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BUTIN |
| Synonyms. Butin; (-)-Butin; (2S)-2-(3,4-Dihydroxyphenyl)-7-hydroxy-2,3-dihydrochromen-4-one; 7,3',4'-Trihydroxyflavanone; (S)-2-(3,4-Dihydroxyphenyl)-2,3-dihydro-7-hydroxy-4H-1-benzopyran-4-one; |
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| PRODUCT IDENTIFICATION | |
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CAS RN |
492-14-8 |
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EINECS RN |
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FORMULA |
C15H12O5 |
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MOLE WEIGHT |
272.25 |
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H.S CODE |
2932.99.6100 |
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SMILES |
c12O[C@H](c3cc(O)c(cc3)O)CC(c1ccc(c2)O)=O |
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CLASSIFICATION |
Flavanone |
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EXTRA NOTES |
Butin is a flavanone, a type of flavonoid. It can be found in the seeds of Vernonia anthelmintica (Asteraceae) and in the wood of Dalbergia odorifera (Wikipedia) |
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| PHYSICAL AND CHEMICAL PROPERTIES | |
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PHYSICAL STATE. |
white to light yellow power |
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MELTING POINT |
224 ~ 226 C |
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BOILING POINT |
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DENSITY |
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SOLUBILITY IN WATER |
1490 mg/l |
| SOLVENT SOLUBILITY |
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VAPOR DENSITY |
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log P(octanol-water) |
1.94 |
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VAPOR PRESSURE |
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AUTOIGNITION TEMP |
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| pH |
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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, Strong bases |
| POLYMERIZATION |
Has not been reported |
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NFPA RATINGS |
Health: 1, Flammability: 0, Reactivity: 0 |
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| EXTERNAL LINKS & GENERAL DESCRIPTION |
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Wikipedia Linking - Butin Google Scholar Search - Butin Drug Information Portal (U.S. National Library of Medicine) - Butin PubChem Compound Summary - Butin KEGG (Kyoto Encyclopedia of Genes and Genomes) - Butin ChEBI (http://www.ebi.ac.uk) - Butin http://www.ncbi.nlm.nih.gov/ - Butin http://molecules.gnu-darwin.org |
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| SALES SPECIFICATION | |
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APPEARANCE |
white to light yellow power |
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CONTENT |
98.0% min |
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LOSS ON DRYING |
1.0% max |
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HEAVY METALS |
20ppm max |
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MELTING POINT |
223 ~ 227 C |
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| TRANSPORT & REGULATORY INFORMATION | |
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UN NO. |
Not regulated |
| HAZARD CLASS |
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| PACKING GROUP | |
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| SAFETY INFORMATION | |
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HAZARD OVERVIEW |
Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. May be harmful if inhaled. May be harmful if swallowed. |
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GHS |
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SIGNAL WORD |
Warning |
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PICTOGRAMS |
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HAZARD STATEMENTS |
H315-H319-P335 |
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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 |
26-33/39 |
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| PACKING |
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Preserve in light-resistant and well-closed containers |