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8.21233 EMD Millipore

4-Methoxyphenol

4-Methoxyphenol for synthesis. CAS 150-76-5, pH 5.1 (30 g/l, H₂O, 20 °C)., for synthesis

Synonym: 1-Hyroxy-4-methoxybenzene, Hydroquinone monomethyl ether, MEHQ

  • CAS Number 150-76-5

  • Linear Formula C₇H₈O₂

  • Molecular Weight 124.14 g/mol

  •  EC Number 205-769-8

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Properties

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packaging   25 kg in Fibre carton (8212339025)
bp   234 - 246 °C (1013 hPa)
vapor pressure   0.009 hPa (20 °C)
solubility   40 g/l
density   1.55 g/cm3 (20 °C)
flash point   131 °C
autoignition temp.   421 °C
mp   54 - 57 °C
pH   5.1 (30 g/l, H₂O, 20 °C)
LD 50 oral   LD50 Rat 1600 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 99.0 % (a/a)
  Melting range (lower value): ≥ 54 °C
  Melting range (upper value): ≤ 57 °C
  Identity (IR): passes test

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Safety Information

HS Code 
2909 50 00
Hazard Statement(s) 
H302: Harmful if swallowed.
H317: May cause an allergic skin reaction.
H319: Causes serious eye irritation.
H412: Harmful to aquatic life with long lasting effects.
Precautionary Statement(s) 
P273: Avoid release to the environment.
P280: Wear protective gloves.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
RTECS 
SL7700000
Storage class 
10 - 13 Other liquids and solids
WGK 
WGK 1 slightly water endangering
Disposal 
3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Symbols 
Harmful  Harmful
Categories of danger 
harmful, irritant, sensitizing
R Phrase 
R 22-36-43-52/53
Harmful if swallowed.Irritating to eyes.May cause sensitisation by skin contact.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase 
S 24/25-26-37/39-46-61
Avoid contact with skin and eyes.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable gloves and eye/face protection.If swallowed, seek medical advice immediately and show this container or label.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
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