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Pyrethrin I

Pyrethrin I structure

CAS No:
121-21-1
Formula:
C21H28O3
Chemical Name:
Pyrethrin I
Synonyms:
Cyclopropanecarboxylic acid,2,2-dimethyl-3-(2-methyl-1-propen-1-yl)-,(1S)-2-methyl-4-oxo-3-(2Z)-2,4-pentadien-1-yl-2-cyclopenten-1-yl ester,(1R,3R)-;Cyclopropanecarboxylic acid,2,2-dimethyl-3-(2-methylpropenyl)-,ester with 4-hydroxy-3-methyl-2-(2,4-pentadienyl)-2-cyclopenten-1-one;Pyrethrin 1;Cyclopropanecarboxylic acid,2,2-dimethyl-3-(2-methyl-1-propenyl)-,2-methyl-4-oxo-3-(2,4-pentadienyl)-2-cyclopenten-1-yl ester,[1R-[1α[S*(Z)],3β]]-;Cyclopropanecarboxylic acid,2,2-dimethyl-3-(2-methyl-1-propenyl)-,(1S)-2-methyl-4-oxo-3-(2Z)-2,4-pentadienyl-2-cyclopenten-1-yl ester,(1R,3R)-;Chrysanthemummonocarboxylic acid pyrethrolone ester;Pyrethrin I;(+)-Pyrethronyl (+)-trans-chrysanthemate;Pyrethrin A;3903-69-3;39668-01-4
Categories:
Agrochemicals > Insecticides

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Pyrethrin I Basic Attributes

Molecular Weight：

328.45

Exact Mass：

328.45

EC Number：

204-455-8

HScode：

2918300011

Characteristics

PSA：

43.37000

XLogP3：

5.49

Density：

1.5192 g/cm³ @ Temp: 18 °C

Boiling Point：

146-150 °C @ Press: 5 x 10^-4 Torr

Flash Point：

182.2±28.8 °C

Refractive Index：

1.525

Water Solubility：

In water, 0.2 mg/L (temperature not specified)

Storage Conditions：

0-6°C

Vapor Pressure：

2.03X10-5 mm Hg at 25 deg C

Specific rotation：

D20 -14° (isooctane)

Safety Information

Packing level：

III

Hazard category：

6.1(b)

Transport codes：

2902

hazard class code：

20/21/22-50/53

safety instructions：

13-60-61

Marks：

Xn,N

Stability/Shelf Life：

Stable >10 yr in absence of light, at ambient temperature.

Precautionary statement(s)：

P261, P264, P270, P271, P273, P280, P301+P312, P302+P352, P304+P312, P304+P340, P312, P322, P330, P363, P391, P501

Hazard Statements：

H302