CAS 2747-05-9 MFCD00006865-4-Methyl-2-oxo-2H-chromen-7-yl acetate 7-乙酰氧基-4-甲基香豆素 TAO{mole}

4-Methyl-2-oxo-2H-chromen-7-yl acetate 7-乙酰氧基-4-甲基香豆素

CAS 2747-05-9 MFCD00006865

化学结构图

SMILES: CC(=O)Oc1cc2oc(=O)cc(C)c2cc1

化学属性

Mol. Formula	C12H10O4
Mol. Weight	218.21
Melting Point	151.0 to 154.0 deg-C
TSCA	No

别名和识别编码

Chemical Name	4-Methyl-2-oxo-2H-chromen-7-yl acetate
Synonym	7-Acetoxy-4-methylcoumarin {LY} 7-Acetoxy-4-methylcoumarin {} {LY} 7-Acetoxy-4-methylcoumarin {} {} {LY} 7-Acetoxy-4-methylcoumarin {} {} {} {LY} 7-Acetoxy-4-methylcoumarin {} {} {} {} {LY} 7-Acetoxy-4-methylcoumarin {} {} {} {} {} {LY} 7-Acetoxy-4-methylcoumarin {} {} {} {} {} {} {LY} 7-Acetoxy-4-methylcoumarin {} {} {} {} {} {} {} {LY} 7-Acetoxy-4-methylcoumarin {} {} {} {} {} {} {} {} {LY} 7-Acetoxy-4-methylcoumarin {} {} {} {} {} {} {} {} {} {LY} 7-Acetoxy-4-methylcoumarin {} {} {} {} {} {} {} {} {} {} {LY} 7-Acetoxy-4-methylcoumarin {} {} {} {} {} {} {} {} {} {} {} {LY} 7-Acetoxy-4-methylcoumarin {} {} {} {} {} {} {} {} {} {} {} {} {LY} 7-Acetoxy-4-methylcoumarin {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 7-Acetoxy-4-methylcoumarin {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 7-Acetoxy-4-methylcoumarin {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 7-Acetoxy-4-methylco
MDL Number	MFCD00006865
CAS Number	2747-05-9
EC Number	220-386-6
Beilstein Registry Number	18,32
PubChem Substance ID	87562975
Alfabeta Name	METHYLOXOCHROMENYLACETATE H4227-------
Reaxys-RN	189667
Chemical Name Translation	7-乙酰氧基-4-甲基香豆素
InChIKey	HXVZGASCDAGAPS-UHFFFAOYSA-N
LabNetwork Molecule ID	LN00178890
InChI	InChI=1S/C12H10O4/c1-7-5-12(14)16-11-6-9(15-8(2)13)3-4-10(7)11/h3-6H,1-2H3
Canonical SMILES	O=C1C=C(C)C2=CC=C(OC(C)=O)C=C2O1

信息真实价格透明资金保障专业采购外包团队在线服务

品牌质保精细包装现货库存一流品牌服务

安全信息

WGK Germany3

GHS Symbol

Precautionary statements

P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
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+P350
P302+P352+P332+P313+P362+P364
P305+P351+P338
P305+P351+P338+P337+P313
P332+P313
P337+P313
P362 Take off contaminated clothing and wash before reuse. 脱掉污染的衣服，清洗后方可重新使用

Hazard statements

H315 Causes skin irritation 会刺激皮肤
H319 Causes serious eye irritation 严重刺激眼睛
H335 May cause respiratory irritation 可能导致呼吸道刺激

Signal word Warning

Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves

Hazard Codes Xi

Safety Statements

S36 Wear suitable protective clothing 穿戴适当的防护服；
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；

Risk Statements

R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性

Warnings IRRITANT

Storage condition 2-8°C {LY} 2-8°C {} {LY} 2-8°C {} {} {LY} 2-8°C {} {} {} {LY} 2-8°C {} {} {} {} {LY} 2-8°C {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {

其他信息

F:8-10-21
Alfa Aesar:4-甲基-7-乙酰氧基香豆素,99% 4-Methylumbelliferyl acetate, 99%(2747-05-9)
7-乙酰氧基-4-甲基香豆素价格(试剂级):更新日期产品编号产品名称包装价格 2014/06/02 A1527 7-乙酰氧基-4-甲基香豆素 7-Acetoxy-4-methylcoumarin 5G 432元 2014/06/02 A1527 7-乙酰氧基-4-甲基香豆素 7-Acetoxy-4-methylcoumarin 25G 1310元 2010/05/25 A12147 4-甲基-7-乙酰氧基香豆素, 99% 4-Methylumbelliferyl acetate, 99% 25g 1764元
下游产品:8-乙酰基-7-羟基-4-甲基-2H-1-苯并吡喃-2-酮 --> 2,6-二羟基苯乙酮
用途一:用作医药中间体
Sigma Aldrich:2747-05-9(sigmaaldrich)
图谱信息:7-乙酰氧基-4-甲基香豆素(2747-05-9)红外图谱(IR1) 7-乙酰氧基-4-甲基香豆素(2747-05-9)红外图谱(IR2) 7-乙酰氧基-4-甲基香豆素(2747-05-9)质谱(MS)
用途二:医药中间体，用于生产抗过敏药色甘酸钠。
方法一:间苯二酚经环合、乙酰化而得。在反应罐内加入乙酰乙酸乙酯和间苯二酚，搅拌升温至50℃溶解，再加入硫酸（防止冲料），加热回流1h。减压蒸干，加入乙酰乙酸乙酯，回流1h，减压蒸干。加入乙酐，回流1h。冷至80℃，缓缓加入乙醇，冷至10℃，甩滤，滤饼用乙醇洗涤至中性，干燥得7-乙酰氧基-4-甲基香豆素。熔点150-153℃（乙醇母液蒸干后可作间苯二酚投料）。
上游原料:乙酰乙酸乙酯 --> 间苯二酚
MOL 文件:2747-05-9.mol
TCI Shanghai:7-乙酰氧基-4-甲基香豆素 7-Acetoxy-4-methylcoumarin,>;98.0%(GC)(2747-05-9)