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: 2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

4645-07-2

4645-07-2 structure

4645-07-2 structure

Name: 2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one
Chemical Name: 2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one
CAS Number: 4645-07-2
Molecular Formula: C₁₇H₁₆N₄O₂
Molecular Weight: 308.33500
Create Date: 2018-11-28 08:47:14
Modify Date: 2025-08-30 13:24:13

Name	2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one
Synonyms	Solvent Yellow 72 1-phenyl-3-methyl-4-(2-methoxybenzeneazo)-5-pyrazolone 1-Phenyl-3-methyl-4-<2-methoxy-benzolazo>-5-pyrazolon 4-[(2-Methoxyphenyl)azo]-5-methyl-2-phenyl-2H-pyrazol-3(4H)-one 5-methyl-2-phenyl-2H-pyrazole-3,4-dione 4-[(2-methoxy-phenyl)-hydrazone]

Density	1.24
Boiling Point	505.3ºC at 760 mmHg
Melting Point	166-167ºC
Molecular Formula	C₁₇H₁₆N₄O₂
Molecular Weight	308.33500
Flash Point	259.4ºC
Exact Mass	308.12700
PSA	66.62000
LogP	3.07080
Index of Refraction	1.63

HS Code	2933199090

HS Code	2933199090
Summary	2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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