NORDIHYDROGUAIARETIC ACID |
Synonyms. Nordihydroguaiaretic acid; 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; Dihydronorguaiaretic acid; NDGA; Nordihydroguairaretic acid; 1,4-Bis(3,4-dihydroxyphenyl)-2,3-dimethylbutane; Masoprocol; |
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PRODUCT IDENTIFICATION |
CAS RN |
500-38-9 |
EINECS RN |
207-903-0 |
FORMULA |
[CH(CH3)CH2C6H3-1,2-(OH)2]2 |
MOLE WEIGHT |
302.36 |
H.S CODE |
2907.29.9000 |
SMILES |
c1(ccc(O)c(c1)O)C[C@@H]([C@@H](Cc1cc(c(cc1)O)O)C)C |
CLASSIFICATION |
Analgesic, Anti-Inflammatory, Enzyme Inhibitor, Phenol antioxidant, 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. |
PHYSICAL AND CHEMICAL PROPERTIES |
PHYSICAL STATE. |
off-white to beige
powder |
MELTING POINT |
184
~ 187 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) |
4.64 |
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. |
INCOMPATIBLE MATERIALS |
Oxidizing agents |
POLYMERIZATION |
Has not been reported |
NFPA RATINGS |
Health: 2, Flammability: 0, Reactivity: 0 |
SALES SPECIFICATION |
APPEARANCE |
off-white to beige powder |
ASSAY |
99% min |
MELTING POINT |
184 ~ 186 C
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LOSS
ON DRYING |
0.5% max
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TRANSPORT & REGULATORY INFORMATION |
UN NO. |
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HAZARD CLASS |
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PACKING GROUP |
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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. |
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 |
PACKING |
Preserve in light-resistant and well-closed containers |
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