Product information

 

 

4-Methylumbelliferone Basic information

Product Name:	4-Methylumbelliferone
Synonyms:	2H-1-Benzopyran, 7-hydroxy-4-methyl-2-oxo-;2H-1-Benzopyran-2-one, 7-hydroxy-4-methyl-;2H-1-Benzopyren-2-one, 7-hydroxy-4-methyl-;4-Methylumbelliferon;4-Metylumbelliferone;7-hydroxy-4-methyl-2h-1-benzopyran-2-on;7-Hydroxy-4-methyl-2H-1-benzopyran-2-one;7-hydroxy-4-methyl-2h-1-benzopyren-2-on
CAS:	90-33-5
MF:	C10H8O3
MW:	176.17
EINECS:	201-986-7
Product Categories:	ketone;Aromatics Compounds;Aromatics;Fluorescent Labels & Indicators;intermediate;CANTABILINE
Mol File:	90-33-5.mol

4-Methylumbelliferone Chemical Properties

mp	188.5-190 °C(lit.)
storage temp.	-20°C Freezer
color	off-white to yellow
Water Solubility	slightly soluble
Merck	14,4854
BRN	142217
Stability:	Stable. Combustible. Incompatible with strong oxidizing agents.
CAS DataBase Reference	90-33-5(CAS DataBase Reference)
NIST Chemistry Reference	Coumarin, 7-hydroxy-4-methyl-(90-33-5)
EPA Substance Registry System	2H-1-Benzopyran- 2-one, 7-hydroxy-4-methyl-(90-33-5)

Safety Information

Hazard Codes	Xi,Xn
Risk Statements	36/37/38-20/21/22
Safety Statements	26-37/39-36
WGK Germany	2
RTECS	GN7000000
Hazard Note	Irritant

MSDS Information

Provider	Language
7-Hydroxy-4-methylcoumarin	English
ACROS	English
SigmaAldrich	English
ALFA	English

4-Methylumbelliferone Usage And Synthesis

Chemical Properties	Off-White to Yellow Crystals
Usage	Standard for the fluorometric determination of enzyme activity. Highly fluorescent in alkaline solution. Fluorescence: max Abs. l = 360nm, max. Em. l = 449nm; pH > 9
Usage	choloretic, spasmolytic, sunscreen
General Description	Colorless crystals. Insoluble in water.
Air & Water Reactions	Insoluble in water.
Fire Hazard	Flash point data for 4-Methylumbelliferone are not available. 4-Methylumbelliferone is probably combustible.

4-Methylumbelliferone Preparation Products And Raw materials

Raw materials	Ethyl acetoacetate
Preparation Products	8-ACETYL-7-HYDROXY-4-METHYLCOUMARIN

Company information

 Henan sunlake enterprise corporation is located in Henan Province , The central plain of China , Which enjoys favorable geogeaphical position and convenient transportion, The com[any was established in june. 1998 , until now having more than 18 years experience in manufacturing & exporting chemical raw material .

  Sunlake is a professional manufacturer engaged in producing and selling chemicals,including Organic & inorganic chemicals , pigments & Dyestuffs ,  Water treatment chemicals , Food & FEED additives and others . these products have been being well exported to europe , southeast Asia , the Middle East ,  Africa , South America and some other countries and areas.

    We sincerely welcome foreign friends to visit our plant for cooperation. With the idea of "quality first,credit priority, Excellent service", We are highly acknowledged by customers for good quality and competitive price. More importantly , the company has a strong R & D team, who are professional engineers and scholars with Ph. D. .So we are confident to serve you  better with our high - quality products and professional team.

    We are taking great efforts to provide our customers with demanded goods and professional services, and continuously improve our core ability of competition and get the momentum for sustainable development, and finally make us being a reliable and professional wupplier in international market.

    We  welcome any serious inquiries from all customers of the world, and sincerely hope to cooperate.