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Cas Database |
| Name |
4-Methylumbelliferone |
EINECS | 201-986-7 |
| CAS No. | 90-33-5 | Density | 1.319 g/cm3 |
| PSA | 50.44000 | LogP | 1.80700 |
| Solubility | slightly soluble in water | Melting Point |
188.5-190 °C(lit.) |
| Formula | C10H8O3 | Boiling Point | 377.4 °C at 760 mmHg |
| Molecular Weight | 176.18 | Flash Point | 174.5 °C |
| Transport Information | N/A | Appearance | off-white to yellow crystals |
| Safety | 26-37/39-36 | Risk Codes | 36/37/38-20/21/22 |
| Molecular Structure |
|
Hazard Symbols |
 Xi, Xn
|
| Synonyms |
Coumarin,7-hydroxy-4-methyl- (8CI);Umbelliferone, 4-methyl- (6CI);4-MU;4-Methyl-7-hydroxycoumarin;7-Hydroxy-4-methyl-2-chromenone;7-Hydroxy-4-methyl-2-oxo-3-chromene;7-Hydroxy-4-methyl-2H-1-benzopyran-2-one;7-Hydroxy-4-methyl-2H-chromen-2-one;7-Hydroxy-4-methylcoumarin;Bilcolic;Bilicante;Biliton H;Cantabilin;Cantabiline;Cholestil;Cholonerton;Cholspasmin;Coumarin 4;Cumarote C;Eurogale;Hymecromone;Imecromone;Medilla;Mendiaxon;NSC 9408;Omega127;Pilot 447; |
Article Data | 217 |
4-Methylumbelliferone Chemical Properties
7-Hydroxy-4-methylcoumarin(90-33-5), also called 4-Methylumbelliferone, exists as off-white to yellow crystals. 7-Hydroxy-4-methylcoumarin(90-33-5) is slightly soluble in water.
Molecular Structure:
Molecular Formula: C10H8O3.
Molecular Weight: 176.17.
Melting Point: 188.5-190 ℃(lit.)
Molecular Structure:
Molecular Formula: C10H8O3.
Molecular Weight: 176.17.
Melting Point: 188.5-190 ℃(lit.)
4-Methylumbelliferone Uses
7-Hydroxy-4-methylcoumarin(90-33-5) is mainly used as pharmaceutical intermediates. 7-Hydroxy-4-methylcoumarin(90-33-5) is a cholagogue and the intermediate of sodium cromoglicate that is a antiallergic agent.
4-Methylumbelliferone Toxicity Data With Reference
1.rat LD50 oral > 3.85gm/kg (3850mg/kg)
National Technical Information Service. Vol. OTS0533525
National Technical Information Service. Vol. OTS0533525
4-Methylumbelliferone Safety Profile
Irritating to eyes, respiratory system and skin. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
Hazard Codes:
Xi,Xn
Risk Statements: 36/37/38-20/21/22
36/37/38: Irritating to eyes, respiratory system and skin
20/21/22: Harmful by inhalation, in contact with skin and if swallowed
Safety Statements: 26-37/39-36
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
37/39: Wear suitable gloves and eye/face protection
36: Wear suitable protective clothing
WGK Germany: 2
RTECS: GN7000000
Hazard Note: Irritant
Hazard Codes:
Xi,Xn Risk Statements: 36/37/38-20/21/22
36/37/38: Irritating to eyes, respiratory system and skin
20/21/22: Harmful by inhalation, in contact with skin and if swallowed
Safety Statements: 26-37/39-36
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
37/39: Wear suitable gloves and eye/face protection
36: Wear suitable protective clothing
WGK Germany: 2
RTECS: GN7000000
Hazard Note: Irritant
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4-Methylumbelliferone
