Name: Empenthrin
SKU: 54406-48-3

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Basic Information

Molecular Structure:
CAS No.:	54406-48-3
Name:	Empenthrin

Formula:	C₁₈H₂₆O₂
Molecular Weight:	274.403
Synonyms:	Cyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, 1-ethynyl-2-methyl-2-pentenylester (9CI);Bunganon VA Plate;Empenthrin;MA 108;S 2852;S 2852 Forte;S2852F;Vaporthrin;d-Empenthrin;Cyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)-,1-ethynyl-2-methyl-2-penten-1-yl ester;
EINECS:	259-154-4
Density:	0.999 g/cm³
Melting Point:	25°C
Boiling Point:	346 °C at 760 mmHg
Flash Point:	144 °C
Solubility:	0.11 mg l-1 (25 °C)
Appearance:	liquid
Hazard Symbols:	Xn,N
Risk Codes:	22-51/53
Safety:	61
Transport Information:	UN 3082
PSA:	26.30000
LogP:	4.12610

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Chemistry

IUPAC Name: [(E)-4-Methylhept-4-en-1-yn-3-yl]2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate
Molecular Formula: C₁₈H₂₆O₂
Formula Weight: 274.44g/mol
Appearance: liquid
Density: 0.932g/cm³Boiling Point: 346 °C at 760 mmHg
Refractive index: 1.527
Flash Point: 144 °C
Vapor Pressure: 5.92E-05 mmHg at 25°C
Solubility: soluble in methanol and xylene,2.4mg/L in water,500g/kg in methanol and xylene
Stability: incompatible with strong oxidizing agents
EINECS: 259-154-4
liansport Information: UN 3082
Freely Rotating Bonds: 6
Index of Refraction: 1.527
Molar Refractivity: 84.44 cm³
Molar Volume: 274.5 cm³
Surface Tension: 38.6 dyne/cm
Enthalpy of Vaporization: 59.02 kJ/mol
EINECS: 259-154-4
Product Categories: INSECTICIDE
Classification Code of (RS)-(E)-1-Ethynyl-2-methyl-2-pentenyl(1R)-cis,trans-chrysanthemate (CAS NO.54406-48-3): Agricultural Chemical; Insecticide

Uses

(RS)-(E)-1-Ethynyl-2-methyl-2-pentenyl(1R)-cis,trans-chrysanthemate (CAS NO.54406-48-3) can be used as pesticide.There is a quick knockdown, smoked kill and repellency to insects.

Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LC50	inhalation	2300mg/m3 (2300mg/m3)		Journal of Toxicological Sciences. Vol. 17(Suppl,
mouse	LD50	oral	> 3500mg/kg (3500mg/kg)	PERIPHERAL NERVE AND SENSATION: SPASTIC PARALYSIS WITH OR WITHOUT SENSORY CHANGE BEHAVIORAL: ATAXIA KIDNEY, URETER, AND BLADDER: INCONTINENCE	Journal of Toxicological Sciences. Vol. 17(Suppl,
mouse	LD50	skin	> 5gm/kg (5000mg/kg)		Yakkyoku. Pharmacy. Vol. 37, Pg. 717, 1986.
rat	LC50	inhalation	> 4610mg/m3 (4610mg/m3)		Journal of Toxicological Sciences. Vol. 17(Suppl,
rat	LD50	oral	1680mg/kg (1680mg/kg)		Yakkyoku. Pharmacy. Vol. 37, Pg. 717, 1986.
rat	LD50	skin	5gm/kg (5000mg/kg)		Yakkyoku. Pharmacy. Vol. 36, Pg. 533, 1985.

Safety Profile

Moderately toxic by ingestion. Low toxicity by inhalation and skin contact. When heated to decomposition it emits acrid smoke and irritating vapors.
Hazard Symbols: Xn;N
Risk Statements: 22-51/53
R22: Harmful if swallowed
R51/53: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Safety Statements: 61
S61: Avoid release to the environment. Refer to special instructions safety data sheet

Specification

(RS)-(E)-1-Ethynyl-2-methyl-2-pentenyl(1R)-cis,trans-chrysanthemate (CAS NO.54406-48-3), its Synonyms are 1-Ethynyl-2-methylpent-2-enyl 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate ; Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, 1-ethynyl-2-methyl-2-pentenyl ester .