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5,7-DIHYDROXY-4-METHYLCOUMARIN |
| Synonyms. 5,7-Dihydroxy-4-methylcoumarin; 4-Methyl-5,7-dihydroxycoumarin; 4-Methyllimetol; 5,7-Dihydroxy-4-methyl-2H-1-benzopyran-2-one; 5,7-Dihydroxy-4-methylcoumarin; 5,7-Dihydroxy-4-methyl-2H-chromen-2-one; |
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| PRODUCT IDENTIFICATION | |
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CAS RN |
2107-76-8 |
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EINECS RN |
218-289-9 |
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FORMULA |
C10H8O4 |
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MOLE WEIGHT |
192.17 |
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H.S CODE |
2932.20.3000 |
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SMILES |
c12c(c(cc(c1)O)O)c(cc(=O)o2)C |
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CLASSIFICATION |
Coumarin |
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EXTRA NOTES |
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| PHYSICAL AND CHEMICAL PROPERTIES | |
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PHYSICAL STATE. |
off-white beige crystalline powder |
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MELTING POINT |
296 ~ 299 C |
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BOILING POINT |
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DENSITY |
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SOLUBILITY IN WATER |
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| SOLVENT SOLUBILITY |
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VAPOR DENSITY |
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log P(octanol-water) |
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VAPOR PRESSURE |
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AUTOIGNITION TEMP |
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| pK |
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REFRACTIVE INDEX |
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FLASH POINT |
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| STABILITY AND REACTIVITY | |
| STABILITY | Stable under normal conditions. |
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INCOMPATIBLE MATERIALS |
Strong oxidizing agents |
| POLYMERIZATION |
Has not been reported |
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NFPA RATINGS |
Health: 2, Flammability: 0, Reactivity: 0 |
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| EXTERNAL LINKS & GENERAL DESCRIPTION |
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USA.gov - 5,7-Dihydroxy-4-methylcoumarin Wikipedia Linking - Coumarin Google Scholar Search - 5,7-Dihydroxy-4-methylcoumarin U.S. National Library of Medicine - 5,7-Dihydroxy-4-methylcoumarin PubChem Compound Summary - 5,7-Dihydroxy-4-methylcoumarin http://www.ncbi.nlm.nih.gov/ - 5,7-Dihydroxy-4-methylcoumarin Hazardous Substances Data Bank - 5,7-Dihydroxy-4-methylcoumarin EPA - Substance Registry Services - 5,7-Dihydroxy-4-methylcoumarin |
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| SALES SPECIFICATION | |
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APPEARANCE |
white to beige powder |
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ASSAY |
98% min |
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MELTING POINT |
296 ~ 299 C |
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LOSS ON DRYING |
1% max |
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HEAVY METALS |
10ppm max |
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| TRANSPORT & REGULATORY INFORMATION | |
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UN NO. |
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| HAZARD CLASS |
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| PACKING GROUP | |
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| SAFETY INFORMATION | |
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HAZARD OVERVIEW |
GHS (Globally Harmonised System) Classification: Skin irritation. Eye irritation. Specific target organ toxicity - single exposure. Hazard statements: Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. |
| SIGNAL WORD | Warning |
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PICTOGRAMS |
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HAZARD STATEMENTS |
H315-H319-H335 |
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P STATEMENTS |
P261-P305 + P351 + P338 |
| EC DIRECTIVES |
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| HAZARD CODES |
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RISK PHRASES |
36/37/38 |
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SAFETY PHRASES |
26-36 |
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| PACKING |
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Preserved in light-resistant and well-closed bottles |
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