Basic information
- Name:
(RS)-(E)-1-Ethynyl-2-methyl-2-pentenyl(1R)-cis,trans-chrysanthemate
- Superlist Name:
- Empenthrin
- CAS No.:
54406-48-3
- Deleted CAS:
- 96895-17-9
- Molecular Structure:
- Formula:
- C18H26O2
- Molecular Weight:
- 274.40
- 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
- Boiling Point:
- 346 °C at 760 mmHg
- Flash Point:
- 144 °C
- Appearance:
- liquid
- Hazard Symbols:
Xn,
N- Risk Codes:
- 22-51/53
- Safety Description:
- 61 Details
- Transport Information:
- UN 3082
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Chemistry
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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/cm3
Boiling 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 .
