ChemicalBook > CAS DataBase List > 3,4-Dihydro-(1H)-benzopyrane

3,4-Dihydro-(1H)-benzopyrane

Product Name
3,4-Dihydro-(1H)-benzopyrane
CAS No.
493-08-3
Chemical Name
3,4-Dihydro-(1H)-benzopyrane
Synonyms
Chromane;3,4-dihydro-2H-chromene;2H-1-Benzopyran, 3,4-dihydro-;Benzoxan;Dihydrobenzo[b]pyran;3，4-Dihydro-1-benzopyran;3,4-Dihydro-1H-benzopyran;3,4-Dihydro-2H-1-benzopyran;3,4-Dihydro-(1H)-benzopyrane
CBNumber
CB71075606
Molecular Formula
C9H10O
Formula Weight
134.18
MOL File
493-08-3.mol
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3,4-Dihydro-(1H)-benzopyrane Property

Melting point:
4.8°C
Boiling point:
215°C (estimate)
Density 
1.0720
refractive index 
1.5444
storage temp. 
2-8°C
solubility 
Chloroform (Sparingly), Methanol (Slightly)
form 
liquid
color 
Colourless to light 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

H226Flammable liquid and vapour

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

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N-Bromosuccinimide Price

TCI Chemical
Product number
D6267
Product name
Chromane
Purity
min. 95.0 %
Packaging
200MG
Price
$174
Updated
2025/07/31
TCI Chemical
Product number
D6267
Product name
Chromane
Purity
min. 95.0 %
Packaging
1G
Price
$522
Updated
2025/07/31
TRC
Product number
D452083
Product name
3,4-Dihydro-2H-1-benzopyran
Packaging
50mg
Price
$45
Updated
2021/12/16
Biosynth Carbosynth
Product number
FC133362
Product name
Chromane
Packaging
500mg
Price
$75
Updated
2021/12/16
Matrix Scientific
Product number
157412
Product name
Chromane
Packaging
0.500g
Price
$120
Updated
2021/12/16
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3,4-Dihydro-(1H)-benzopyrane Chemical Properties,Usage,Production

Definition

ChEBI: A benzopyran consisting of a pyran ring having a benzene ring ortho-fused across positions 2 and 3.

Synthesis Reference(s)

The Journal of Organic Chemistry, 46, p. 1384, 1981 DOI: 10.1021/jo00320a032

3,4-Dihydro-(1H)-benzopyrane Preparation Products And Raw materials

Raw materials

Preparation Products

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3,4-Dihydro-(1H)-benzopyrane Suppliers

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View Lastest Price from 3,4-Dihydro-(1H)-benzopyrane manufacturers

Shaanxi Dideu Medichem Co. Ltd
Product
3,4-Dihydro-(1H)-benzopyrane 493-08-3
Price
US $30.00-20.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
2000KG
Release date
2024-07-15
Shanghai Rlavie Technology Co ltd
Product
3,4-Dihydro-(1H)-benzopyrane 493-08-3
Price
US $0.00/KG
Min. Order
0.0001KG
Purity
98%min
Supply Ability
100kgs/month
Release date
2022-05-10

493-08-3, 3,4-Dihydro-(1H)-benzopyraneRelated Search:

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  • Chromane
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  • Dihydrobenzo[b]pyran
  • 3,4-dihydro-2H-chromene
  • 2H-1-Benzopyran, 3,4-dihydro-
  • 3,4-Dihydro-1H-benzopyran
  • 3,4-Dihydro-(1H)-benzopyrane
  • Benzoxan
  • 3，4-Dihydro-1-benzopyran
  • 493-08-3