CAS 70-38-2|Cyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)-, (2,4-dimeth

Introduction：Basic information about CAS 70-38-2|Cyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)-, (2,4-dimeth, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

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

Common Name	Cyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)-, (2,4-dimethylphenyl)methylester
CAS Number	70-38-2	Molecular Weight	286.40900
Density	1.042g/cm3	Boiling Point	363.9ºC at 760 mmHg
Molecular Formula	C₁₉H₂₆O₂	Melting Point	/
MSDS	/	Flash Point	167.8ºC

Names

Name	dimethrin
Synonym	More Synonyms

BiologicalActivity

Description	Dimethrin is a pyrethroid ester insecticide[1].
Related Catalog	Research Areas >>OthersSignaling Pathways >>Others >>Others
References	[1]. M S MASRI, et al. METABOLIC FATE OF TWO CHRYSANTHEMUMIC ACID ESTERS: BARTHRIN AND DIMETHRIN. Toxicol Appl Pharmacol. 1964 Nov:6:711-5.

Chemical & Physical Properties

Density	1.042g/cm3
Boiling Point	363.9ºC at 760 mmHg
Molecular Formula	C₁₉H₂₆O₂
Molecular Weight	286.40900
Flash Point	167.8ºC
Exact Mass	286.19300
PSA	26.30000
LogP	4.58500
Index of Refraction	1.557
InChIKey	FHNKBSDJERHDHZ-UHFFFAOYSA-N
SMILES	CC(C)=CC1C(C(=O)OCc2ccc(C)cc2C)C1(C)C

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GZ1455000

CHEMICAL NAME :: Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methylpropenyl)-, 2,4-dimethylbenzyl ester

CAS REGISTRY NUMBER :: 70-38-2

LAST UPDATED :: 199701

DATA ITEMS CITED :: 8

MOLECULAR FORMULA :: C19-H26-O2

MOLECULAR WEIGHT :: 286.45

WISWESSER LINE NOTATION :: L3TJ A1 A1 BVO1R B1 D1& C1UY1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 40 gm/kg

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

REFERENCE :: 28ZEAL "Pesticide Index," Frear, E.H., ed., State College, PA, College Science Pub., 1969 Volume(issue)/page/year: 5,79,1976

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 10 gm/kg

TOXIC EFFECTS :: Autonomic Nervous System - other (direct) parasympathomimetic Behavioral - convulsions or effect on seizure threshold Blood - other changes

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 33(5),116,1968

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: >15 gm/kg

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

REFERENCE :: SPEADM Special Publication of the Entomological Society of America. (4603 Calvert Rd., College Park, MD 20740) Volume(issue)/page/year: 78-1,5,1978

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: >4900 mg/kg

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

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 6,112,1964

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: >9800 mg/kg

TOXIC EFFECTS :: Behavioral - food intake (animal) Behavioral - fluid intake

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 6,112,1964 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 182 gm/kg/52W-C

TOXIC EFFECTS :: Liver - changes in liver weight

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 6,112,1964

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 57 gm/kg/16W-C

TOXIC EFFECTS :: Liver - changes in liver weight Kidney, Ureter, Bladder - changes in bladder weight Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 6,716,1964

Safety Information

RIDADR	UN 3082
Packaging Group	III

Synonyms

Dimethrin [ANSI]

2,4-dimethylbenzyl (1RS,3RS

Dimetrin

Caswell No. 359

DIMETHRIN

2,4-Dimethylbenzylchrysanthemumate

(2,4-dimethylphenyl)methyl 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate

Dimethrine

(2,4-dimethylphenyl)methyl (1Ξ,3Ξ)-2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropane-1-carboxylate

1RS,3SR)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate

(2,4-dimethylphenyl)methyl 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)cyclopropanecarboxylate

2,4-dimethylbenzyl (1RS)-cis-trans-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate

2,4-dimethylbenzyl (±)-cis-trans-chrysanthemate

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