(2RS)-2-(4-BUTYLPHENYL)PROPANOIC ACID

Synonym(s):(2RS)-2-(4-Butylphenyl)propanoic acid solution;(2RS)-2- (4-BUTYLPHENYL)PROPANOIC ACID SODIUM SALT;p-Butylhydratropic acid;4-Butyl-α-methylbenzeneacetic acid;Ibuprofen Impurity B Sodium Salt

An Ibuprofen (I140000) impurity.

Melting point:	142 - 144°C
Boiling point:	143 °C(Press: 0.5 Torr)
Density	1.031±0.06 g/cm3(Predicted)
Flash point:	2℃
storage temp.	Refrigerator
solubility	Aqueous Base (Slightly), Chloroform (Slightly), Methanol (Slightly)
form	neat
pka	4.43±0.10(Predicted)
color	White to Off-White
Stability:	Hygroscopic

Signal word	Danger
Pictogram(s)	Flame Flammables GHS02 Exclamation Mark Irritant GHS07
GHS Hazard Statements	H225:Flammable liquids H319:Serious eye damage/eye irritation
Precautionary Statement Codes	P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.