... 4.21Specification(USP standard).(1)Identification: in accordance with experiment. (2)Specific gravity: 1.017~1.020. (3)Refractive index: ... )Organic volatile impurities: qualified: 1 )Benzene: ≤100PPm(0.01%)2)Chloroform: ≤50PPm(0.005%)3)dichloromethane: ≤100PPm(0.01%)4 ... , Brazil, Argentina, Chile, India, Korea,Japan,Russia,etc. 2-Phenyl ethyl alcohol, beta-phenyl ethyl alcohol,cosmetics and wine flavor