ABCN

1,1′-Azobis(cyclohexanecarbonitrile) or ACHN is a radical initiator.[1] The molecular formula is NCC₆H₁₀N=NC₆H₁₀CN. It is a white solid that is soluble in aromatic solvents.[2]

ABCN

Names
Systematic IUPAC name 1,1′-Diazene-1,2-diyldicyclohexanecarbonitrile
Identifiers
CAS Number	2094-98-6
3D model (JSmol)	Interactive image
Abbreviations	ACHN
Beilstein Reference	960744
ChemSpider	21159585 67533 (E) 21427655 (Z)
ECHA InfoCard	100.016.595
EC Number	218-254-8
PubChem CID	74978
UNII	9Y0B93KKUS
UN number	3226
CompTox Dashboard (EPA)	DTXSID9044613
InChI InChI=1S/C14H20N4/c15-11-13(7-3-1-4-8-13)17-18-14(12-16)9-5-2-6-10-14/h1-10H2 Key: KYIKRXIYLAGAKQ-UHFFFAOYSA-N InChI=1/C14H20N4/c15-11-13(7-3-1-4-8-13)17-18-14(12-16)9-5-2-6-10-14/h1-10H2 Key: KYIKRXIYLAGAKQ-UHFFFAOYAM
SMILES N#CC1(CCCCC1)N=NC1(CCCCC1)C#N
Properties
Chemical formula	C14H20N4
Molar mass	244.342 g·mol^−1
Melting point	114 to 118[1] °C (237 to 244 °F; 387 to 391 K) decomposes near 80 °C
Hazards
GHS pictograms
GHS Signal word	Danger
GHS hazard statements	H242, H315, H319, H335
GHS precautionary statements	P261, P305+351+338
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

ACHN has a 10-hour halflife in toluene at 88 °C.[1]

See also

• Azobisisobutylonitrile (AIBN) is another commonly used free radical initiator

References

1. 1,1′-Azobis(cyclohexanecarbonitrile) at Sigma-Aldrich
2. Steven A. Kates, Fernando Albericio (2001). "1,1'-Azobis-1-cyclohexanenitrile". e-EROS Encyclopedia of Reagents for Organic Synthesis. doi:10.1002/047084289X.ra120.