1,1-Bis(hydroxymethyl)cyclopropane
1,1-Bis(hydroxymethyl)cyclopropane (CAS: 39590-81-3) is a cyclopropane derivative with the linear formula (HOCH2)2C3H4 and a molecular weight of 102.13 g/mol. This organic compound, featuring two hydroxymethyl groups attached to a cyclopropane ring, serves as a valuable building block in organic synthesis. Its structure makes it useful for introducing the cyclopropane moiety into larger molecules, finding applications in the development of novel chemical entities and materials.
- IUPAC
- Cyclopropanedimethanol
- Synonyms
- (HOCH2)2C3H4Cyclopropanedimethanol

Organic Synthesis Intermediate
Utilised as a versatile building block in the synthesis of complex organic molecules. Its unique cyclopropane structure can impart specific conformational properties to target compounds.
Polyol Synthesis
Serves as a precursor or component in the synthesis of specialised polyols. These can be further processed into polymers or other functional materials.
Research and Development
Employed in academic and industrial research laboratories for exploring new reaction pathways and developing novel chemical entities. Its functional groups allow for diverse chemical transformations.
| Molecular weight | 102.13 |
|---|---|
| Linear formula | (HOCH2)2C3H4 |
| Assay | 90% |
| Boiling point | 235-236 °C(lit.) |
| Density | 1.065 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4700(lit.) |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 110 °C / 230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| 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 1,1-Bis(hydroxymethyl)cyclopropane used for?
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1,1-Bis(hydroxymethyl)cyclopropane is primarily used as a building block in organic synthesis and for the development of specialised polyols. It is also utilised in research and development for creating novel chemical entities.
What are the CAS number and formula for 1,1-Bis(hydroxymethyl)cyclopropane?
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The CAS number is 39590-81-3, and the linear formula is (HOCH2)2C3H4.
What grade and purity does Tech Serve Solutions supply for 1,1-Bis(hydroxymethyl)cyclopropane?
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Tech Serve Solutions supplies 1,1-Bis(hydroxymethyl)cyclopropane with an assay of 90%. This is a technical/research grade, and TSS does not represent it as USP, BP, or EP grade.
How should 1,1-Bis(hydroxymethyl)cyclopropane be handled safely?
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1,1-Bis(hydroxymethyl)cyclopropane is classified as a warning substance (GHS07) and causes serious eye irritation (H319). Handling requires appropriate personal protective equipment, including eyeshields and gloves. Consult the Safety Data Sheet for detailed handling procedures.
Is 1,1-Bis(hydroxymethyl)cyclopropane available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 1,1-Bis(hydroxymethyl)cyclopropane, and can facilitate international orders.
How can I request a quote or sample for 1,1-Bis(hydroxymethyl)cyclopropane?
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To request a quote or sample, please use the contact form on our website or reach out to our sales department directly with your inquiry.
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