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NORDIHYDROGUAIARETIC ACID | ||
PRODUCT IDENTIFICATION |
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CAS NO. | 500-38-9 |
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EINECS NO. | 207-903-0 | |
FORMULA | (CH(CH3)CH2C6H3(OH)2)2 | |
MOL WT. | 302.36 | |
H.S. CODE |
2907.29.9000 | |
TOXICITY |
Oral rat LD50: 2000mg/kg | |
SYNONYMS | Nordihydroguaiaretic acid; Masoprocol; NDGA; | |
2,3-Bis(3,4-dihydroxyphenylmethyl)butane; 2,3-Dimethyl-1,4-bis(3,4-dihydroxyphenyl)butane; 4,4'-(2,3-Dimethyl-1,4-butanediyl)bis(1,2-benzenediol); 4,4'-(2,3-Dimethyl-1,4-butanediyl)bis(pyrocatechol); 4,4'-(2,3-Dimethyltetramethylene)dipyrocatechol; beta,gamma-Dimethyl-alpha,delta-bis(3,4-dihydroxyphenyl)butane; 1,4-Bis(3,4-dihydroxyphenyl)-2,3-dimethylbutane; Dihydronorguaiaretic acid; Dihydrodinorguaiaretic acid; Nordihydroguaiaretic acid; 4,4'-(2,3-Dimethyltetramethylene)dipyrocatechol; | ||
SMILES |
c1(ccc(O)c(c1)O)C[C@@H]([C@@H](Cc1cc(c(cc1)O)O)C)C |
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CLASSIFICATION |
Phytochemical, Antioxidant, Analgesic, Anti-Inflammatory, Enzyme Inhibitor, Phenylpropanoid | |
EXTRA NOTES |
A potent lipoxygenase inhibitor that interferes with arachidonic acid metabolism. The compound also inhibits formyltetrahydrofolate synthetase, carboxylesterase, and cyclooxygenase to a lesser extent. It also serves as an antioxidant in fats and oils. [MeSH] | |
PHYSICAL AND CHEMICAL PROPERTIES |
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PHYSICAL STATE | white to off-white powder | |
MELTING POINT | 180 - 185 C | |
BOILING POINT | ||
SPECIFIC GRAVITY | ||
SOLUBILITY IN WATER | ||
pH | ||
VAPOR DENSITY |
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AUTOIGNITION |
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NFPA RATINGS | Health: 2; Flammability: 0; Reactivity 0 | |
REFRACTIVE INDEX |
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FLASH POINT |
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STABILITY |
Stable under ordinary conditions. |
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EXTERNAL LINKS & GENERAL DESCRIPTION |
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USA.gov - Nordihydroguaiaretic acid Wikipedia Linking - Nordihydroguaiaretic acid Google Scholar Search - Nordihydroguaiaretic acid U.S. National Library of Medicine - Nordihydroguaiaretic acid PubChem Compound Summary - Nordihydroguaiaretic acid KEGG (Kyoto Encyclopedia of Genes and Genomes) - Nordihydroguaiaretic acid http://www.ebi.ac.uk/chebi/ - Nordihydroguaiaretic acid http://www.ncbi.nlm.nih.gov/ - Nordihydroguaiaretic acid EPA - Substance Registry Services - Nordihydroguaiaretic acid Local | ||
SALES SPECIFICATION | ||
APPEARANCE |
white to off-white powder | |
MELTING POINT |
175 - 185 C |
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ASSAY |
98.0% min |
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OPTICAL ROTATION |
-1° ~ +1° |
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RESIDUE ON IGNITION |
0.1% max |
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LOSS ON DRYING |
0.5% max |
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HEAVY METALS |
20ppm max |
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TOTAL MOLD/YEAST |
Aerobic
Plate Count: 100 organisms/g |
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TRANSPORTATION | ||
PACKING |
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HAZARD CLASS | ||
UN NO. | ||
SAFETY INFORMATION | ||
HAZARD OVERVIEW |
GHS (Globally Harmonised System) Classification: Acute toxicity (Oral). Skin irritation. Eye irritation. Specific target organ toxicity - single exposure. Hazard statements: Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. | |
GHS |
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SIGNAL WORD | Warning | |
PICTOGRAMS |
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HAZARD STATEMENTS |
H302-H315-H319-H335 | |
P STATEMENTS |
P261-P305 + P351 + P338 | |
EC DIRECTIVES |
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HAZARD CODES |
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RISK PHRASES |
22-36/37/38 | |
SAFETY PHRASES |
26-36/37 |
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