Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Propanedinitrile,2-(2,3-dihydro-4H-1-benzopyran-4-ylidene)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

30197-78-5

30197-78-5 structure

30197-78-5 structure

Name: Propanedinitrile,2-(2,3-dihydro-4H-1-benzopyran-4-ylidene)-
Chemical Name: 2-(2,3-dihydrochromen-4-ylidene)propanedinitrile
CAS Number: 30197-78-5
Molecular Formula: C₁₂H₈N₂O
Molecular Weight: 196.20500
Create Date: 2016-12-31 12:27:39
Modify Date: 2024-10-02 21:38:19

Name	2-(2,3-dihydrochromen-4-ylidene)propanedinitrile
Synonyms	chroman-4-ylidene-malononitrile 2,3-dihydro-4h-chromen-4-ylidenepropanedinitrile 4-Dicyanmethylenchroman

Density	1.258g/cm3
Boiling Point	370.8ºC at 760mmHg
Molecular Formula	C₁₂H₈N₂O
Molecular Weight	196.20500
Flash Point	157.1ºC
Exact Mass	196.06400
PSA	56.81000
LogP	2.26986
Index of Refraction	1.599

491-37-2 structure

491-37-2

109-77-3 structure

109-77-3

~58%

30197-78-5 structure

30197-78-5

Literature: Xue, Dong; Chen, Ying-Chun; Cui, Xin; Wang, Qi-Wei; Zhu, Jin; Deng, Jin-Gen Journal of Organic Chemistry, 2005 , vol. 70, # 9 p. 3584 - 3591

Precursor 2
491-37-2 109-77-3
DownStream 0

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