Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-[(4-methylphenyl)hydrazinylidene]cyclohepta-2,5-diene-1,7-dione
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

19281-39-1

19281-39-1 structure

19281-39-1 structure

Name: 4-[(4-methylphenyl)hydrazinylidene]cyclohepta-2,5-diene-1,7-dione
Chemical Name: 5-[(4-methylphenyl)hydrazinylidene]cyclohepta-3,6-diene-1,2-dione
CAS Number: 19281-39-1
Molecular Formula: C₁₄H₁₂N₂O₂
Molecular Weight: 240.25700
Create Date: 2016-09-07 18:40:25
Modify Date: 2025-11-08 12:13:55

Names
Properties

Name	5-[(4-methylphenyl)hydrazinylidene]cyclohepta-3,6-diene-1,2-dione
Synonyms	5-<p-Toluolazo>-tropolon 5-p-Tolylazo-tropolon 5-p-tolylazo-tropolone 5-<4-Methyl-phenylazo>-tropolon

Density	1.17g/cm3
Boiling Point	363.5ºC at 760 mmHg
Molecular Formula	C₁₄H₁₂N₂O₂
Molecular Weight	240.25700
Flash Point	173.7ºC
Exact Mass	240.09000
PSA	62.02000
LogP	3.47620
Vapour Pressure	1.79E-05mmHg at 25°C
Index of Refraction	1.597

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