Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2H-1-Benzopyran-2-one,4,7-dimethyl-
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2H-1-Benzopyran-2-one,4,7-dimethyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 2H-1-Benzopyran-2-one,4,7-dimethyl-
Price: ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/5g
Purity: 95.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

14002-90-5

14002-90-5 structure

14002-90-5 structure

Name: 2H-1-Benzopyran-2-one,4,7-dimethyl-
Chemical Name: 4,7-dimethylchromen-2-one
CAS Number: 14002-90-5
Molecular Formula: C₁₁H₁₀O₂
Molecular Weight: 174.19600
Create Date: 2018-07-18 09:52:08
Modify Date: 2025-08-24 21:57:17

Name	4,7-dimethylchromen-2-one
Synonyms	4,7-dimethyl-coumarin 4,7-dimethyl-chromen-2-one 4,7-Dimethyl-cumarin 7,4-dimethylcoumarin 4,7-dimethyl-2H-chromen-2-one

Density	1.15g/cm3
Boiling Point	314.3ºC at 760mmHg
Molecular Formula	C₁₁H₁₀O₂
Molecular Weight	174.19600
Flash Point	129ºC
Exact Mass	174.06800
PSA	30.21000
LogP	2.40980
Vapour Pressure	0.00047mmHg at 25°C
Index of Refraction	1.564

Hazard Codes	Xi
Risk Phrases	R22
Safety Phrases	45-53-99
HS Code	2932209090

Precursor 10
141-97-9 108-39-4 18612-99-2 201230-82-2
5394-63-8 105-45-3 6921-64-8 77-92-9
112230-99-6 100-84-5
DownStream 10
50-85-1 18782-15-5 89-83-8 18612-99-2
122-46-3 61955-73-5 35633-35-3 84105-43-1
437650-87-8 53878-05-0

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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