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: 1(3H)-Isobenzofuranone,3,3-dimethyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

1689-09-4

1689-09-4 structure

1689-09-4 structure

Name: 1(3H)-Isobenzofuranone,3,3-dimethyl-
Chemical Name: 3,3-dimethyl-2-benzofuran-1-one
CAS Number: 1689-09-4
Molecular Formula: C₁₀H₁₀O₂
Molecular Weight: 162.18500
Create Date: 2018-11-24 18:03:18
Modify Date: 2025-08-25 17:30:26

Name	3,3-dimethyl-2-benzofuran-1-one
Synonyms	3,3-Dimethylphthalide 3,3-dimethyl-1,3-dihydro-1-isobenzofuranone 3,3-dimethyl-3-hydroisobenzofuran-1-one dimethylphthalide 3,3-dimethyl-1,3-dihydroisobenzofuran-1-one

Density	1.122g/cm3
Boiling Point	291.1ºC at 760mmHg
Melting Point	69-70ºC
Molecular Formula	C₁₀H₁₀O₂
Molecular Weight	162.18500
Flash Point	117.8ºC
Exact Mass	162.06800
PSA	26.30000
LogP	2.09210
Vapour Pressure	0.00199mmHg at 25°C
Index of Refraction	1.533

HS Code	2932209090

Precursor 10
201230-82-2 69352-05-2 88-65-3 55549-01-4
3158-74-5 85-44-9 75-16-1 124-38-9
67-64-1 92-85-3
DownStream 5
5447-86-9 21190-34-1 2438-04-2 3609-46-9
55548-97-5

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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