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150-76-5

150-76-5 Structure

150-76-5 Structure
IdentificationMore
[Name]

4-Methoxyphenol
[CAS]

150-76-5
[Synonyms]

1-HYDROXY-4-METHOXYBENZENE
4-HYDROXYANISOLE
4-METHOXYPHENOL
HYDROQUINONE MONOMETHYL ETHER
HYDROXYANISOLE
HYDROXYANISOLE-4
MEHQ
MEQUINOL
METHOXYPHENOL(P-)
METHOXYPHENOL, PARA-
MONOMETHYLHYDROQUINONE
O-Methylhydroquinone
P-HYDROXYANISOLE
P-METHOXYPHENOL
4-methoxy-pheno
Eastman HQMME
ethermonomethyliqued’hydroquinone
Hqmme
Hydroquinone methyl ether
hydroquinonemethylether
[EINECS(EC#)]

205-769-8
[Molecular Formula]

C7H8O2
[MDL Number]

MFCD00002332
[Molecular Weight]

124.14
[MOL File]

150-76-5.mol
Chemical PropertiesBack Directory
[Appearance]

4-Methoxyphenol is a colorless to white, waxy solid with an odor of caramel and phenol. A combustible solid.
[Appearance]

White crystals.
[Melting point ]

56 °C
[mp ]

56 °C
[Boiling point ]

243 °C(lit.)
[bp ]

243 °C(lit.)
[density ]

1,55 g/cm3
[vapor density ]

4.3 (vs air)
[vapor pressure ]

<0.01 mm Hg ( 20 °C)
[refractive index ]

1.5286 (estimate)
[Fp ]

>230 °F
[storage temp. ]

Store below +30°C.
[solubility ]

Soluble in acetone, ethyl acetate, ethanol, ether, benzene and carbon tetrachloride.
[form ]

Liquid
[pka]

10.21(at 25℃)
[color ]

Clear colorless to pale yellow
[PH]

5.1 (30g/l, H2O, 20℃)
[Stability:]

Stable. Combustible. Incompatible with halogens, oxidizing agents.
[Odor Threshold]

0.0027ppm
[Water Solubility ]

40 g/L (25 ºC)
[Usage]

Intermediates of Liquid Crystals
[BRN ]

507924
[InChIKey]

NWVVVBRKAWDGAB-UHFFFAOYSA-N
[CAS DataBase Reference]

150-76-5(CAS DataBase Reference)
[NIST Chemistry Reference]

Mequinol(150-76-5)
[EPA Substance Registry System]

150-76-5(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xn
[Risk Statements ]

R22:Harmful if swallowed.
R36:Irritating to the eyes.
R43:May cause sensitization by skin contact.
[Safety Statements ]

S24/25:Avoid contact with skin and eyes .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S37/39:Wear suitable gloves and eye/face protection .
S46:If swallowed, seek medical advice immediately and show this container or label .
[WGK Germany ]

1
[RTECS ]

SL7700000
[Autoignition Temperature]

789 °F
[TSCA ]

Yes
[HS Code ]

29095090
[Safety Profile]

Poison by intraperitoneal route. A skin irritant. When heated to decomposition it emits acrid smoke and fumes. See also ETHERS.
[Hazardous Substances Data]

150-76-5(Hazardous Substances Data)
[Toxicity]

LD50 orally in Rabbit: 1600 mg/kg
Raw materials And Preparation ProductsBack Directory
【Raw materials】

Ethanol-->Methanol-->Sulfuric acid-->Hydroquinone-->1,4-Benzoquinone-->Silane, (1,1-dimethylethyl)(4-methoxyphenoxy)dimethyl--->4-Chloroanisole-->4-ALLYLOXYANISOLE-->4-Methoxyphenylboronic acid-->4-Bromoanisole
【Preparation Products】

N-Isopropylacrylamide-->Butylated hydroxyanisole-->5-METHOXYBENZOFURAN-2-CARBOXYLIC ACID, ETHYL ESTER-->5-Methoxybenzofuran-->5-Methoxybenzofuran-2-carboxylic acid-->5-Methoxysalicylic acid-->2-METHOXY-5-(2'-ETHYLHEXYLOXY)BENZENE-1&-->N-NONYL ACRYLATE-->2-Hydroxy-5-methoxybenzaldehyde-->6-METHOXY-2-OXO-2H-CHROMENE-3-CARBOXYLIC ACID-->Disperse Red 146-->4-methoxyphenyl benzoate-->3-Bromo-2,5-dimethoxyaniline-->2,3-EPOXYPROPYL-4-METHOXYPHENYL ETHER-->Disperse Red 146
Hazard InformationBack Directory
[General Description]

Pink crystals or white waxy solid.
[Reactivity Profile]

HYDROQUINONE MONOMETHYL ETHER(150-76-5) can react with oxidizing materials.
[Air & Water Reactions]

Sensitive to moisture. Water soluble.
[Hazard]

Eye irritant and skin damage.
[First aid]

If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit.
[Fire Hazard]

Combustible
[Shipping]

UN3335 Aviation regulated solid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required.
[Chemical Properties]

White crystals.
[Chemical Properties]

4-Methoxyphenol is a colorless to white, waxy solid with an odor of caramel and phenol. A combustible solid.
[Uses]

Inhibitor for acrylic monomers; stabilizer for chlorinated hydrocarbons and ethyl cellulose; UV inhibitor
[Uses]

Intermediates of Liquid Crystals
[Uses]

5HT1&2 receptor antagonist.
Mequinol (4-hydroxyanisole) is a substrate of the enzyme tyrosinase and acts as a competitive inhibitor of melanogenesis.
[Indications]

Mequinol (4-hydroxyanisole) is a substrate of the enzyme tyrosinase and acts as a competitive inhibitor of melanogenesis.
[Synthesis Reference(s)]

The Journal of Organic Chemistry, 42, p. 1479, 1977 DOI: 10.1021/jo00428a054
Synthesis, p. 751, 1983 DOI: 10.1055/s-1983-30501
Tetrahedron Letters, 34, p. 7667, 1993 DOI: 10.1016/S0040-4039(00)61534-4
[Health Hazard]

4-Methoxyphenol is expected to cause liver and renal toxicity with narcosis, but only at high levels of exposure.
[Purification Methods]

Crystallise 4-methoxyphenol from *benzene, pet ether or H2O, and dry it under vacuum over P2O5 at room temperature. Sublime it in vacuo. [Wolfenden et al. J Am Chem Soc 109 463 1987, Beilstein 6 IV 5717.]
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

4-Methoxyphenol(150-76-5).msds
Spectrum DetailBack Directory
[Spectrum Detail]

4-Methoxyphenol(150-76-5) MS
4-Methoxyphenol(150-76-5) 13C NMR
4-Methoxyphenol(150-76-5) 1H NMR
4-Methoxyphenol(150-76-5) IR1
4-Methoxyphenol(150-76-5) IR2
4-Methoxyphenol(150-76-5) Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

4-Methoxyphenol, stabilized, pure, 99%(150-76-5)
[Alfa Aesar]

4-Methoxyphenol, 98+%(150-76-5)
[Sigma Aldrich]

150-76-5(sigmaaldrich)
[TCI AMERICA]

4-Methoxyphenol,>99.0%(GC)(150-76-5)
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