(R)-(+)-Propylene carbonate
(R)-(+)-Propylene carbonate (CAS: 16606-55-6, C4H6O3) is a chiral organic compound with a molecular weight of 102.09 g/mol. This clear liquid, with a refractive index of n20/D 1.422, is a valuable building block in asymmetric synthesis. Its stereospecific nature makes it useful for creating complex chiral molecules in various chemical research and development applications.
- IUPAC
- (R)-1,2-Propanediol cyclic carbonate
- Synonyms
- (R)-1,2-Propanediol cyclic carbonate

Chiral Building Block
Utilised in organic synthesis to introduce chirality into target molecules. Its defined stereochemistry aids in the precise construction of complex chiral compounds.
Asymmetric Synthesis
Serves as a key intermediate in asymmetric synthesis pathways, enabling the creation of enantiomerically enriched products. Essential for developing stereoselective synthetic routes.
Chemical Synthesis
A versatile reagent in general chemical synthesis, particularly where a chiral cyclic carbonate moiety is required. Useful in the development of novel organic compounds.
| Molecular weight | 102.09 |
|---|---|
| Empirical formula | C4H6O3 |
| Assay | 98% |
| Boiling point | 240 °C(lit.) |
| Density | 1.189 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.422(lit.) |
| Optical activity | [α]20/D +2°, neat |
| Optical purity | ee: 95% (GLC) |
| Vapour pressure | 0.59 psi (20 °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 | 132 °C / 269.6 °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 (R)-(+)-Propylene carbonate used for?
+
(R)-(+)-Propylene carbonate is primarily used as a chiral building block in asymmetric synthesis and general organic chemical synthesis. Its stereospecific nature makes it valuable for creating complex chiral molecules.
What is the CAS number and formula for (R)-(+)-Propylene carbonate?
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The CAS number for (R)-(+)-Propylene carbonate is 16606-55-6, and its molecular formula is C4H6O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (R)-(+)-Propylene carbonate with an assay of 98% and an optical purity of 95% ee. We do not represent this product as USP, BP, or EP grade.
How should (R)-(+)-Propylene carbonate be handled safely?
+
Handle with care to avoid skin and eye irritation and respiratory tract irritation. Wear appropriate personal protective equipment, including eyeshields and gloves. Ensure adequate ventilation.
Is (R)-(+)-Propylene carbonate a controlled substance?
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Based on the provided data, (R)-(+)-Propylene carbonate is not indicated as a controlled or scheduled substance.
How is (R)-(+)-Propylene carbonate packed and shipped?
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(R)-(+)-Propylene carbonate is supplied in appropriate packaging for safe handling and export. Please contact TSS for specific shipping and export details.
How can I request a sample or quote for (R)-(+)-Propylene carbonate?
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To request a sample or quote, please contact Tech Serve Solutions directly via our website or sales department. Our team will assist you with your inquiry.
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