INTOX Home Page
CYPERMETHRIN ICSC: 0246
Date of peer-review: 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 # 52315-07-8 C22H19Cl2NO3
RTECS # GZ1250000 Molecular mass: 416.3
UN # 3352
EC #
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. (Extra personal protection: A/P2 filter respirator for organic vapour and harmful dust.)
Do not transport with food and feedstuffs. Severe marine pollutant.
EU Classification
UN Classification
UN Hazard Class: 6.1
UN Pack Group: II
EMERGENCY RESPONSE STORAGE
Transport Emergency Card: TEC (R)-61G43b
Provision to contain effluent from fire extinguishing. Separated from food and feedstuffs. Keep in a well-ventilated room.
IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 2001

SEE IMPORTANT INFORMATION ON BACK


CYPERMETHRIN ICSC: 0246
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
YELLOW VISCOUS LIQUID TO PASTE, WITH CHARACTERISTIC ODOUR.

CHEMICAL DANGERS:
The substance decomposes on heating above 220C, 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 20C.

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
Boiling point (decomposes): 220C
Melting point: 60-80C
Relative density (water = 1): 1.1
Solubility in water: none
Vapour pressure, Pa at 20C: <10
Octanol/water partition coefficient as log Pow: 6.3
ENVIRONMENTAL DATA
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.
ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 2001

See Also:
        Alpha-cypermethrin (UK PID)
        Cypermethrin (EHC 82, 1989)
        Cypermethrin (PDS)
        Cypermethrin (PIM 163)
        Cypermethrin (UK PID)