(S)-(+)-2-Amino-2-(4-tert-butylphenyl)ethanol
(S)-(+)-2-Amino-2-(4-tert-butylphenyl)ethanol (CAS: 191109-50-9; Formula: C12H19NO; MW: 193.29) is a chiral amino alcohol employed as a key building block in organic synthesis. Its enantiomerically pure structure makes it valuable in asymmetric synthesis for the preparation of complex molecules. This compound is primarily used in research and development laboratories for the creation of novel pharmaceutical intermediates and fine chemicals, contributing to advancements in medicinal chemistry and materials science.

Asymmetric Synthesis
Utilised as a chiral building block in stereoselective reactions to construct enantiomerically pure target molecules. Its specific stereochemistry is crucial for developing chiral drugs and catalysts.
Pharmaceutical Intermediate Synthesis
Serves as a precursor in the multi-step synthesis of active pharmaceutical ingredients (APIs). Its incorporation allows for the precise introduction of a chiral centre into drug candidates.
Organic Synthesis
A versatile reagent in general organic chemistry for the synthesis of complex organic structures. It can participate in various reactions, including functional group transformations and coupling reactions.
Research and Development
Employed in academic and industrial research settings for exploring new synthetic routes and developing novel chemical entities. Supports innovation in medicinal and materials chemistry.
| Molecular weight | 193.29 |
|---|---|
| Empirical formula | C12H19NO |
| Assay | 97% |
| Melting point | 115-119 °C |



Hazard statements
- H315Causes skin irritation
- H318Causes serious eye damage
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P342
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 37/38-41-43 |
| Safety statements (S) | 26-36/37/39 |
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)-(+)-2-Amino-2-(4-tert-butylphenyl)ethanol used for?
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(S)-(+)-2-Amino-2-(4-tert-butylphenyl)ethanol is primarily used as a chiral building block in asymmetric synthesis and as an intermediate in the synthesis of pharmaceutical compounds and other complex organic molecules.
What are the CAS number and formula for (S)-(+)-2-Amino-2-(4-tert-butylphenyl)ethanol?
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The CAS number is 191109-50-9, and the molecular formula is C12H19NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of 97%. This is typically considered a research or technical grade. We do not represent it as USP, BP, or EP grade.
What are the main hazards associated with handling this chemical?
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This compound is classified as dangerous. It may cause skin irritation (H315), serious eye damage (H318), and respiratory irritation (H335). Inhalation of dust may cause allergic reactions (H334). Appropriate personal protective equipment, including a dust mask, eyeglass, face shield, and gloves, should be worn.
How is this chemical typically packed, shipped, and exported?
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This chemical is carefully packed in suitable containers to ensure safe transport and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations.
How can I request a sample or quote for (S)-(+)-2-Amino-2-(4-tert-butylphenyl)ethanol?
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To request a sample or a detailed quotation, please contact our sales department via the website or email, specifying the product CAS number 191109-50-9.
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