(4S)-(+)-4-(2-Hydroxyethyl)-2,2-dimethyl-1,3-dioxolane
(4S)-(+)-4-(2-Hydroxyethyl)-2,2-dimethyl-1,3-dioxolane (CAS: 32233-43-5), a chiral building block, is essential for asymmetric synthesis. With a molecular weight of 146.18 g/mol, this organic compound is supplied by Tech Serve Solutions at 96% purity. It is utilized in chemical synthesis to create more complex chiral molecules, contributing to advancements in various scientific fields. Its specific stereochemistry makes it a valuable intermediate in the production of enantiomerically pure compounds.
- IUPAC
- (S)-(+)-2,2-Dimethyl-1,3-dioxolane-4-ethanol
- Synonyms
- 32233-43-5C7H14O3(S)-(+)-2,2-Dimethyl-1,3-dioxolane-4-ethanol

Chiral Synthesis
This compound serves as a key chiral building block in stereoselective synthesis, enabling the construction of complex molecules with defined stereochemistry.
Pharmaceutical Intermediates
It is employed in the synthesis pathways of various pharmaceutical agents where specific chirality is crucial for biological activity and efficacy.
Organic Building Block
As a versatile organic building block, it can be functionalised to introduce specific structural motifs in organic synthesis research and development.
Asymmetric Catalysis Research
It can be used in the development and study of new asymmetric catalysts and methodologies.
| Molecular weight | 146.18 |
|---|---|
| Empirical formula | C7H14O3 |
| Assay | 96% |
| Boiling point | 98 °C/15 mmHg(lit.) |
| Density | 1.027 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4380(lit.) |
| Optical activity | [α]20/D +2°, c = 1% in chloroform |
| Storage temperature | 2-8°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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 100 °C / 212 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 (4S)-(+)-4-(2-Hydroxyethyl)-2,2-dimethyl-1,3-dioxolane used for?
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(4S)-(+)-4-(2-Hydroxyethyl)-2,2-dimethyl-1,3-dioxolane is primarily used as a chiral building block in asymmetric synthesis and as an intermediate in organic synthesis, particularly for creating enantiomerically pure compounds.
What are the CAS number and molecular formula?
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The CAS number for (4S)-(+)-4-(2-Hydroxyethyl)-2,2-dimethyl-1,3-dioxolane is 32233-43-5, and its molecular formula is C7H14O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (4S)-(+)-4-(2-Hydroxyethyl)-2,2-dimethyl-1,3-dioxolane with an assay of 96%. This is a research-grade chemical and is not represented as USP, BP, or EP.
How should (4S)-(+)-4-(2-Hydroxyethyl)-2,2-dimethyl-1,3-dioxolane be handled and stored?
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This compound is a Warning: H315-H319-H335, causing skin, eye, and respiratory irritation. Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator. Store at 2-8°C.
How is this chemical exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, ensuring compliant and secure international shipping.
How can I request a sample or quote?
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To request a sample or obtain a quote for (4S)-(+)-4-(2-Hydroxyethyl)-2,2-dimethyl-1,3-dioxolane, please contact our sales team through the website or designated contact channels.
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