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7-Hydroxy-4-Methyl-2H-naphtho(1,2-B)pyran-2-one

7-Hydroxy-4-Methyl-2H-naphtho(1,2-B)pyran-2-one Structure
7-Hydroxy-4-Methyl-2H-naphtho(1,2-B)pyran-2-one structure
CAS No.
21353-16-2
Chemical Name:
7-Hydroxy-4-Methyl-2H-naphtho(1,2-B)pyran-2-one
Synonyms
4-methyl-7-hydroxy-8-nitrocoumarin;7-Hydroxy-4-Methyl-2H-naphtho(1,2-B)pyran-2-one;2H-Naphtho[1,2-b]pyran-2-one, 7-hydroxy-4-methyl-
CBNumber:
CB22658302
Molecular Formula:
C14H10O3
Molecular Weight:
226.23
MDL Number:
MFCD01837099
MOL File:
21353-16-2.mol
MSDS File:
SDS
Last updated:2023-05-04 15:13:27
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7-Hydroxy-4-Methyl-2H-naphtho(1,2-B)pyran-2-one Properties

Melting point 302-303 °C
Boiling point 472.1±30.0 °C(Predicted)
Density 1.349±0.06 g/cm3(Predicted)
pka 9.10±0.20(Predicted)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H319-H302
Precautionary statements  P264-P270-P301+P312-P330-P501-P264-P280-P305+P351+P338-P337+P313P

7-Hydroxy-4-Methyl-2H-naphtho(1,2-B)pyran-2-one price More Price(2)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich S628379 7-HYDROXY-4-METHYL-2H-NAPHTHO(1,2-B)PYRAN-2-ONE Aldrich 21353-16-2 250mg $29.8 2024-03-01 Buy
American Custom Chemicals Corporation CHM0982286 7-HYDROXY-4-METHYL-2H-NAPHTHO(1,2-B)PYRAN-2-ONE 95.00% 21353-16-2 5MG $503.88 2021-12-16 Buy
Product number Packaging Price Buy
S628379 250mg $29.8 Buy
CHM0982286 5MG $503.88 Buy

7-Hydroxy-4-Methyl-2H-naphtho(1,2-B)pyran-2-one Preparation Products And Raw materials

Raw materials

Preparation Products

7-Hydroxy-4-Methyl-2H-naphtho(1,2-B)pyran-2-one Suppliers

Global( 8)Suppliers
Supplier Tel Email Country ProdList Advantage
Jiangxi Lotchem Co.,Ltd. 		+8615270827708 lancetu@jxlotchem.com CHINA 338 58
Career Henan Chemica Co 		+86-0371-86658258 15093356674; laboratory@coreychem.com China 30255 58
Tianjin heowns Biochemical Technology Co., Ltd. 400 638 7771 sales@heowns.com China 14443 57
Zhengzhou Huiju Chemical Co., Ltd. 0371-55900031 18137872243 2853979815@qq.com China 10014 55
Tianjin heowns Biochemical Technology Co., Ltd. 400-6387771-6038 18902104717 sales@heowns.com China 20512 60
Jiangxi Lotchem Co., Ltd. 0791-85061535 15270827708 lancetu@jxlotchem.com China 303 58
TCI (Shanghai) Chemical Trading Co., Ltd. 021-61109150 sales@tcisct.com China 31163 58
Supplier Advantage
Jiangxi Lotchem Co.,Ltd. 		58
Career Henan Chemica Co 		58
Tianjin heowns Biochemical Technology Co., Ltd. 57
Zhengzhou Huiju Chemical Co., Ltd. 55
Tianjin heowns Biochemical Technology Co., Ltd. 60
Jiangxi Lotchem Co., Ltd. 58
TCI (Shanghai) Chemical Trading Co., Ltd. 58
7-Hydroxy-4-Methyl-2H-naphtho(1,2-B)pyran-2-one 4-methyl-7-hydroxy-8-nitrocoumarin 2H-Naphtho[1,2-b]pyran-2-one, 7-hydroxy-4-methyl- 21353-16-2