Zinc cyanide

• Catalog No.: 14158
• CAS Number: 557-21-1
• M. F.: C2N2Zn
• M. W.: 117.4148
• Purity: 85%

SYNONYMS

• Title: 氰化锌
• IUPAC name: zinc(2+) ion bis(iminomethanide)
• IUPAC Traditional name: zinc(2+) ion bis(cyanide)

DATABASE IDS

• Merck Index: 1410135
• EC Number: 209-162-9
• CAS Number: 557-21-1
• MDL Number: MFCD00011292
• Beilstein Number: 4124366

PROPERTIES

• Purity: 85%
• Apperance: Crystalline
• Density: 1.852
• Melting Point: 800°C dec.
• Solubility: Insoluble in water, alcohol. Soluble in solutions of alkali cyanides or hydroxides
• GHS Hazard statements: H300-H310-H330-H400-H410
• European Hazard Symbols: Highly toxic (T+)
• European Hazard Symbols: Nature polluting (N)
• GHS Precautionary statements: P260-P301+P310-P304+P340-P320-P330-P361-P405-P501A
• Risk Statements: 26/27/28-32-50/53
• RTECS: ZH1575000
• Safety Statements: 7-28-29-45-60-61
• Storage Warning: Hygroscopic
• TSCA Listed: 是
• Hazard Class: 6.1
• UN Number: UN1713
• Packing Group: I

REFERENCES

• For an example of the Adams modification of the Gattermann reaction for formylation of aromatics, see: Org. Synth. Coll., 3, 549 (1955). For in situ cyanosilylation of aldehydes and ketones with Zn(CN)₂ and TMS chloride, as an alternative to Trimethylsilyl cyanide, A19598, see: Org. Synth. Coll., 7, 521 (1990).
• Used in combination with a Pd(0) catalyst in improved procedures for the cyanation of aromatic halides, instead of the classical Rosenmund-Von Braun (CuCN) method: Synth. Commun., 24, 557 (1994); Tetrahedron Lett., 40, 8193 (1999); 41, 3271 (2000); 45, 1441 (2004). For cyanation of aryl triflates, see: Tetrahedron Lett., 39, 2907 (1998); Synlett, 1207 (1998). For a review of palladium- and copper-catalyzed cyanations, see: Eur. J. Inorg. Chem., 3513 (2003).