CAS 121-29-9|pyrethrin 2

Introduction：Basic information about CAS 121-29-9|pyrethrin 2, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Toxicological Information
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
4. Safety Information
5. Synonyms

Common Name	pyrethrin 2
CAS Number	121-29-9	Molecular Weight	372.455
Density	1.1±0.1 g/cm3	Boiling Point	473.7±45.0 °C at 760 mmHg
Molecular Formula	C₂₂H₂₈O₅	Melting Point	/
MSDS	/	Flash Point	203.8±28.8 °C

Names

Name	pyrethrin II
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.1±0.1 g/cm3
Boiling Point	473.7±45.0 °C at 760 mmHg
Molecular Formula	C₂₂H₂₈O₅
Molecular Weight	372.455
Flash Point	203.8±28.8 °C
Exact Mass	372.193665
PSA	69.67000
LogP	4.43
Vapour Pressure	0.0±1.2 mmHg at 25°C
Index of Refraction	1.528
InChIKey	VJFUPGQZSXIULQ-QYVAASDLSA-N
SMILES	C=CC=CCC1=C(C)C(OC(=O)C2C(C=C(C)C(=O)OC)C2(C)C)CC1=O

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GZ0700000

CHEMICAL NAME :: Cyclopropaneacrylic acid, 3-carboxy-alpha,2,2-trimethyl-, 1-methyl ester, ester with 4- hydroxy-3-methyl-2-(2,4-pentadienyl)-2-cyclopenten-1- one

CAS REGISTRY NUMBER :: 121-29-9

LAST UPDATED :: 199701

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: C22-H28-O5

MOLECULAR WEIGHT :: 372.50

WISWESSER LINE NOTATION :: L5V BUTJ B2U2U1 C1 DOV- BL3TJ A1 A1 C1UY1&VO1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Human - man

DOSE/DURATION :: 1029 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85DCAI "Poisoning; Toxicology, Symptoms, Treatments," 2nd ed., Arena, J.M., Springfield, IL, C.C. Thomas, 1970 Volume(issue)/page/year: 2,73,1970

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 200 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ARSIM* Agricultural Research Service, USDA Information Memorandum. (Beltsville, MD 20705) Volume(issue)/page/year: 20,17,1966

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - tremor Behavioral - convulsions or effect on seizure threshold

REFERENCE :: PCBPBS Pesticide Biochemistry and Physiology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1971- Volume(issue)/page/year: 2,308,1972

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 130 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ABCHA6 Agricultural and Biological Chemistry. (Maruzen Co. Ltd., POB 5050, Tokyo International, Tokyo 100-31, Japan) V.25- 1961- Volume(issue)/page/year: 37,2681,1973 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-FINLAND:TWA 5 mg/m3;STEL 10 mg/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 5 mg/m3;STEL 10 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83467 No. of Facilities: 6 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 17 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83467 No. of Facilities: 241 (estimated) No. of Industries: 6 No. of Occupations: 8 No. of Employees: 5966 (estimated) No. of Female Employees: 390 (estimated)

Safety Information

Hazard Codes	Xn: Harmful;N: Dangerous for the environment;
Risk Phrases	R20/21/22
Safety Phrases	S13;S60;S61
RIDADR	UN 2902
Packaging Group	III
Hazard Class	6.1(b)
HS Code	29183000

Synonyms

(1S)-2-methyl-4-oxo-3-(2Z)-2,4-pentadien-1-yl-2-cyclopenten-1-yl (1R,3R)-3-[(1E)-3-methoxy-2-methyl-3-oxo-1-propen-1-yl]-2,2-dimethylcyclopropanecarboxylate

(1R,3R)-3-[(1E)-3-Méthoxy-2-méthyl-3-oxo-1-propèn-1-yl]-2,2-diméthylcyclopropanecarboxylate de (1S)-2-méthyl-4-oxo-3-[(2E)-2,4-pentadièn-1-yl]-2-cyclopentén-1-yle

(1S)-2-Methyl-4-oxo-3-[(2E)-penta-2,4-dien-1-yl]cyclopent-2-en-1-yl-(1R,3R)-3-[(1E)-3-methoxy-2-methyl-3-oxoprop-1-en-1-yl]-2,2-dimethylcyclopropancarboxylat

Cyclopropanecarboxylic acid, 3-[(1E)-3-methoxy-2-methyl-3-oxo-1-propen-1-yl]-2,2-dimethyl-, (1S)-2-methyl-4-oxo-3-[(2E)-2,4-pentadien-1-yl]-2-cyclopenten-1-yl ester, (1R,3R)-

(1S)-2-Methyl-4-oxo-3-[(2E)-2,4-pentadien-1-yl]-2-cyclopenten-1-yl (1R,3R)-3-[(1E)-3-methoxy-2-methyl-3-oxo-1-propen-1-yl]-2,2-dimethylcyclopropanecarboxylate

(Z)-(S)-2-methyl-4-oxo-3-(penta-2,4-dienyl)cyclopent-2-enyl (E)-(1R,3R)-3-(2-methoxycarbonylprop-1-enyl)-2,2-dimethylcyclopropanecarboxylate

PYRETHRIN 2

(1S)-2-Methyl-4-oxo-3-[(2E)-penta-2,4-dien-1-yl]cyclopent-2-en-1-yl (1R,3R)-3-[(1E)-3-methoxy-2-methyl-3-oxoprop-1-en-1-yl]-2,2-dimethylcyclopropanecarboxylate

(1S)-2-methyl-4-oxo-3-[(2Z)-penta-2,4-dien-1-yl]cyclopent-2-en-1-yl (1R,3R)-3-[(1E)-3-methoxy-2-methyl-3-oxoprop-1-en-1-yl]-2,2-dimethylcyclopropane-1-carboxylate

Pyrethrin II

(Z)-(S)-2-methyl-4-oxo-3-(penta-2,4-dienyl)cyclopent-2-enyl (E)-(1R)-trans-3-(2-methoxycarbonylprop-1-enyl)-2,2-dimethylcyclopropanecarboxylate

(Z)-(S)-2-methyl-4-oxo-3-(penta-2,4-dienyl)cyclopent-2-enyl pyrethrate

(1S)-2-Methyl-4-oxo-3-[(2E)-2,4-pentadien-1-yl]-2-cyclopenten-1-yl-(1R,3R)-3-[(1E)-3-methoxy-2-methyl-3-oxo-1-propen-1-yl]-2,2-dimethylcyclopropancarboxylat

EINECS 204-462-6

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