Home > Heterocyclic Compounds> 2-(2,6-dimethylpyran-4-ylidene)propanedinitrile

2-(2,6-dimethylpyran-4-ylidene)propanedinitrile

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Origin: China

Cas No: 28286-88-6

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Product Description

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CAS No.: 28286-88-6 Formula: C10H8N2O Molecular Weight: 172.18300

Basic Info

Chemical Name	2-(2,6-dimethylpyran-4-ylidene)propanedinitrile
Synonyms	2-(2-tert-Butyl-6-methyl-pyran-4-ylidene)-malononitrile; (2,6-dimethyl-4H-pyran-4-ylidene)propanedinitrile; 2-(2,6-dimethyl-4H-pyran-4-ylidene)-malononitrile; 4-(Dicyanomethylene)-2,6-dimethyl-4H-pyran; (2,6-dimethyl-4H-pyran-4-ylidene)malononitrile; 2-(2,6-Dimethyl-4H-pyran-4-ylidene)malononitrile; 2-(2,6-Dimethyl-4H-pyran-4-ylidene)propanedinitrile; 2-(2,6-dimethylpyran-4-ylidene)-malononitrile;
CAS No.	28286-88-6
Molecular Formula	C10H8N2O
Molecular Weight	172.18300
PSA	56.81000
LogP	2.16796

Properties

Appearance & Physical State	ORANGE TO BROWN POWDER, CRYSTALS,CRYSTALLINE POWDER AND/OR CHUNKS
Density	1.157 g/cm3
Boiling Point	244.1ºC at 760 mmHg
Melting Point	192-194ºC(lit.)
Flash Point	94.9ºC
Refractive Index	1.539
Vapor Pressure	0.0309mmHg at 25°C

Safety Info

HS Code	2932999099
WGK Germany	3

Synthesis Route

2,6-Dimethyl-4H-pyran-4-one+malononitrile→2-(2,6-dimethylpyran-4-ylidene)propanedinitrile
Dehydroacetic acid→2-(2,6-dimethylpyran-4-ylidene)propanedinitrile
2,6-Dimethyl-4H-pyran-4-one+Acetic anhydride→2-(2,6-dimethylpyran-4-ylidene)propanedinitrile

Precursor

malononitrile
Dehydroacetic acid
Acetic anhydride
2,6-dimethylpyran-4-thione

Downstream Product

4-(dicyanomethylene)-2-methyl-6-(4-(dimethylamino)styryl)-4H-pyran
2-[2-[(E)-2-[4-(dimethylamino)phenyl]ethenyl]-6-methylpyran-4-ylidene]propanedinitrile
2-(1-amino-2,6-dimethylpyridin-4-ylidene)propanedinitrile

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