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

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Isochroman-1-one
Price: ￥368.0/1g ￥568.0/5g
Purity: 97.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

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

4702-34-5

4702-34-5 structure

4702-34-5 structure

Name: Isochroman-1-one
Chemical Name: 3,4-dihydroisocoumarin
CAS Number: 4702-34-5
Molecular Formula: C₉H₈O₂
Molecular Weight: 148.159
Create Date: 2018-09-16 18:03:27
Modify Date: 2025-08-27 16:26:27

Name	3,4-dihydroisocoumarin
Synonyms	1-Isochromanone 3,4-Dihydro-1H-isochromen-1-one IsochroMan-1-one Isochromanone 3,4-dihydroisochromen-1-one 3,4-Dihydro-1H-2-benzopyran-1-one Dihydroisocoumarin 1H-2-Benzopyran-1-one, 3,4-dihydro-

Density	1.2±0.1 g/cm3
Boiling Point	320.8±31.0 °C at 760 mmHg
Molecular Formula	C₉H₈O₂
Molecular Weight	148.159
Flash Point	132.1±22.2 °C
Exact Mass	148.052429
PSA	26.30000
LogP	1.33
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.562

Hazard Codes	Xi
HS Code	2932209090

Precursor 10
6346-00-5 493-05-0 201230-82-2 1074-16-4
75-91-2 1034621-96-9 107-06-2 65-85-0
612-19-1 492-37-5
DownStream 10
4254-29-9 493-05-0 25109-86-8 6729-50-6
101531-22-0 19819-98-8 125593-32-0 27326-43-8
51908-28-2 65787-71-5

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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