Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3-methoxy-3H-isobenzofuran-1-one
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-methoxy-3H-isobenzofuran-1-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

4122-57-0

4122-57-0 structure

4122-57-0 structure

Name: 3-methoxy-3H-isobenzofuran-1-one
Chemical Name: 3-Methoxy-1(3H)-Isobenzofuranone
CAS Number: 4122-57-0
Molecular Formula: C₉H₈O₃
Molecular Weight: 164.15800
Create Date: 2018-08-13 12:47:23
Modify Date: 2025-08-25 02:26:56

Name	3-Methoxy-1(3H)-Isobenzofuranone
Synonyms	3-methoxy-3H-2-benzofuran-1-one 3-Methoxyphthalide 3-Methoxyisobenzofuran-1(3H)-one 3-Methoxy-1(3H)-isobenzofuranone

Density	1.25g/cm3
Boiling Point	146ºC / 12mmHg
Melting Point	45ºC
Molecular Formula	C₉H₈O₃
Molecular Weight	164.15800
Flash Point	119.5ºC
Exact Mass	164.04700
PSA	35.53000
LogP	1.50200
Index of Refraction	1.559

Hazard Codes	Xi
HS Code	2932209090

Precursor 10
67-56-1 119-67-5 4122-56-9 557-20-0
201230-82-2 6630-33-7 91-20-3 857006-58-7
89-71-4 6295-21-2
DownStream 3
4122-56-9 62422-95-1 6306-97-4

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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