690414
丙二腈
Arxada quality, ≥99.0% (calculated, GC, KF)
别名:
二氰基甲烷
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线性分子式:
CH2(CN)2
化学文摘社编号:
分子量:
66.06
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
203-703-2
Beilstein/REAXYS Number:
773697
MDL number:
Assay:
≥99.0% (calculated, GC, KF)
Form:
liquid
Quality Segment
assay
≥99.0% (calculated, GC, KF)
form
liquid
quality
Arxada quality
manufacturer/tradename
Arxada AG
impurities
≤0.10% water, ≤0.50% (E)-2-butenedinitrile, ≤0.50% (Z)-2-butenedinitrile, ≤0.50% butanedinitrile
bp
220 °C (lit.)
mp
30-32 °C (lit.)
density
1.049 g/mL at 25 °C (lit.)
functional group
nitrile
storage temp.
2-8°C
SMILES string
N#CCC#N
InChI
1S/C3H2N2/c4-2-1-3-5/h1H2
InChI key
CUONGYYJJVDODC-UHFFFAOYSA-N
Application
Malononitrile is an active methylene reagent useful for condensation reactions to synthesize various synthetic intermediates and heterocycles. It is extensively used in the Knoevenagel condensation with various aldehydes and ketones.
Some of the reactions where malononitrile is used as a reactant are:
Some of the reactions where malononitrile is used as a reactant are:
- Synthesis of 2-pyran-4-ylidene-malononitrile (PM) based red light emitting polymers.
- Synthesis of polysubstituted dihydropyridines.
- Synthesis of various chromene derivatives upon treating with salicylic aldehydes.
- Synthesis of triselenium dicyanide by treating it with selenium dioxide.
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Danger
Hazard Classifications
Acute Tox. 2 Oral - Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Skin Sens. 1
存储类别
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 3
flash_point_f
186.8 °F - closed cup
flash_point_c
86 °C - closed cup
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges