ChemicalBook >> CAS DataBase List >>1H-2-Benzopyran-1-one
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
- Molecular Weight:
- 146.14
- MDL Number:
- MFCD08061387
- MOL File:
- 491-31-6.mol
- MSDS File:
- SDS
Last updated:2023-05-25 18:01:18
| Melting point | 47°C |
|---|---|
| Boiling point | 286°C (estimate) |
| Density | 1.1674 (rough estimate) |
| refractive index | 1.5100 (estimate) |
| LogP | 1.994 (est) |
| FDA UNII | SR89982S3E |
| EPA Substance Registry System | 1H-2-Benzopyran-1-one (491-31-6) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H319-H315-H302-H335 |
| Precautionary statements | P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P-P264-P270-P301+P312-P330-P501 |
1H-2-Benzopyran-1-one price
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| American Custom Chemicals Corporation | CHM0378175 | 1H-2-BENZOPYRAN-1-ONE 95.00% | 491-31-6 | 5MG | $501.85 | 2021-12-16 | Buy |
| Chemenu | CM286112 | 1H-Isochromen-1-one 97% | 491-31-6 | 1g | $636 | 2021-12-16 | Buy |
| Crysdot | CD11117189 | 1H-Isochromen-1-one 97% | 491-31-6 | 1g | $680 | 2021-12-16 | Buy |
| Alichem | 491316 | 1H-Isochromen-1-one | 491-31-6 | 1g | $707.2 | 2021-12-16 | Buy |
1H-2-Benzopyran-1-one Chemical Properties,Uses,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
Global( 19)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| ShenZhen Trendseen Biological Technology Co.,Ltd. | 13417589054 | trendseenbio@gmail.com | China | 11681 | 58 |
| Jilin Chinese Academy of Sciences-yanshen Technology | +undefined18143011203 | info@chemextension.com | China | 42056 | 58 |
| Wuhan Chemduro Pharm Tech Co. Ltd. | 18040571231/1402788087 | China | 1973 | 58 | |
| Hangzhou Milestone Pharmtech Co., Ltd. | 0571-82896630 18969958410 | sales_hz@milestonepharmtech.com | China | 4850 | 55 |
| Shanghai Changyan Chem & Tech Co., Ltd. | 021-20242659 18930833303 | Sales@changyanchem.cn | China | 5010 | 55 |
| CASNO Chem Ltd. | 86-13710190520 | sales@casnochem.com | China | 313 | 58 |
| Aikon International Limited | 025-66028182 18112977050 | cfzhang@aikonchem.com | China | 15818 | 58 |
| Shanghai He Huan Chemical Co., Ltd. | 021-60345187 13917602471 | lzz841106@aliyun.com | China | 9897 | 58 |
| Cool Pharm, Ltd | 18019463053 | sales@coolpharm.com | China | 13010 | 58 |
| Chengdu Alfa Biotechnology Co.,Ltd. | 028-028-85142057 19983342022 | 3005359975@qq.com | China | 1995 | 58 |
491-31-6(1H-2-Benzopyran-1-one)Related Search:
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ISOCUMARINE
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Isocoumarin
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491-31-6
C6H4CHCHCOO