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RESMETHRIN ICSC: 0324
Date of Peer Review: March 2001

(5-Benzyl-3-furyl)methyl (1RS)-cis-trans-chrysanthemate
(5-(Phenylmethyl)-3-furanyl)methyl 2,2-dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylate
CAS # 10453-86-8 C22H26O3
RTECS # GZ1310000 Molecular mass: 338.5
UN # 3349
EC Index # 613-060-00-3
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Liquid formulations containing organic solvents may be flammable.
NO open flames.
Powder, AFFF, foam, carbon dioxide.
EXPLOSION

In case of fire: keep drums, etc., cool by spraying with water.
EXPOSURE
PREVENT DISPERSION OF DUST!

Inhalation
Ventilation (not if powder), local exhaust, or breathing protection.
Fresh air, rest.
Skin Redness.
Protective gloves.
Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes Redness.
Safety goggles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion
Do not eat, drink, or smoke during work. Wash hands before eating.
Rinse mouth.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Do NOT wash away into sewer. Do NOT let this chemical enter the environment. Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting. Carefully collect remainder, then remove to safe place.
Do not transport with food and feedstuffs.
EU Classification
Symbol: Xn, N
R: 22-50/53
S: (2-)-60-61
UN Classification
UN Hazard Class: 6.1
UN Pack Group: III
EMERGENCY RESPONSE STORAGE
Transport Emergency Card: TEC (R)-61GT7-III
Provision to contain effluent from fire extinguishing.
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 2005

SEE IMPORTANT INFORMATION ON BACK
RESMETHRIN ICSC: 0324
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
COLOURLESS WAXY SOLID IN VARIOUS FORMS, WITH CHARACTERISTIC ODOUR.

CHEMICAL DANGERS:
The substance decomposes on heating producing irritating fumes.

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 and the skin.

PHYSICAL PROPERTIES
Melting point: 43-48C
Relative density (water = 1): 0.96
Solubility in water: none
Vapour pressure, Pa at 20C: <10
Octanol/water partition coefficient as log Pow: 3.46
ENVIRONMENTAL DATA
The substance is very toxic to aquatic organisms. This substance may be hazardous to the environment; special attention should be given to honey bees. This substance does enter the environment under normal use. Great care, however, should be given to avoid any additional release, e.g. through inappropriate disposal.
NOTES
Carrier solvents used in commercial formulations may change physical and toxicological properties. Chrysron, Synthrin, Pynosect are trade names. Also consult publication Health and Safety Guide No. 25 Resmethrins, and Environmental Health Criteria No. 92 Resmethrins, of IPCS. Also consult ICSC 0229 (Bioresmethrin), 0239 (Cismethrin). Card has been partly updated in October 2005. See section Emergency Response.
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 2005
See Also:
        Resmethrin (UK PID)
        Resmethrins (EHC 92, 1989)
        Resmethrins (PDS)