ICSC 0670 - PHTHALODINITRILE

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PHTHALODINITRILE	ICSC: 0670 (October 2004)
Phthalic acid dinitrile 1,2-Benzenedicarbonitrile 1,2-Dicyanobenzene o-Benzenedinitrile

CAS #: 91-15-6

UN #: 3276

EC Number: 202-044-8

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Combustible. Gives off irritating or toxic fumes (or gases) in a fire. Finely dispersed particles form explosive mixtures in air.	NO open flames. Closed system, dust explosion-proof electrical equipment and lighting. Prevent deposition of dust.	Use dry powder, carbon dioxide, foam.

PREVENT DISPERSION OF DUST!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Dizziness. Headache. Nausea. Vomiting. Convulsions. Unconsciousness.	Use local exhaust or breathing protection.	Fresh air, rest. Refer for medical attention.
Skin		Protective gloves.	Rinse skin with plenty of water or shower.
Eyes		Wear safety goggles.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Ingestion	Dizziness. Headache. Nausea. Vomiting. Convulsions. Unconsciousness.	Do not eat, drink, or smoke during work.	Rinse mouth. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Give a slurry of activated charcoal in water to drink. Refer for medical attention .

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Sweep spilled substance into covered containers. Carefully collect remainder. Then store and dispose of according to local regulations.	According to UN GHS Criteria Transportation UN Classification UN Hazard Class: 6.1; UN Pack Group: III
STORAGE
Separated from strong oxidants and food and feedstuffs.
PACKAGING
Do not transport with food and feedstuffs.

PHTHALODINITRILE

ICSC: 0670

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance YELLOW CRYSTALLINE POWDER WITH CHARACTERISTIC ODOUR. Physical dangers No data. Chemical dangers Decomposes on heating. This produces toxic fumes including cyanide. On combustion, forms nitrogen oxides. Reacts with strong oxidants.	Formula: C₈H₄N₂ / C₆H₄(CN)₂ Molecular mass: 128.1 Boiling point: 304.5°C Melting point: 141°C Density: 1.24 g/cm³ Solubility in water, g/100ml at 25°C: 0.06 Vapour pressure, Pa at 20°C: 4 Flash point: 162°C Auto-ignition temperature: >580°C Octanol/water partition coefficient as log Pow: 0.58

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
YELLOW CRYSTALLINE POWDER WITH CHARACTERISTIC ODOUR.

Physical dangers
No data.

Chemical dangers
Decomposes on heating. This produces toxic fumes including cyanide. On combustion, forms nitrogen oxides. Reacts with strong oxidants.

Formula: C₈H₄N₂ / C₆H₄(CN)₂
Molecular mass: 128.1
Boiling point: 304.5°C
Melting point: 141°C
Density: 1.24 g/cm³
Solubility in water, g/100ml at 25°C: 0.06
Vapour pressure, Pa at 20°C: 4
Flash point: 162°C
Auto-ignition temperature: >580°C
Octanol/water partition coefficient as log Pow: 0.58

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation and by ingestion. Effects of short-term exposure The substance may cause effects on the central nervous system.	Inhalation risk A harmful concentration of airborne particles can be reached quickly when dispersed. Effects of long-term or repeated exposure

EXPOSURE & HEALTH EFFECTS

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

Effects of short-term exposure
The substance may cause effects on the central nervous system.

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

Effects of long-term or repeated exposure

OCCUPATIONAL EXPOSURE LIMITS
TLV: 1 mg/m³, as TWA

ENVIRONMENT
The substance is harmful to aquatic organisms. This substance does enter the environment under normal use. Great care, however, should be taken to avoid any additional release, for example through inappropriate disposal.

NOTES

ADDITIONAL INFORMATION

EC Classification

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