375713

Propan-1,1,3,3-tetracarbonsäuretetranitril

97%

• Synonym(e): 1,1,3,3-Tetracyanopropan
• Lineare Formel: (NC)₂CHCH₂CH(CN)₂
• CAS-Nummer: 3695-98-5
• Molekulargewicht: 144.13
• MDL-Nummer: MFCD00134417
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24863399

Eigenschaften

• Assay: 97%
• mp (Schmelzpunkt): 134-139 °C (lit.)
• SMILES String: N#CC(CC(C#N)C#N)C#N
• InChI: 1S/C7H4N4/c8-2-6(3-9)1-7(4-10)5-11/h6-7H,1H2
• InChIKey: QHNAZGXMVZNHLI-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

1,1,3,3-Propanetetracarbonitrile (1,1,3,3-Tetracyanopropane) has been prepared by the Knoevenagel reaction between formaldehyde and malonitrile in the presence of β-alanine (base).[1] ¹H, ¹³C NMR, vibrational and mass spectroscopic investigations suggest that its crystals exhibit orthorhombic space group, Pbcn (No. 60). Cell parameters have been reported as: a = 7.158(2), b = 10.510(3), c = 9.733(2)Å.[2]

Preparation of 1,1,3,3-tetracyanopropane is reported.[3]

Anwendung

1,1,3,3-Propanetetracarbonitrile (1,1,3,3-Tetracyanopropane) may be used in the preparation of highly reactive vinylidene cyanide monomer (VCN), via pyrolysis at 180-250°C.[1]

1,1,3,3-Tetracyanopropane may be used in the preparation of vinylidine cyanide.[4]

Sicherheitshinweise

• Piktogramme: GHS06
• Signalwort: Danger
• H-Sätze: H300,H311 + H331,H315,H319,H335
• P-Sätze: P261 - P280 - P301 + P310 - P302 + P352 + P312 - P304 + P340 + P311 - P305 + P351 + P338
• Gefahreneinstufungen: Acute Tox. 2 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges