CAS 3886-69-9 corresponds to D (+) – α – methylbenzylamine (also known as R (+) – α – phenylethylamine), which is a chiral organic amine with optical activity. Its chemical formula is C ₈ H ₁ N, and it is mainly used as a chiral separating agent and synthetic intermediate in pharmaceuticals and fine chemicals.

Core physical and chemical parameters
-Chinese name: D (+) – α – methylbenzylamine (alias: R (+) – α – methylbenzylamine, (R) – (+) -1-phenylethylamine)
-Molecular formula/molecular weight: C ₈ H ₁ N/121.18
-Appearance: Colorless to pale yellow transparent liquid
-Density: 0.95-0.96 g/mL (20 ℃)
-Boiling point: 184-189 ℃
-Melting point: about -10 ℃
-Polarity:+30 ° to+37 ° (c=10, ethanol solution)
-Flash point: about 75-76 ℃
-Water solubility: about 40 g/L (20 ℃)
-EINECS number: 223-423-4

Safety and Usage
-Main uses: As a chiral source for asymmetric synthesis, racemic separation (such as purification of drug intermediates), catalyst ligand precursor, etc.
-Hazard Category: Corrosive (Category 8), Irritable and Toxic Risks (Risk Terms R21/22, R34).
-Storage suggestion: Seal and avoid light. For some specifications, it is recommended to refrigerate at 2-8 ℃; Wear protective equipment (such as S26, S28, etc.) during operation.
-Transport code: UN 2735, Class 8 dangerous goods, PG II.

The optical purity of this substance is usually ≥ 99% e.e., and the industrial grade purity is ≥ 98%. It is a controlled chemical and requires compliant procurement and use.

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(R)-(+)-1-Phenylethylamine CAS 3886-69-9
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