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-(1-naphthylazo)-1-naphthol
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

2653-72-7

2653-72-7 structure

2653-72-7 structure

Name: Solvent Brown 5
Chemical Name: (4E)-4-(naphthalen-1-ylhydrazinylidene)naphthalen-1-one
CAS Number: 2653-72-7
Molecular Formula: C₂₀H₁₄N₂O
Molecular Weight: 298.33800
Catalog: Dyes and pigments dye Solvent dye
Create Date: 2018-02-25 08:00:00
Modify Date: 2025-08-25 20:15:40

Name	(4E)-4-(naphthalen-1-ylhydrazinylidene)naphthalen-1-one
Synonyms	4-[1]Naphthylazo-[1]naphthol Solvent Brown 5 4-Hydroxy-[1.1']azonapthalin Naphthalin-(1 azo 4)-napthol-(1) 1-(1-naphthylazo)-4-hydroxynaphthalene [1.1']Azonaphthalinol-(4) EINECS 220-178-5 1-Naphthalenol,4-(1-naphthalenylazo)

Density	1.2g/cm3
Boiling Point	495ºC at 760mmHg
Molecular Formula	C₂₀H₁₄N₂O
Molecular Weight	298.33800
Flash Point	253.2ºC
Exact Mass	298.11100
PSA	44.95000
LogP	6.11400
Vapour Pressure	0mmHg at 25°C
Index of Refraction	1.662

HS Code	2927000090

HS Code	2927000090
Summary	2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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