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CAS RN: 51146-56-6 | Product Number: I0549


Purity: >98.0%(GC)(T)
  • (S)-(+)-2-(4-Isobutylphenyl)propionic Acid
  • (S)-(+)-4-Isobutyl-α-methylphenylacetic Acid
3   ≥40 
1   35  

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Product Number I0549
Purity / Analysis Method >98.0%(GC)(T)
Molecular Formula / Molecular Weight C__1__3H__1__8O__2 = 206.29 
Physical State (20 deg.C) Solid
CAS RN 51146-56-6
Reaxys Registry Number 3590020
PubChem Substance ID 87571895
SDBS (AIST Spectral DB) 41004
MDL Number


Appearance White to Almost white powder to crystal
Purity(GC) min. 98.0 %
Purity(Neutralization titration) min. 98.0 %
Melting point 51.0 to 55.0 °C
Specific rotation [a]20/D +58.0 to +60.0 deg(C=2, EtOH)
Solubility in Methanol almost transparency
Properties (reference)
Melting Point 52 °C
Specific Rotation 59° (C=2,EtOH)
Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
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HS Number 2916399070
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