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
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
Safety
- HS Code
- 2932990090
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..…
N-Bromosuccinimide Price
- Product number
- I0953
- Product name
- 1-Isochromanone
- Purity
- >98.0%(GC)
- Packaging
- 1g
- Price
- $61
- Updated
- 2024/03/01
- Product number
- I0953
- Product name
- 1-Isochromanone
- Purity
- >98.0%(GC)
- Packaging
- 5g
- Price
- $243
- Updated
- 2024/03/01
- Product number
- I779055
- Product name
- Isochroman-1-one
- Packaging
- 10mg
- Price
- $45
- Updated
- 2021/12/16
- Product number
- 209012
- Product name
- Isochroman-1-one
- Purity
- 95+%
- Packaging
- 5g
- Price
- $54
- Updated
- 2021/12/16
- Product number
- 2H25-1-2D
- Product name
- Isochroman-1-one
- Purity
- 98%
- Packaging
- 1g
- Price
- $29
- Updated
- 2021/12/16
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
3,4-dihydro-1H-2-benzopyran-1-one Suppliers
- Tel
- --
- Fax
- --
- chemos@chemos.de
- Country
- Germany
- ProdList
- 6727
- Advantage
- 58
View Lastest Price from 3,4-dihydro-1H-2-benzopyran-1-one manufacturers
- 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
- 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
- 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