ICSC 0246 - CYPERMETHRIN

[List of Chemicals] [Risk Notes] [Risk Phrases] [Safety Phrases] [Danger Symbols]

CYPERMETHRIN

ICSC: 0246
_{March 2001}

(RS)-alpha-Cyano-3-phenoxybenzyl (1RS)-cis-trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate
Cyano(3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate

CAS No: 52315-07-8
RTECS No: GZ1250000
UN No: 3352
EC No: 607-433-00-X

C₂₂H₁₉Cl₂NO₃
Molecular mass: 416.3

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	FIRST AID / FIRE FIGHTING
FIRE	Combustible. Liquid formulations containing organic solvents may be flammable. Gives off irritating or toxic fumes (or gases) in a fire.	NO open flames.	Powder, AFFF, foam, carbon dioxide.
EXPLOSION			In case of fire: keep drums, etc., cool by spraying with water.

EXPOSURE		PREVENT GENERATION OF MISTS!
Inhalation	Burning sensation. Cough. Dizziness. Headache. Nausea. Shortness of breath.	Ventilation, local exhaust, or breathing protection.	Fresh air, rest. Refer for medical attention.
Skin	Redness. Burning sensation. Numbness. Tingling. Itching.	Protective gloves. Protective clothing.	Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes	Redness. Pain.	Face shield.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion	Abdominal pain. Convulsions. Vomiting. (Further see Inhalation).	Do not eat, drink, or smoke during work. Wash hands before eating.	Rinse mouth. Refer for medical attention.

SPILLAGE DISPOSAL	PACKAGING & LABELLING
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. Do NOT wash away into sewer. Do NOT let this chemical enter the environment. Personal protection: A/P2 filter respirator for organic vapour and harmful dust.	Xn Symbol N Symbol R: 22-37/38-43-50/53 S: (2-)36/37/39-60-61 UN Hazard Class: 6.1 UN Pack Group: II	Do not transport with food and feedstuffs. Severe marine pollutant.

EMERGENCY RESPONSE	SAFE STORAGE
Transport Emergency Card: TEC (R)-61GT6-II	Provision to contain effluent from fire extinguishing. Separated from food and feedstuffs. Keep in a well-ventilated room.

IMPORTANT DATA

Physical State; Appearance
YELLOW VISCOUS LIQUID TO PASTE, WITH CHARACTERISTIC ODOUR.

Chemical dangers
The substance decomposes on heating above 220°C, producing toxic fumes including hydrogen cyanide, hydrogen chloride.

Occupational exposure limits
TLV not established.

Routes of exposure
The substance can be absorbed into the body by inhalation of its aerosol 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 20°C.

Effects of short-term exposure
The substance is irritating to the eyes, the skin and the respiratory tract. The substance may cause effects on the nervous system, resulting in facial sensation such as tingling, itching or burning.

PHYSICAL PROPERTIES	ENVIRONMENTAL DATA
Boiling point (decomposes): 220°C Melting point: 60-80°C Relative density (water = 1): 1.1 Solubility in water: none Vapour pressure, Pa at 20°C: <10 Octanol/water partition coefficient as log Pow: 6.3	The substance is very toxic to aquatic organisms. Avoid release to the environment in circumstances different to normal use.

NOTES

Carrier solvents used in commercial formulations may change physical and toxicological properties.
Ripcord, Barricade, Cymbush, Agrothrin are trade names.
Also consult publication Health and Safety Guide No. 22 Cypermethrin, and Environmental Health Criteria No. 82 Cypermethrin, of IPCS.
Card has been partly updated in October 2004. See sections Occupational Exposure Limits, EU classification, Emergency Response.

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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