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CAS: 529-84-0
分子式: C10H8O4
分子量: 192.17
熔点: 274-276℃
中文名称: 
4-甲基七叶亭
6,7-二羟基-4-甲基香豆素
4-甲基-6,7-二羟基香豆素
英文名称: 
6,7-dihydroxy-4-methyl-coumari
6,7-dihydroxy-4-methyl-2h-1-benzopyran-2-on
4-methylaesculetin
4-methylesculetin
4-methylesculetol
6,7-dihydroxy-4-methyl-2h-1-benzopyran-2-one
6,7-dihydroxy-4-methylcoumarin
methylesculetin
Methyl esculetin
4-Methylaes-culetin
性质描述: 黄色针状结晶。熔点为272-274℃。溶于热水、醇、乙酸、浓硫酸和稀碱,溶液呈蓝色荧光,遇三氯化铁呈绿色。
生产方法: 由苯醌与乙酐在浓酸存在下生成苯基三乙酸酯。在稀硫酸作用下与乙酰乙酸乙酯反应,将反应物倒入冰水中而析出甲基七叶亭粗品,过滤出的结晶用水重结晶,即得成品。
用途: 用作荧光指示剂。
推荐供应商
货号品牌产品名称规格包装、参考价格详情
M863289MACKLIN4-甲基七叶亭98%(HPLC)(T)184元/5g;   602元/25g;   展开
储存:室温,干燥
状态:白色到灰色到棕色粉末到晶体
M797216MACKLIN4-甲基七叶亭10mM in DMSO185元/1ml;   展开
储存:-20°C
M0766TCI4-Methylesculetin>98.0%(T)(HPLC)685元/25G;   展开

基本信息

纯度/分析方法>98.0%(T)(HPLC)
分子式/分子量C10H8O4 = 192.17
外观与形状(20℃)固体
Reaxys-RN162550
PubChem物质ID87572768
SDBS (AIST Spectral DB)21186
MDL编号MFCD00006859

技术规格

AppearanceWhite to Gray to Brown powder to crystal
Purity(HPLC)min. 98.0 area%
Purity(Neutralization titration)min. 98.0 %

物性(参考值)

熔点278 ℃
溶解性(可溶于)二甲基甲酰胺

安全信息

图形或危害标志
信号词警告
危险性说明H303 : 吞咽可能有害。
H315 : 造成皮肤刺激。
H319 : 造成严重眼刺激。
防范说明P264 : 作业后彻底清洗皮肤。
P280 : 戴防护手套/戴防护眼罩/戴防护面具。
P302 + P352 : 如皮肤沾染:用水充分清洗。
P312 : 如感觉不适,呼叫急救中心/医生。
P337 + P313 : 如仍觉眼刺激:求医/就诊。
P305 + P351 + P338 : 如进入眼睛:用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出,取出隐形眼镜。继续冲洗。
P362+P364 : 脱掉沾污的衣服,清洗后方可重新使用。
P332 + P313 : 如发生皮肤刺激:求医/就诊。

相关法规

RTECS#GN6384500
559758J&K4-Methylesculetin98%548元/20MG;   展开

基本信息

分子式C10H8O4
分子量192.17
MDL编码MFCD00006859
Beilstein162550
EINECS 编号208-470-0

安全信息

图形或危害标志
提示语Warning
危险说明H315
H319
H335
防范说明P261
P305+P351+P338
RTECSGN6384500
A11902Alfa Aesar6,7-Dihydroxy-4-methylcoumarin97%306元/5g;   1261元/25g;   4596元/100g;   展开

基本信息

MDL
MFCD00006859

EINECS
208-470-0

分子式
C10H8O4

分子量
192.17

熔点
ca 275° dec.

形态
Powder

Beilstein
162550

GHS危害和防范说明

GHS符号

Hazard Statements
H303-H315-H319-H335
May be harmful if swallowed.Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.

Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
36/37/38
Irritating to eyes, respiratory system and skin.

安全等级
26-37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

RTECS
GN6384500

TSCA

237153Fluorochem6,7-Dihydroxy-4-methyl-2H-chromen-2-one95%528元/1g;   1364元/5g;   3476元/25g;   展开

基本信息

CAS Number529-84-0
MDL NumberMFCD00006859
Density1.5

安全信息

图形或危害标志
危险性说明 H302: Harmful if swallowed.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
防范说明 P233: Keep container tightly closed.
P260: Do not breathe .
P261: Avoid breathing
P264: Wash hands thoroughly after handling.
P270: Do not eat, drink or smoke when using this product.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear .
P301 + P312: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304: IF INHALED: .
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P312: Call a POISON CENTER or doctor/physician if you feel unwell.
P321: Specific treatment (see . on this label).
P330: Rinse mouth.
P332 + P313: If skin irritation occurs: Get medical advice/ attention.
P337 + P313: If eye irritation persists: Get medical advice/attention.
P340: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P362: Take off contaminated clothing and wash before reuse.
P403: Store in a well-ventilated place.
P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
P501: Dispose of contents/container to local regulations.
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