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8.14201 EMD Millipore

3-Hydroxy-2-methyl-4-pyranone

3-Hydroxy-2-methyl-4-pyranone for synthesis. CAS 118-71-8, pH 5.3 (0.5 g/l, H₂O)., for synthesis

Synonym: Maltene

  • CAS Number 118-71-8

  • Linear Formula C₆H₆O₃

  • Molecular Weight 126.11 g/mol

  •  EC Number 204-271-8

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Properties

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packaging   25 g in Plastic bottle (8142010025)
bp   170 °C (13 hPa)
solubility   10.9 g/l
autoignition temp.   740 °C
mp   159 - 161 °C
pH   5.3 (0.5 g/l, H₂O)
LD 50 oral   LD50 Rat 1410 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (acidimetric): ≥ 99.0 %
  Melting range (lower value): ≥ 159 °C
  Melting range (upper value): ≤ 161 °C
  Identity (IR): passes test

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Safety Information

HS Code 
2932 99 00
Hazard Statement(s) 
H302: Harmful if swallowed.
RTECS 
UQ1050000
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
R Phrase 
R 22
Harmful if swallowed.
S Phrase 
S 24/25
Avoid contact with skin and eyes.
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