC Number: 202-163-5

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Combustible. Finely dispersed particles form explosive mixtures in air.	NO open flames. Closed system, dust explosion-proof electrical equipment and lighting. Prevent deposition of dust. Prevent build-up of electrostatic charges (e.g., by grounding).	Use water spray, foam, powder, carbon dioxide.

PREVENT DISPERSION OF DUST!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Cough. Nausea. Vomiting.	Avoid inhalation of dust and mist. Use local exhaust or breathing protection.	Fresh air, rest. Refer for medical attention.
Skin	Redness.	Protective gloves.	Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes	Redness. Pain.	Wear safety goggles or eye protection in combination with breathing protection if powder.	Rinse with plenty of water for several minutes (remove contact lenses if easily possible).
Ingestion	Further see Inhalation.	Do not eat, drink, or smoke during work. Wash hands before eating.	Rinse mouth. Refer for medical attention .

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Personal protection: filter respirator for organic gases and particulates adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations.	According to UN GHS Criteria Causes eye irritation May cause damage to liver and nervous system through prolonged or repeated exposure if inhaled Very toxic to aquatic life Transportation UN Classification UN Hazard Class: 9; UN Pack Group: III
STORAGE
Separated from food and feedstuffs and oxidants. Provision to contain effluent from fire extinguishing. Store in an area without drain or sewer access.
PACKAGING
Do not transport with food and feedstuffs.

BIPHENYL

ICSC: 0106

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance WHITE CRYSTALS OR FLAKES WITH CHARACTERISTIC ODOUR. Physical dangers Dust explosion possible if in powder or granular form, mixed with air. Chemical dangers Reacts with oxidants.	Formula: C₁₂H₁₀ / C₆H₅C₆H₅ Molecular mass: 154.2 Boiling point: 256°C Melting point: 70°C Relative density (water = 1): 1.04 Solubility in water, g/100ml at 20°C: 0.0004 Vapour pressure, Pa at 25°C: 1.19 Relative vapour density (air = 1): 5.3 Relative density of the vapour/air-mixture at 20°C (air = 1): 1.0 Flash point: 113°C c.c. Auto-ignition temperature: 540°C Explosive limits, vol% in air: 0.6 (at 111°C) - 5.8 (at 166°C) Octanol/water partition coefficient as log Pow: 3.16/4.09

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
WHITE CRYSTALS OR FLAKES WITH CHARACTERISTIC ODOUR.

Physical dangers
Dust explosion possible if in powder or granular form, mixed with air.

Chemical dangers
Reacts with oxidants.

Formula: C₁₂H₁₀ / C₆H₅C₆H₅
Molecular mass: 154.2
Boiling point: 256°C
Melting point: 70°C
Relative density (water = 1): 1.04
Solubility in water, g/100ml at 20°C: 0.0004
Vapour pressure, Pa at 25°C: 1.19
Relative vapour density (air = 1): 5.3
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.0
Flash point: 113°C c.c.
Auto-ignition temperature: 540°C
Explosive limits, vol% in air: 0.6 (at 111°C) - 5.8 (at 166°C)
Octanol/water partition coefficient as log Pow: 3.16/4.09

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation, through the skin and by ingestion. Effects of short-term exposure The substance is irritating to the eyes, skin and respiratory tract.	Inhalation risk A harmful concentration of airborne particles can be reached quickly when dispersed. Effects of long-term or repeated exposure The substance may have effects on the liver and nervous system. This may result in impaired functions.

EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation, through the skin and by ingestion.

Effects of short-term exposure
The substance is irritating to the eyes, skin and respiratory tract.

Inhalation risk
A harmful concentration of airborne particles can be reached quickly when dispersed.

Effects of long-term or repeated exposure
The substance may have effects on the liver and nervous system. This may result in impaired functions.

OCCUPATIONAL EXPOSURE LIMITS
TLV: 0.2 ppm as TWA. MAK: skin absorption (H); carcinogen category: 3

ENVIRONMENT
The substance is very toxic to aquatic organisms. Bioaccumulation of this chemical may occur along the food chain, for example in plants. It is strongly advised not to let the chemical enter into the environment.

NOTES
Do NOT take working clothes home.

ADDITIONAL INFORMATION

EC Classification
Symbol: Xi, N; R: 36/37/38-50/53; S: (2)-23-60-61

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