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(5H)-5-Methyl-6-7-dihydro-cyclopenta(b)pyrazine(CAS#23747-48-0)

Chemical Property:

Molecular Formula C8H10N2
Molar Mass 134.18
Density 1.055g/mLat 25°C(lit.)
Melting Point 121-123 °C
Boling Point 96-99°C20mm Hg(lit.)
Flash Point 174°F
JECFA Number 781
Water Solubility insoluble
Vapor Presure 0.291mmHg at 25°C
Appearance clear liquid
Color Colorless to Light yellow to Light orange
Odor nutty, roasted odor
pKa 1.85±0.40(Predicted)
Storage Condition Inert atmosphere,Room Temperature
Refractive Index n20/D 1.527(lit.)
Use Used as a spice, with a baked food aroma

Product Detail

Product Tags

Hazard Symbols Xi – Irritant
Risk Codes 36/37/38 – Irritating to eyes, respiratory system and skin.
Safety Description S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection.
WGK Germany 3
TSCA Yes
HS Code 29339900

 

Introduction

5-Methyl-6,7-dihydro-5H-cyclopentapyrazine. It is a white crystalline solid that resembles a crystal or powder in appearance. The substance is stable at room temperature, but gradually decomposes under the action of high temperature, light or oxygen.

 

5-Methyl-6,7-dihydro-5H-cyclopentapyrazine has a wide range of applications. It is an effective insecticide that is used in agriculture to control the growth and reproduction of pests.

 

There are two main ways to prepare 5-methyl-6,7-dihydro-5H-cyclopentapyrazine. One is obtained by condensation reaction of N-methylpyrazine, and then hydrogenation reaction is carried out to obtain the target product. The other is synthesized by the oxidation and reduction reaction of 5-benzoyl-6,7-dihydro-5H-cyclopentapyrazine.

 

Safety Information: 5-Methyl-6,7-dihydro-5H-cyclopentapyrazine is a toxic substance. It may have an irritating effect on the body’s nervous and respiratory systems and is irritating to the skin and eyes. Appropriate personal protective measures such as wearing protective eyewear, gloves and face shields are required during operation. The substance needs to be stored in an airtight container, away from ignition and oxidants. When handling the substance, dust and aerosols should be avoided, and inhalation and skin contact should be avoided. If exposure occurs, rinse immediately with plenty of water and seek medical attention. When handling and using 5-methyl-6,7-dihydro-5H-cyclopentapyrazine, carefully follow the relevant safety protocols.


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