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1H-2-Benzopyran-1-one

Product Name
1H-2-Benzopyran-1-one
CAS No.
491-31-6
Chemical Name
1H-2-Benzopyran-1-one
Synonyms
Isocoumarin;ISOCUMARINE;2,1-benzopyrone;isochromen-1-one;1H-isochromen-1-one;3,4-Dehydro-1-isochromanone
CBNumber
CB7875335
Molecular Formula
C9H6O2
Formula Weight
146.14
MOL File
491-31-6.mol
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1H-2-Benzopyran-1-one Property

Melting point:
47°C
Boiling point:
286°C (estimate)
Density 
1.1674 (rough estimate)
refractive index 
1.5100 (estimate)
LogP
1.994 (est)
EPA Substance Registry System
1H-2-Benzopyran-1-one (491-31-6)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

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

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

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.

P321Specific treatment (see … on this label).

P330Rinse mouth.

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

P362Take off contaminated clothing and wash before reuse.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

American Custom Chemicals Corporation
Product number
CHM0378175
Product name
1H-2-BENZOPYRAN-1-ONE
Purity
95.00%
Packaging
5MG
Price
$501.85
Updated
2021/12/16
Chemenu
Product number
CM286112
Product name
1H-Isochromen-1-one
Purity
97%
Packaging
1g
Price
$636
Updated
2021/12/16
Crysdot
Product number
CD11117189
Product name
1H-Isochromen-1-one
Purity
97%
Packaging
1g
Price
$680
Updated
2021/12/16
Alichem
Product number
491316
Product name
1H-Isochromen-1-one
Packaging
1g
Price
$707.2
Updated
2021/12/16
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1H-2-Benzopyran-1-one Chemical Properties,Usage,Production

Definition

ChEBI: The simplest member of the class of isocoumarins that is 1H-isochromene which is substituted by an oxo group at position 1.

Synthesis Reference(s)

Journal of the American Chemical Society, 106, p. 5274, 1984 DOI: 10.1021/ja00330a041
Journal of Heterocyclic Chemistry, 27, p. 1419, 1990 DOI: 10.1002/jhet.5570270544
Tetrahedron Letters, 25, p. 4459, 1984 DOI: 10.1016/S0040-4039(01)81466-0

1H-2-Benzopyran-1-one Preparation Products And Raw materials

Raw materials

Preparation Products

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1H-2-Benzopyran-1-one Suppliers

Wuhan Chemduro Pharm Tech Co. Ltd.
Tel
18040571231/1402788087
Fax
sales@chemduro.com
Country
China
ProdList
1973
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58
Hangzhou Milestone Pharmtech Co., Ltd.
Tel
0571-82896630 18969958410
Email
sales_hz@milestonepharmtech.com
Country
China
ProdList
4850
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55
Shanghai Changyan Chem & Tech Co., Ltd.
Tel
021-021-20242659 18930833303
Fax
+86 (21) 2024-2659
Email
order@changyanchem.com
Country
China
ProdList
5008
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CASNO Chem Ltd.
Tel
86-13710190520
Fax
-
Email
sales@casnochem.com
Country
China
ProdList
313
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58
Aikon International Limited
Tel
025-66028182 18112977050
Fax
(3)02557626880
Email
cfzhang@aikonchem.com
Country
China
ProdList
15820
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58
Shanghai He Huan Chemical Co., Ltd.
Tel
021-60345187 13917602471
Fax
021-60345187
Email
lzz841106@aliyun.com
Country
China
ProdList
9908
Advantage
58
Cool Pharm, Ltd
Tel
18019463053
Fax
021-50966098
Email
sales@coolpharm.com
Country
China
ProdList
13017
Advantage
58
Shanghai Yihua Chemical Co., Ltd.
Tel
021-6785342
Fax
QQ:2771325243询价
Email
2771325243@qq.com
Country
China
ProdList
271
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58
Shanghai Sunway Pharmaceutical Technology Co.,Ltd.
Tel
021-51816796-820 13611835272
Fax
021-5161 3951
Email
sales2@sunwaypharm.com
Country
China
ProdList
44490
Advantage
58
Bide Pharmatech Ltd.
Tel
400-1647117 15221909166
Email
product02@bidepharm.com
Country
China
ProdList
61720
Advantage
58