Propyl formate
Propyl formate (CAS 110-74-7), with the linear formula HCOOCH2CH2CH3 and a molecular weight of 88.11 g/mol, is a flammable liquid primarily utilised as a building block in chemical synthesis. It falls under the categories of esters and carbonyl compounds. Propyl formate has demonstrated utility in radical generation methods for synthesising specific organic radicals. TSS supplies this chemical with a purity of 97%.
- IUPAC
- n-Propyl methanoate
- Synonyms
- n-Propyl methanoateFormic acid, propyl ester

Chemical Synthesis Intermediate
Propyl formate serves as a valuable intermediate in organic synthesis. Its structure lends itself to various reactions, enabling the construction of more complex molecules within research and development settings.
Radical Generation Studies
This compound has been employed in specific radical-generating methods, such as those involving TiCl3/H2O2, to synthesise defined radical species like CH3CH2CHOCHO, CH3CHCH2OCHO, and CH2CH2CH2OCHO.
Ester Chemistry
As an ester, propyl formate participates in reactions characteristic of this functional group, including hydrolysis and transesterification, making it a versatile reagent in ester chemistry research.
| Molecular weight | 88.11 |
|---|---|
| Linear formula | HCOOCH2CH2CH3 |
| Assay | 97% |
| Boiling point | 80-81 °C(lit.) |
| Density | 0.904 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.375(lit.) |
| Solubility | water: soluble45 part(lit.)alcohol: miscible(lit.)diethyl ether: miscible(lit.) |
| Melting point | −93 °C(lit.) |
| Vapour pressure | 100 mmHg (29.5 °C)50 mmHg (20 °C) |
| Vapour density | 3.03 (vs air) |
| Autoignition temp | 851 °F |
| Application | Propyl formate was used in the synthesis of the radicals - CH3CH2CHOCHO, CH3CHCH2OCHO, and CH2CH2CH2OCHO by TiCl3.H2O2 radical-generating method1. |


Hazard statements
- H225Highly flammable liquid and vapour
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H336May cause drowsiness or dizziness
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | -3 °C / 26.6 °F |
| Transport (UN / ADR) | UN 1281 3 / PGII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-36/37-67 |
| Safety statements (S) | 9-16-24-33 |
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 Propyl formate used for?
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Propyl formate is primarily used as a building block in chemical synthesis and has been employed in radical generation studies to synthesise specific organic radicals.
What is the CAS number and formula for Propyl formate?
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The CAS number for Propyl formate is 110-74-7 and its linear formula is HCOOCH2CH2CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Propyl formate with a minimum purity of 97%. This is a technical/research grade material, and TSS does not represent it as USP, BP, or EP.
How should Propyl formate be handled safely?
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Propyl formate is a highly flammable liquid and vapour (H225). It can cause serious eye irritation (H319) and may cause respiratory irritation or drowsiness and dizziness (H335, H336). Always handle in a well-ventilated area, away from ignition sources, wearing appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator.
How is Propyl formate packed and exported?
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Propyl formate is shipped as a UN 1281, Class 3, Packing Group II hazardous material, complying with all relevant transport regulations for flammable liquids.
How can I request a quote or sample?
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To request a quote or sample of Propyl formate, please contact our sales team via the website or direct email, providing your specific requirements.
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