Ethyl nitrite solution
Ethyl nitrite solution (CAS: 109-95-5, Formula: C2H5ONO, MW: 75.07) is a volatile organic compound supplied by Tech Serve Solutions. This solution, typically 10-20% in ethanol, serves as a versatile reagent in organic synthesis. Its applications span various chemical transformations, making it a valuable building block for research and development in the chemical industry. Stored under refrigeration, it is a key intermediate for nitrogen compound synthesis.

Organic Synthesis Reagent
Ethyl nitrite solution is frequently employed as a reagent in organic synthesis. It is utilized for introducing the nitroso group into organic molecules, a crucial step in the preparation of various compounds.
Preparation of Heterocycles
The compound serves as a precursor in the synthesis of nitrogen-containing heterocyclic compounds. These structures are prevalent in pharmaceuticals and agrochemicals.
Intermediate for Diazonium Salts
It can be used in reactions leading to the formation of diazonium salts from primary amines. These intermediates are fundamental in dye synthesis and other organic transformations.
| Molecular weight | 75.07 |
|---|---|
| Linear formula | C2H5ONO |
| Density | 0.792 g/mL at 25 °C |
| Refractive index | n20/D 1.36 |
| Concentration | 10-20 wt. % in ethanol |
| Storage temperature | 2-8°C |

Hazard statements
- H225Highly flammable liquid and vapour
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 15 °C / 59 °F |
| Transport (UN / ADR) | UN 1194 3(6.1) / PGI |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11 |
| Safety statements (S) | 16 |
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 ethyl nitrite solution primarily used for?
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Ethyl nitrite solution (CAS: 109-95-5) is primarily used as a reagent in organic synthesis, particularly for introducing the nitroso group and in the preparation of diazonium salts and heterocyclic compounds.
What is the CAS number and formula for ethyl nitrite solution?
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The CAS number for ethyl nitrite solution is 109-95-5, and its chemical formula is C2H5ONO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies ethyl nitrite solution at a concentration of 10-20 wt. % in ethanol. TSS does not represent this product as USP, BP, or EP grade.
How should ethyl nitrite solution be handled safely?
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Ethyl nitrite solution is highly flammable (Flash Point: 15 °C) and carries a danger signal word with hazard statement H225. Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, in a well-ventilated area away from ignition sources.
How is ethyl nitrite solution packaged and exported?
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Ethyl nitrite solution is packaged according to international shipping regulations for hazardous materials. As a specialist global supplier, Tech Serve Solutions handles all necessary export documentation and compliance.
How can I request a quote or sample of ethyl nitrite solution?
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To request a quote or sample of ethyl nitrite solution, please use the contact form on our website or call our sales team directly. Please specify the quantity required and your delivery location.
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