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

16555-98-9

16555-98-9 structure

16555-98-9 structure

Name: 6-Acetyl-7-hydroxy-4-methyl-2H-chromen-2-one
Chemical Name: 6-acetyl-7-hydroxy-4-methylchromen-2-one
CAS Number: 16555-98-9
Molecular Formula: C₁₂H₁₀O₄
Molecular Weight: 218.20500
Create Date: 2018-12-24 17:46:12
Modify Date: 2025-08-25 17:37:46

Name	6-acetyl-7-hydroxy-4-methylchromen-2-one
Synonyms	7-hydroxy-6-acetyl-4-methylcoumarin 6-acetyl-7-hydroxy-4-methylcoumarin 4-methyl-6-acetyl-7-hydroxycoumarin 6-acetyl-7-hydroxy-4-methyl-2H-chromen-2-one 6-acetyl-7-hydroxy-4-methyl-2H-1-benzopyran-2-one Sodium chrominate impurity 3 6-acetyl-7-hydroxy-4-methyl-coumin 2H-1-benzopyran-2-one, 6-acetyl-7-hydroxy-4-methyl 6-acetyl-7-hydroxy-4-methyl-2-chromenone 6-acetyl-7-hydroxy-4-methyl-2H-chromen-2-onea HMS2469O24 6-acetyl-7-hydroxy-4-methyl-chromen-2-one 6-acetyl-7-hydroxy-4-methylbenzopyran-2-one 6-ethanoyl-7-hydroxy-4-methyl-chromen-2-one

Density	1.322g/cm3
Boiling Point	439.8ºC at 760 mmHg
Molecular Formula	C₁₂H₁₀O₄
Molecular Weight	218.20500
Flash Point	176.7ºC
Exact Mass	218.05800
PSA	67.51000
LogP	2.00960
Vapour Pressure	2.39E-08mmHg at 25°C
Index of Refraction	1.598

HS Code	2932209090

Precursor 9
89-84-9 141-97-9 2747-05-9 90-33-5
108-46-3 2163-12-4 108-24-7 51863-60-6
2161-85-5
DownStream 3
1484-73-7 54337-59-6 54107-67-4

HS Code	2932209090
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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