2-Chloro-3-methylpyrazine
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2-Chloro-3-methylpyrazine
structure -
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CAS No:
95-58-9
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Formula:
C5H5ClN2
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Chemical Name:
2-Chloro-3-methylpyrazine
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Synonyms:
Pyrazine,2-chloro-3-methyl-;2-Chloro-3-methylpyrazine;2-Methyl-3-chloropyrazine;NSC 41093
- Categories:
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CAS No:
2-Chloro-3-methylpyrazine Basic Attributes
128.56
128.56
202-434-8
ZWK9VBZ5ZX
41093
DTXSID4059124
2933990090
Safety Information
22-37/38-41
26-39
Xn
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
H315
|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
2-Chloro-3-methylpyrazine Use and Manufacturing
(i) (1) Dissolve 9.41 g (0.1 mol) of 2-methylpyrazine in 30.0percent of 182.30 g of hydrochloric acid (containing 1.5 mol of hydrogen chloride).Under stirring, the temperature was controlled at 0-15°C, and 25.32 g of a 25.0percent hydrogen peroxide solution was added dropwise.The reaction temperature was controlled at 0-15°C to make the reaction system chlorinated. The reaction was sampled at regular intervals and detected by high performance liquid chromatography.When it was detected that the mass of 2-methyl-3-chloropyrazine in the reaction system accounted for 73.5percent of the total organic matter mass in the reaction system, The reaction was terminated by adding 17.21 g (0.12 mol) of cuprous bromide to obtain a 2-methyl-3-chloropyrazine-containing solution; (2) Add 63.78 g of methylene chloride to the feed solution, stir and extract for 2 hours, and let stand for 1 hour.Take the organic phase and allow it to cool down to -15°C to -5°C to allow solids to be analyzed from the organic phase.8.36 g of the resulting fixative is 2-methyl-3-chloropyrazine, After calculation, the yield was 65.5percent, and the main containment was 97.8percent.
Pyrazine, 2-chloro-3-methyl-: INACTIVE
Computed Properties
Molecular Weight:128.56
XLogP3:1.1
Hydrogen Bond Acceptor Count:2
Exact Mass:128.0141259
Monoisotopic Mass:128.0141259
Topological Polar Surface Area:25.8
Heavy Atom Count:8
Complexity:76.8
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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