4-Hydroxy-3-methylbenzoic acid CAS No.499-76-3 / Cat No.EBD19058
Properties
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Density:
1.304 g/cm3
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Melting point:
173-177 °C
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Boiling point:
331.3 °C at 760 mmHg
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Flashing point:
168.4 °C
Safety Information
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Symbol:
-
Signal words:
Danger -
Hazard statements:
H302 Harmful if swallowed.
H315 Causes skin irritation.
H318 Causes serious eye damage.
H335 May cause respiratory irritation.
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Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
NMR Spectrum
Prediction： 1 H-NMR(CDCl3)delta(ppm): 2.16(3H,s,CH3), 6.81(1H,d,J=8.3 Hz,H6), 7.60(1H,dd,J=2.0,8.1 Hz,H5), 7.66(1H,d,J=1.2 Hz,H3), 9.47(1H,br.s,COOH)
1H NMR
13C NMR
