1-Ethyl-2,3-piperazinedione
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1-Ethyl-2,3-piperazinedione
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CAS No:
59702-31-7
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Formula:
C6H10N2O2
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Chemical Name:
1-Ethyl-2,3-piperazinedione
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Synonyms:
2,3-Piperazinedione,1-ethyl-;1-Ethyl-2,3-piperazinedione;1-Ethyl-2,3-dioxopiperazine;T 1982C;N-Ethylpiperazine-2,3-dione;N-Ethyl-2,3-dioxopiperazine
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CAS No:
1-Ethyl-2,3-piperazinedione Basic Attributes
142.16
142.16
879076
261-866-5
GG5LCG550O
DTXSID80208421
29339900
Characteristics
49.4
-0.4
Solid.
0.64
143-145 °C
259.72°C (rough estimate)
1.475
2000 g/L
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Safety Information
3
36/37/38
26-36-37
TL6380250
Xi
P305 + P351 + P338
H315-H319-H335
|Warning|H315 (97.87%): 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|Aggregated GHS information provided by 47 companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
1-Ethyl-2,3-piperazinedione Use and Manufacturing
A. The 11 gN - ethylethylenediamine adding 8 g water-free methanol in A mixed solution;B. The 25 ml anhydrous methanol added into the dry three-opening in the bottle, added under mixing 2 g glacial acetic acid, stirring completely dissolved, 25 - 30 °C adding 11 g diethyl oxalate, and lowering the temperature to 15 - 20 °C, stir, is placed in the dropping funnel, to the mixed solution B;C. The mixed solution A for 30 - 50 minutes in the B [...] mixed solution, after the completion of the, heating to 50 °C, thermal insulation reaction 1 hours, after the reaction is finished, the way of concentrating under reduced pressure, boil off methanol;D. By adding 66 ml b [...], material is 50 °C placed at room temperature (25 - 30 °C) slow crystallization, to obtain the target product N - ethyl - 2, 3 - dioxygen 14.77 g (yield 83.21percent, purity 99.32percent).
An intermediate used in the new process for the synthesis of Piperacillin sodium.
Computed Properties
Molecular Weight:142.16
XLogP3:-0.4
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:1
Exact Mass:142.074227566
Monoisotopic Mass:142.074227566
Topological Polar Surface Area:49.4
Heavy Atom Count:10
Complexity:167
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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