3,4-dihydro-1H-2-benzopyran-1-one

Product Name: 3,4-dihydro-1H-2-benzopyran-1-one
CAS No.: 4702-34-5
Chemical Name: 3,4-dihydro-1H-2-benzopyran-1-one
Synonyms: Isochroman-1-one;1-Isochromanone;1-Isochromanon;Einecs 225-179-4;1-oxo-isochroMan;1-Isochromanone>3,4-Dihydroisocoumarin;3,4-dihydroisochroMen-1-one;4-dihydro-1H-2-benzopyran-1-one;3,4-dihydro-1H-2-benzopyran-1-one
CBNumber: CB4906430
Molecular Formula: C9H8O2
Formula Weight: 148.16
MOL File: 4702-34-5.mol

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3,4-dihydro-1H-2-benzopyran-1-one Property

Melting point:: 37-39 °C
Boiling point:: 160°C/11mmHg(lit.)
Density: 1.2030
refractive index: 1.5640 to 1.5680
storage temp.: Sealed in dry,Room Temperature
form: clear liquid
color: Colorless to Light orange to Yellow

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Safety

HS Code: 2932990090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

TCI Chemical

Product number: I0953
Product name: 1-Isochromanone
Purity: >98.0%(GC)
Packaging: 1g
Price: $61
Updated: 2024/03/01

TCI Chemical

Product number: I0953
Product name: 1-Isochromanone
Purity: >98.0%(GC)
Packaging: 5g
Price: $243
Updated: 2024/03/01

TRC

Product number: I779055
Product name: Isochroman-1-one
Packaging: 10mg
Price: $45
Updated: 2021/12/16

Oakwood

Product number: 209012
Product name: Isochroman-1-one
Purity: 95+%
Packaging: 250mg
Price: $10
Updated: 2021/12/16

Oakwood

Product number: 209012
Product name: Isochroman-1-one
Purity: 95+%
Packaging: 1g
Price: $19
Updated: 2021/12/16

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3,4-dihydro-1H-2-benzopyran-1-one Chemical Properties,Usage,Production

Definition

ChEBI: The simplest member of the class of dihydroisocoumarins that is the 3,4-dihydro derivative of isocoumarin.

Synthesis Reference(s)

Journal of the American Chemical Society, 79, p. 3165, 1957 DOI: 10.1021/ja01569a047
Tetrahedron Letters, 37, p. 4179, 1996 DOI: 10.1016/0040-4039(96)00789-7

3,4-dihydro-1H-2-benzopyran-1-one Preparation Products And Raw materials

Raw materials

Preparation Products

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3,4-dihydro-1H-2-benzopyran-1-one Suppliers

Americas 1 China 81 Europe 2 Germany 1 India 2 Japan 1 Switzerland 1 United States 10 Global 99

chemdawn (Wuhan) Biotechnology Co., Ltd

Tel: 18086025538
Email: 1912243137@qq.com
Country: China
ProdList: 178
Advantage: 58

TCI (Shanghai) Development Co., Ltd.

Tel: 021-67121386
Fax: 021-67121385
Email: Sales-CN@TCIchemicals.com
Country: China
ProdList: 24529
Advantage: 81

Energy Chemical

Tel: 021-021-58432009 400-005-6266
Fax: 021-58436166
Email: sales8178@energy-chemical.com
Country: China
ProdList: 44689
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JinYan Chemicals(ShangHai) Co.,Ltd.

Tel: 13817811078
Fax: 86-021-50426522,50426273
Email: sales@jingyan-chemical.com
Country: China
ProdList: 9976
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Accela ChemBio Co.,Ltd.

Tel: 021-50795510 4000665055
Fax: 021-50795055
Email: sales@accelachem.com
Country: China
ProdList: 11655
Advantage: 64

Nanjing Chemlin Chemical Co., Ltd

Tel: 025-83697070
Fax: +86-25-83453306
Email: info@chemlin.com.cn
Country: China
ProdList: 19172
Advantage: 64

Shanghai Hanhong Scientific Co.,Ltd.

Tel: 021-54306202 13764082696
Email: info@hanhongsci.com
Country: China
ProdList: 42958
Advantage: 64

Hangzhou Yuhao Chemical Technology Co., Ltd

Tel: 0571-82693216
Fax: +86-571-82880190
Email: info@yuhaochemical.com
Country: China
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Advantage: 52

Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.

Tel: 025-66099280 17798518460
Fax: (1)02557626880
Email: cfzhang@aikonchem.com
Country: China
ProdList: 19915
Advantage: 55

TOKYO CHEMICAL INDUSTRY CO., LTD.

Tel: 03-36680489
Fax: 03-3668-0520
Email: Sales-JP@TCIchemicals.com
Country: Japan
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Advantage: 80

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View Lastest Price from 3,4-dihydro-1H-2-benzopyran-1-one manufacturers

Shenzhen Nexconn Pharmatechs Ltd

Product: Isochroman-1-one 4702-34-5
Price: US $1.00-2.00/kg
Min. Order: 0.1kg
Purity: 97%
Supply Ability: 500kg
Release date: 2024-04-18

Shaanxi Dideu Medichem Co. Ltd

Product: Isochroman-1-one 4702-34-5
Price: US $1.00-1.50/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 100000KG
Release date: 2024-08-08

Zhuozhou Wenxi import and Export Co., Ltd

Product: 3,4-dihydro-1H-2-benzopyran-1-one 4702-34-5
Price: US $15.00-10.00/KG
Min. Order: 1KG
Purity: 99%+ HPLC
Supply Ability: Monthly supply of 1 ton
Release date: 2021-06-27

4702-34-5, 3,4-dihydro-1H-2-benzopyran-1-oneRelated Search:

Bengenin HOMOPHTHALIC ANHYDRIDE OCHRATOXIN B Isochroman OCHRATOXIN A (+)-PHYLLODULCIN ALTENUENE UNGERINE NITRATE HIPPEASTRINE HYDROBROMIDE AURORA KA-3195 4-[2-(3,5-DICHLOROPHENYL)HYDRAZONO]-3,4-DIHYDRO-1H-BENZO[C]PYRAN-1,3-DIONE 1H-2-BENZOPYRAN-1,3,4-TRIONE 4-[N-(4-METHOXYPHENYL)HYDRAZONE] 1H-ISOCHROMENE-1,3,4-TRIONE 4-[N-(4-FLUOROPHENYL)HYDRAZONE] 4-[(E)-3-PHENYL-PROP-2-EN-(E)-YLIDENE]-ISOCHROMAN-1,3-DIONE 1H-ISOCHROMENE-1,3,4-TRIONE 4-(N-[3-(TRIFLUOROMETHYL)PHENYL]HYDRAZONE) 1H-ISOCHROMENE-1,3,4-TRIONE 4-[N-(2,4-DICHLOROPHENYL)HYDRAZONE] 1H-ISOCHROMENE-1,3,4-TRIONE 4-(N-PHENYLHYDRAZONE) 3-PHENYL-3,4-DIHYDROISOCOUMARIN

3,4-dihydro-1H-2-benzopyran-1-one

1-Isochromanone

3,4-Dihydroisocoumarin

Isochroman-1-one

1H-2-Benzopyran-1-one,3,4-dihydro-(9CI)

Einecs 225-179-4

3,4-dihydroisochroMen-1-one

1-oxo-isochroMan

1H-2-Benzopyran-1-one,3,4-dihydro-

isochroman-1-one: 3,4-dihydro-1H-2-benzopyran-1-one

1-Isochromanon

1-Isochromanone&gt

4-dihydro-1H-2-benzopyran-1-one

4702-34-5

PHENYL