ICSC 0867 - DICHLOBENIL

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DICHLOBENIL	ICSC: 0867 (April 2005)
2,6-Dichlorobenzonitrile DBN 2,6-Dichlorophenylcyanide

CAS #: 1194-65-6

EC Number: 214-787-5

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.		In case of fire in the surroundings, use appropriate extinguishing media.

See EFFECTS OF LONG-TERM OR REPEATED EXPOSURE.
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Cough.	Use ventilation (not if powder), local exhaust or breathing protection.	Fresh air, rest.
Skin	MAY BE ABSORBED!	Protective gloves.	Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes	Redness.	Wear safety goggles.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Ingestion		Do not eat, drink, or smoke during work.	Rinse mouth. Do NOT induce vomiting. 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 sealable 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 Transportation UN Classification
STORAGE
Provision to contain effluent from fire extinguishing. Separated from oxidants and food and feedstuffs. Store in an area without drain or sewer access.
PACKAGING
Do not transport with food and feedstuffs.

DICHLOBENIL

ICSC: 0867

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance WHITE-TO-OFF-WHITE CRYSTALS WITH CHARACTERISTIC ODOUR. Physical dangers Chemical dangers Decomposes on heating. This produces toxic and corrosive fumes including hydrogen chloride. Reacts violently with oxidants.	Formula: C₇H₃Cl₂N / C₆H₃Cl₂(CN) Molecular mass: 172.0 Boiling point: 270°C Melting point: 145-146°C Density: 1.3 g/cm³ Solubility in water: none Vapour pressure, Pa at 20°C: 0.073 Octanol/water partition coefficient as log Pow: 2.64

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
WHITE-TO-OFF-WHITE CRYSTALS WITH CHARACTERISTIC ODOUR.

Physical dangers

Chemical dangers
Decomposes on heating. This produces toxic and corrosive fumes including hydrogen chloride. Reacts violently with oxidants.

Formula: C₇H₃Cl₂N / C₆H₃Cl₂(CN)
Molecular mass: 172.0
Boiling point: 270°C
Melting point: 145-146°C
Density: 1.3 g/cm³
Solubility in water: none
Vapour pressure, Pa at 20°C: 0.073
Octanol/water partition coefficient as log Pow: 2.64

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	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 skin. This may result in chloracne.

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

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 skin. This may result in chloracne.

OCCUPATIONAL EXPOSURE LIMITS

ENVIRONMENT
The substance is toxic 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
Dichlobenil is a major metabolite of chlorthiamid. See ICSC 0852.

ADDITIONAL INFORMATION

EC Classification
Symbol: Xn, N; R: 21-51/53; S: (2)-36/37-61

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