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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;1-oxo-isochroMan;Einecs 225-179-4;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
Molecular Weight:
148.16
MDL Number:
MFCD00799232
MOL File:
4702-34-5.mol
Last updated:2023-04-23 13:52:06

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

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
FDA UNII 994Y8F08R6

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P304+P340+P312-P305+P351+P338-P332+P313-P337+P313-P362-P403+P233-P405-P501
HS Code  2932990090

3,4-dihydro-1H-2-benzopyran-1-one price More Price(24)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical I0953 1-Isochromanone >98.0%(GC) 4702-34-5 1g $61 2024-03-01 Buy
TCI Chemical I0953 1-Isochromanone >98.0%(GC) 4702-34-5 5g $243 2024-03-01 Buy
TRC I779055 Isochroman-1-one 4702-34-5 10mg $45 2021-12-16 Buy
Oakwood 209012 Isochroman-1-one 95+% 4702-34-5 5g $54 2021-12-16 Buy
SynQuest Laboratories 2H25-1-2D Isochroman-1-one 98% 4702-34-5 25g $288 2021-12-16 Buy
Product number Packaging Price Buy
I0953 1g $61 Buy
I0953 5g $243 Buy
I779055 10mg $45 Buy
209012 5g $54 Buy
2H25-1-2D 25g $288 Buy

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

Global( 94)Suppliers
Supplier Tel Email Country ProdList Advantage
Capot Chemical Co.,Ltd.
571-85586718 +8613336195806 sales@capotchem.com China 29797 60
career henan chemical co
+86-0371-86658258 sales@coreychem.com China 29914 58
Accela ChemBio Inc.
(+1)-858-699-3322 info@accelachem.com United States 19965 58
Chongqing Chemdad Co., Ltd
+86-023-61398051 +8613650506873 sales@chemdad.com China 39916 58
Alchem Pharmtech,Inc.
8485655694 sales@alchempharmtech.com United States 63711 58
Fuxin Pharmaceutical
+86-021-021-50872116 +8613122107989 contact@fuxinpharm.com China 10297 58
Zhengzhou Alfa Chemical Co.,Ltd
+8618530059196 sale04@alfachem.cn China 12333 58
Jinan Qinmu Fine Chemical Co.,Ltd.
+8618660799346 sales@qinmuchem.com China 1009 58
Hubei Ipure Biology Co., Ltd
+8613367258412 ada@ipurechemical.com China 10326 58
Hefei TNJ Chemical Industry Co.,Ltd.
0551-65418671 sales@tnjchem.com China 34572 58

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

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
3,4-dihydro-1H-2-benzopyran-1-one pictures 2021-07-02 3,4-dihydro-1H-2-benzopyran-1-one
4702-34-5
US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd
3,4-dihydro-1H-2-benzopyran-1-one pictures 2019-07-06 3,4-dihydro-1H-2-benzopyran-1-one
4702-34-5
US $1.00 / KG 1KG 99% Customized Career Henan Chemical Co

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

3,4-dihydro-1H-2-benzopyran-1-one 3,4-Dihydroisocoumarin 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> 4-dihydro-1H-2-benzopyran-1-one 1-Isochromanone Isochroman-1-one 4702-34-5 PHENYL