Cas no 496-16-2 (Coumaran)

Coumaran structure
Coumaran structure
Product Name:Coumaran
CAS No:496-16-2
MF:C8H8O
MW:120.148522377014
MDL:MFCD00005855
CID:37780
PubChem ID:10329
Update Time:2025-04-18

Coumaran Chemical and Physical Properties

Names and Identifiers

    • 2,3-Dihydrobenzo[b]furan
    • Coumaran~2,3-Dihydro-2,3-benzofuran
    • Coumaran
    • 2,3-Dihydrobenzofuran
    • 2,3-dihydro-1-benzofuran
    • Benzofuran, 2,3-dihydro-
    • Dihydrobenzofuran
    • Kumaran
    • Dihydrocoumarone
    • 2,3-Dihydro-benzofuran
    • 2,3-dihydrobenzofurane
    • benzoxolane
    • dihydrobenzfuran
    • HBEDSQVIWPRPAY-UHFFFAOYSA-N
    • cumaran
    • 99E861415L
    • 2,3-dihydrobenzo(b)furan
    • zlchem 550
    • PubChem6931
    • 1,2-dihydrobenzofuran
    • 2,3-dihydro-benzofura
    • 2,3-di-hydrobenzofuran
    • DTXSID2022040
    • 496-16-2
    • SY003884
    • FT-0609657
    • CHEBI:87607
    • 2,3-Dihydrobenzofuran, purum, >=97.0% (GC)
    • SCHEMBL155424
    • InChI=1/C8H8O/c1-2-4-8-7(3-1)5-6-9-8/h1-4H,5-6H
    • D1583
    • CHEMBL370688
    • F0001-1291
    • CS-M0160
    • Q-100558
    • STR03933
    • UNII-99E861415L
    • MFCD00005855
    • EINECS 207-817-3
    • NS00031919
    • SCHEMBL33192
    • EN300-21620
    • Z104505448
    • PS-4599
    • Q27159770
    • COUMARAN [MI]
    • BDBM50168006
    • AC-7075
    • Coumaran (2,3-dihydrobenzofuran)
    • AKOS000121274
    • A23762
    • 2,3-Dihydro-1-benzofuran #
    • HY-75247
    • F10902
    • 2,3-Dihydrobenzofuran, 99%
    • DB-346445
    • Coumaran; 2,3-Dihydrobenzo[b]furan
    • DB-019755
    • FD11170
    • 207-817-3
    • DTXCID402040
    • MDL： MFCD00005855
    • Inchi： 1S/C8H8O/c1-2-4-8-7(3-1)5-6-9-8/h1-4H,5-6H2
    • InChI Key： HBEDSQVIWPRPAY-UHFFFAOYSA-N
    • SMILES： O1C2C=CC=CC=2CC1
    • BRN： 111928

Computed Properties

  • Exact Mass: 120.05800
  • Monoisotopic Mass: 120.057514874g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 1
  • Heavy Atom Count: 9
  • Rotatable Bond Count: 0
  • Complexity: 101
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: 2.1
  • Topological Polar Surface Area: 9.2

Experimental Properties

  • Color/Form: Light yellow oily liquid
  • Density: 1.065?g/mL?at 25?°C(lit.)
  • Melting Point: -21°C
  • Boiling Point: 189°C
  • Flash Point: Degrees Fahrenheit:152.6°F
    Degrees Celsius:67°C
  • Refractive Index: n20/D 1.549(lit.)
  • Solubility: alcohol: soluble
  • PSA: 9.23000
  • LogP: 1.62150
  • Merck: 2559
  • Solubility: Slightly soluble in water, soluble in ethanol, ether, chloroform and carbon disulfide.

Coumaran Security Information

Coumaran Customs Data

  • HS CODE：2932999099
  • Customs Data：

    China Customs Code:

    2932999099

    Overview:

    2932999099. Other heterocyclic compounds containing only oxygen heteroatoms. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to

    Summary:

    2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Coumaran Pricemore >>

Related Categories No. Product Name Cas No. Purity Specification Price update time Inquiry
Alichem
A019092929-500g
2,3-Dihydrobenzo[b]furan
 496-16-2 98%
500g
 $208.55 2023-09-01
Alichem
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 496-16-2 98%
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NAN JING HUA XUE SHI JI GU FEN Co., Ltd.
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 ￥ 170.6 2021-05-18
NAN JING HUA XUE SHI JI GU FEN Co., Ltd.
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 496-16-2 98%（GC）
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 ￥ 423.5 2021-05-18
YAN FENG KE JI （ BEI JING ） Co., Ltd.
H84506-5g
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 496-16-2 97%
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 ￥120 2023-09-19
YAN FENG KE JI （ BEI JING ） Co., Ltd.
H84506-25g
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 496-16-2 97%
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 ￥220 2023-09-19
YAN FENG KE JI （ BEI JING ） Co., Ltd.
H84506-100g
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 ￥440 2023-09-19
Chemenu
CM157822-500g
2,3-Dihydrobenzo[b]furan
 496-16-2 98%
500g
 $201 2021-06-08
Chemenu
CM157822-1000g
2,3-Dihydrobenzo[b]furan
 496-16-2 98%
1000g
 $327 2021-06-08
ChemScence
CS-M0160-100g
Coumaran
 496-16-2 99.69%
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 $54.0 2022-04-27

Coumaran Production Method

Production Method 1

Reaction Conditions
1.1 Catalysts: Choline chloride ,  Imidazole ;  150 °C
Reference
Insights into alkaline choline chloride-based deep eutectic solvents pretreatment for Populus deltoides: Lignin structural features and modification mechanism
Li, Haichao; et al, International Journal of Biological Macromolecules, 2021, 193, 319-327

Production Method 2

Reaction Conditions
1.1 250 h
Reference
Catalytic pyrolysis of lignin over hierarchical HZSM 5 zeolites prepared by post-treatment with alkaline solutions
Tang, Songshan; et al, Journal of Analytical and Applied Pyrolysis, 2019, 137, 86-95

Coumaran Raw materials

Coumaran Preparation Products

Coumaran Suppliers

Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:496-16-2)2,3-Dihydrobenzofuran
Order Number:LE14267;LE5716515
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 12:10
Price ($):discuss personally
Amadis Chemical Company Limited
Gold Member
Audited Supplier Audited Supplier
(CAS:496-16-2)Coumaran
Order Number:A23762
Stock Status:in Stock
Quantity:500g
Purity:99%
Pricing Information Last Updated:Monday, 2 September 2024 16:02
Price ($):178.0
Suzhou Senfeida Chemical Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:496-16-2)2,3-Dihydrobenzofuran
Order Number:sfd14123
Stock Status:in Stock
Quantity:200kg
Purity:99.9%
Pricing Information Last Updated:Friday, 19 July 2024 14:36
Price ($):discuss personally

Coumaran Related Literature

Related Categories

496-16-2 (Coumaran) Related Products

Recommended suppliers
Tiancheng Chemical (Jiangsu) Co., Ltd
(CAS:496-16-2)2,3-Dihydrobenzofuran
LE14267;LE5716515
Purity:99%/99%
Quantity:25KG,200KG,1000KG/25KG,200KG,1000KG
Price ($):Inquiry/Inquiry
Email
Amadis Chemical Company Limited
(CAS:496-16-2)Coumaran
A23762
Purity:99%
Quantity:500g
Price ($):178.0
Email