CAS 1983-81-9 MFCD00203882-4,7-Dihydroxy-2H-Chromen-2-One 4,7-二羟基-2H-苯并吡喃-2-酮 TAO{mole}

4,7-Dihydroxy-2H-Chromen-2-One 4,7-二羟基-2H-苯并吡喃-2-酮

CAS 1983-81-9 MFCD00203882

化学结构图

SMILES: O=c1cc(O)c2ccc(O)cc2o1

化学属性

Mol. Formula	C9H6O4
Mol. Weight	178.14
Melting Point	275-280 °C
Boiling Point	445.5±45.0 °C at 760 mmHg

别名和识别编码

Chemical Name	4,7-Dihydroxy-2H-Chromen-2-One
Synonym	4,7-Dihydroxy-2H-chromen-2-one {LY} 4,7-Dihydroxy-2H-chromen-2-one {} {LY} 4,7-Dihydroxy-2H-chromen-2-one {} {} {LY} 4,7-Dihydroxy-2H-chromen-2-one {} {} {} {LY} 4,7-Dihydroxy-2H-chromen-2-one {} {} {} {} {LY} 4,7-Dihydroxy-2H-chromen-2-one {} {} {} {} {} {LY} 4,7-Dihydroxy-2H-chromen-2-one {} {} {} {} {} {} {LY} 4,7-Dihydroxy-2H-chromen-2-one {} {} {} {} {} {} {} {LY} 4,7-Dihydroxy-2H-chromen-2-one {} {} {} {} {} {} {} {} {LY} 4,7-Dihydroxy-2H-chromen-2-one {} {} {} {} {} {} {} {} {} {LY} 4,7-Dihydroxy-2H-chromen-2-one {} {} {} {} {} {} {} {} {} {} {LY} 4,7-Dihydroxy-2H-chromen-2-one {} {} {} {} {} {} {} {} {} {} {} {LY} 4,7-Dihydroxy-2H-chromen-2-one {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 4,7-Dihydroxy-2H-chromen-2-one {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 4,7-Dihydroxy-2H-chromen-2-one {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 4,7-Dihydroxy-2H-chromen-2-one {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 4,7-
MDL Number	MFCD00203882
Chemical Name Translation	4,7-二羟基-2H-苯并吡喃-2-酮
InChIKey	CYSRKZFPSNZSCS-UHFFFAOYSA-N
PubChem Substance ID	354335593
Reaxys-RN	154577
LabNetwork Molecule ID	LN00342150
InChI	InChI=1S/C9H6O4/c10-5-1-2-6-7(11)4-9(12)13-8(6)3-5/h1-4,10-11H
CAS Number	1983-81-9
Canonical SMILES	O=C1C=C(O)C2=CC=C(O)C=C2O1

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安全信息

Safety Statements

S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后，立即用大量水冲洗并征求医生意见；

Hazard Codes Xi

GHS Symbol

WGK Germany3

Precautionary statements

P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
P302+P352+P332+P313+P362+P364
P305+P351+P338
P305+P351+P338+P337+P313

Hazard statements

H302 Harmful if swallowed 吞食有害
H315 Causes skin irritation 会刺激皮肤
H319 Causes serious eye irritation 严重刺激眼睛

Signal word Warning

Risk Statements

R36 Irritating to eyes 刺激眼睛
R22 Harmful if swallowed 吞咽有害

Storage condition 2-8°C, stored under nitrogen {LY} 2-8°C, stored under nitrogen {} {LY} 2-8°C, stored under nitrogen {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C, stored under nitro