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;

5,7-DIHYDROXY-4-METHYLCOUMARIN

Click for original image

 

PRODUCT IDENTIFICATION

CAS RN

2107-76-8

EINECS RN

218-289-9

FORMULA

C10H8O4

MOLE WEIGHT

192.17

H.S CODE

2932.20.3000

SMILES

c12c(c(cc(c1)O)O)c(cc(=O)o2)C

CLASSIFICATION

Coumarin

EXTRA NOTES

 

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE.

off-white beige crystalline powder

MELTING POINT

296 ~ 299 C

BOILING POINT

 

DENSITY

 

SOLUBILITY IN WATER

 

SOLVENT SOLUBILITY

 

VAPOR DENSITY

 

log P(octanol-water)

 

VAPOR PRESSURE

 

AUTOIGNITION TEMP

 
pK

 

REFRACTIVE INDEX

 

FLASH POINT

 

 

STABILITY AND REACTIVITY
STABILITY Stable under normal conditions.

INCOMPATIBLE MATERIALS

Strong oxidizing agents

POLYMERIZATION

Has not been reported

NFPA RATINGS

Health: 2, Flammability: 0, Reactivity: 0

 

EXTERNAL LINKS & GENERAL DESCRIPTION

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

 

SALES SPECIFICATION

APPEARANCE

white to beige powder

ASSAY

98% min

MELTING POINT

296 ~ 299 C

LOSS ON DRYING

1% max

HEAVY METALS

10ppm max

 

TRANSPORT & REGULATORY INFORMATION

UN NO.

 

HAZARD CLASS

 

PACKING GROUP  

 

SAFETY INFORMATION

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

PICTOGRAMS

PICTOGRAM_GHS07_exclamation.jpg

HAZARD STATEMENTS

H315-H319-H335

P STATEMENTS

P261-P305 + P351 + P338

EC DIRECTIVES

 

HAZARD CODES

CODE_Xn_Xi_harmful_Irritant.gif

RISK PHRASES

36/37/38

SAFETY PHRASES

26-36

 

PACKING

Preserved in light-resistant and well-closed bottles