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Cas Database

Name	(+)-trans-Permethrin	EINECS	N/A
CAS No.	51877-74-8	Density	1.293g/cm³
PSA	35.53000	LogP	5.86470
Solubility	N/A	Melting Point	N/A
Formula	C21H20 Cl2 O3	Boiling Point	465.9°Cat760mmHg
Molecular Weight	391.294	Flash Point	159.4°C
Transport Information	N/A	Appearance	N/A
Safety	A poison by intravenous route. Moderately toxic by ingestion. Questionable carcinogen.	Risk Codes	N/A
Molecular Structure		Hazard Symbols	N/A
Synonyms	Cyclopropanecarboxylicacid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, (3-phenoxyphenyl)methyl ester,(1R-trans)-; (+)-trans-Permethrin; 1R,trans-Permethrin; Biopermethrin; NRDC147; RU 22090	Article Data	4

(+)-trans-Permethrin Chemical Properties

Molecular Structure of (+)-trans-Permethrin (CAS NO. 51877-74-8):

IUPAC Name: (3-Phenoxyphenyl)methyl (1S,3R)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate
Molecular Formula: C₂₁H₂₀Cl₂O₃
Molecular Weight: 391.287700 g/mol
XLogP3: 6.5
H-Bond Donor: 0
H-Bond Acceptor: 3
Canonical SMILES: CC1(C(C1C(=O)OCC2=CC(=CC=C2)OC3=CC=CC=C3)C=C(Cl)Cl)C
Isomeric SMILES: CC1([C@H]([C@@H]1C(=O)OCC2=CC(=CC=C2)OC3=CC=CC=C3)C=C(Cl)Cl)C
InChI: InChI=1S/C21H20Cl2O3/c1-21(2)17(12-18(22)23)19(21)20(24)25-13-14-7-6-10-16(11-14)26-15-8-4-3-5-9-15/h3-12,17,19H,13H2,1-2H3/t17-,19+/m0/s1
InChIKey: RLLPVAHGXHCWKJ-PKOBYXMFSA-N
Index of Refraction: 1.615
Molar Refractivity: 105.69 cm³
Molar Volume: 302.5 cm³
Polarizability: 41.89 × 10^-24 cm³
Surface Tension: 50.5 dyne/cm
Density: 1.293 g/cm³
Flash Point: 159.4 °C
Enthalpy of Vaporization: 72.76 kJ/mol
Boiling Point: 465.9 °C at 760 mmHg
Vapour Pressure of (+)-trans-Permethrin (CAS NO. 51877-74-8): 7.41E-09 mmHg at 25 °C

(+)-trans-Permethrin Toxicity Data With Reference

1.	ivn-rat LD :>270 mg/kg	ARTODN Archives of Toxicology. 45 (1980),325.
2.	orl-mus LD50:3100 mg/kg	EVHPAZ EHP, Environmental Health Perspectives. Subseries of DHEW Publications. 14 (1976),15.
3.	scu-frg LD50:7500 µg/kg	PCBPBS Pesticide Biochemistry and Physiology. 20 (1983),217.

(+)-trans-Permethrin Consensus Reports

IARC Cancer Review: Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 53 ,1991,p. 329.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 53 ,1991,p. 329.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Human No Available Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 53 ,1991,p. 329.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) .

(+)-trans-Permethrin Safety Profile

A poison by intravenous route. Moderately toxic by ingestion. Questionable carcinogen.

(+)-trans-Permethrin Specification

(+)-trans-Permethrin with cas registry number of 51877-74-8 is also called for (1R)-trans-Permethrin ; AI3-29190 ; Biopermethrin ; Biopermethrin [ISO] ; NRDC 147 ; RU 22090 ; Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, (3-phenoxyphenyl)methyl ester, (1R-trans-) ; Cyclopropanecarboxylic acid, 3-(2,2-dichlorovinyl)-2,2-dimethyl-, (3-phenoxyphenyl)methyl ester, (1R-trans)- .

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