(S)-α-Methyl-4-nitrobenzylamine hydrochloride
(S)-α-Methyl-4-nitrobenzylamine hydrochloride (CAS: 132873-57-5) is a chiral amine salt with the molecular formula O2NC6H4CH(CH3)NH2 · HCl and a molecular weight of 202.64 g/mol. It serves as a valuable building block in asymmetric synthesis and chemical research. This compound is particularly useful as a chiral resolving agent for the separation of enantiomers, contributing to the synthesis of enantiomerically pure compounds.
- IUPAC
- (S)-1-(4-Nitrophenyl)ethylamine hydrochloride

Chiral Resolving Agent
(S)-α-Methyl-4-nitrobenzylamine hydrochloride is effectively employed as a chiral resolving agent. It facilitates the separation of racemic mixtures into individual enantiomers, crucial for producing stereochemically pure compounds in pharmaceuticals and fine chemicals.
Chiral Building Block
As a chiral building block, this amine salt is instrumental in the construction of complex chiral molecules. Its defined stereochemistry makes it a key intermediate in multi-step syntheses where chirality is essential.
Asymmetric Synthesis
In asymmetric synthesis, (S)-α-Methyl-4-nitrobenzylamine hydrochloride contributes to creating chiral centres with high enantioselectivity. Its application aids in developing novel synthetic routes for stereospecific targets.
| Molecular weight | 202.64 |
|---|---|
| Linear formula | O2NC6H4CH(CH3)NH2 · HCl |
| Assay | ≥99.0% (HPLC) |
| Optical activity | [α]20/D −7.2±0.5°, c = 1% in 0.05 M NaOH |
| Melting point | 248-250 °C(lit.)248-250 °C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is (S)-α-Methyl-4-nitrobenzylamine hydrochloride used for?
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(S)-α-Methyl-4-nitrobenzylamine hydrochloride is primarily used as a chiral resolving agent and a chiral building block in asymmetric synthesis and chemical research.
What is the CAS number and chemical formula for this compound?
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The CAS number is 132873-57-5, and the chemical formula is O2NC6H4CH(CH3)NH2 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (S)-α-Methyl-4-nitrobenzylamine hydrochloride with an assay of ≥99.0% (HPLC). We do not represent this product as USP, BP, or EP grade.
How should (S)-α-Methyl-4-nitrobenzylamine hydrochloride be handled?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid dust formation and inhalation, and ensure adequate ventilation. The compound is classified with hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation).
Is (S)-α-Methyl-4-nitrobenzylamine hydrochloride a controlled substance?
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The provided data does not indicate that (S)-α-Methyl-4-nitrobenzylamine hydrochloride is a controlled substance.
How is this chemical packed and shipped?
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This chemical is packed according to industry standards for safe transport. Tech Serve Solutions exports fine chemicals, pharmaceutical intermediates, and laboratory reagents globally.
How can I request a quote or sample?
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Please contact our sales department directly to request a quote or a sample of (S)-α-Methyl-4-nitrobenzylamine hydrochloride.
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