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: Butanamide,2-[2-(4-nitrophenyl)diazenyl]-3-oxo-N-phenyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

1657-16-5

1657-16-5 structure

1657-16-5 structure

Name: Butanamide,2-[2-(4-nitrophenyl)diazenyl]-3-oxo-N-phenyl-
Chemical Name: 2-[(4-nitrophenyl)diazenyl]-3-oxo-N-phenylbutanamide
CAS Number: 1657-16-5
Molecular Formula: C₁₆H₁₄N₄O₄
Molecular Weight: 326.30700
Create Date: 2018-03-21 08:00:00
Modify Date: 2025-08-24 21:30:17

Name	2-[(4-nitrophenyl)diazenyl]-3-oxo-N-phenylbutanamide
Synonyms	Kromon Primrose Yellow Irgalite Yellow 5GL Hansa Yellow 13G Recolite Yellow 5G Eljon Yellow 5G Irgalite Yellow 5G Carnelio Yellow 5G Fast Yellow 11J Pigment Yellow 5G Pigment Yellow 4

Density	1.32g/cm3
Boiling Point	527.6ºC at 760mmHg
Molecular Formula	C₁₆H₁₄N₄O₄
Molecular Weight	326.30700
Flash Point	272.9ºC
Exact Mass	326.10200
PSA	116.71000
LogP	3.87100
Vapour Pressure	3.2E-11mmHg at 25°C
Index of Refraction	1.628

HS Code	2927000090

Precursor 2
100-05-0 102-01-2
DownStream 0

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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