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: 2-Hydroxy-6-[2-(4-hydroxyphenyl)vinyl]benzoic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

491-79-2

491-79-2 structure

491-79-2 structure

Name: 2-Hydroxy-6-[2-(4-hydroxyphenyl)vinyl]benzoic acid
Chemical Name: Hydrangeic acid
CAS Number: 491-79-2
Molecular Formula: C₁₅H₁₂O₄
Molecular Weight: 256.253
Create Date: 2021-09-10 14:20:46
Modify Date: 2025-09-12 14:25:25

Names
Properties

Name	Hydrangeic acid
Synonyms	2-hydroxy-6-[(E)-2-(4-hydroxyphenyl)ethenyl]benzoic acid Hydrangeic acid Benzoic acid, 2-hydroxy-6-[(E)-2-(4-hydroxyphenyl)ethenyl]- 2-Hydroxy-6-[(E)-2-(4-hydroxyphenyl)vinyl]benzoic acid

Density	1.4±0.1 g/cm3
Boiling Point	485.0±45.0 °C at 760 mmHg
Molecular Formula	C₁₅H₁₂O₄
Molecular Weight	256.253
Flash Point	261.3±25.2 °C
Exact Mass	256.073547
LogP	4.29
Vapour Pressure	0.0±1.3 mmHg at 25°C
Index of Refraction	1.752

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