Molekula
Isoamyl nitrite
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Isoamyl nitrite is a volatile organic compound used primarily as a vasodilator in medical settings and as a reagent in organic synthesis. Chemists use it to prepare diazonium compounds, and it also serves as a scent ingredient in perfumes and as an industrial chemical. It is a clear, colorless liquid with a characteristic fruity odor. CAS: 110-46-3, molecular formula: (CH3)2CHCH2CH2ONO, molecular weight: 117.15 g/mol. Store at 2 to 8 °C. Hazard classification: Danger. Molekula supplies isoamyl nitrite from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £49.20 per pack ex VAT · £59.04 inc. VAT
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear to yellow liquid |
| Density | 0.86 - 0.88 |
| Water | ≤0.5% |
| Assay | ≥95.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Flash Point | -7 °C |
| Transport Class | 3 |
| Packing Group | II |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Yellowish, transparent liquid |
| Odour | Penetrating fragrant, somewhat fruity odor |
| Boiling Point | 99.2 °C |
| Density | 0.875 (relative, water = 1) |
| Vapour Pressure | 3.5 kPa at 20 °C |
| Refractive Index | 1.3918 |
Source: PubChem CID 8053 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 89967044 |
| CAS Number | 110-46-3 |
| IUPAC Name | 3-methylbutyl nitrite |
| EC Number | 203-770-8 |
| Molecular Formula | (CH3)2CHCH2CH2ONO |
| Molecular Weight | 117.15 |
| Exact Mass | 117.079 |
| SMILES | CC(C)CCON=O |
| InChIKey | OWFXIOWLTKNBAP-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H11NO2/c1-5(2)3-4-8-6-7/h5H,3-4H2,1-2H3 |
| PubChem CID | 8053 |
| UN Number | UN1113 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29209070 |
| Tariff Code | 2920907090 |
Safety & GHS
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Flammable
GHS02
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Corrosive
GHS05
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H225 Highly flammable liquid and vapour
- H302 Harmful if swallowed
- H314 Causes severe skin burns and eye damage
- H317 May cause an allergic skin reaction
- H332 Harmful if inhaled
- H341 Suspected of causing genetic defects
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P231+232 Handle under inert gas. Protect from moisture
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P304+312 IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 3-Methylbutanol nitrite
- 3-Methylbutyl nitrite
- Amilnitrite
- Aspiral
- Isopentyl alcohol, nitrite
- Isopentyl nitrite
- Nitrous acid, 3-methylbutyl ester
- Nitrous acid, isopentyl ester
- Pentanoli nitris
- Vaporole
Frequently asked questions
What is isoamyl nitrite used for?
Isoamyl nitrite is primarily used as a vasodilator in medical settings and as a reagent in organic synthesis.
What is the chemical formula and molecular weight of isoamyl nitrite?
The formula is (CH3)2CHCH2CH2ONO with a molecular weight of 117.15 g/mol.
How should isoamyl nitrite be stored?
It should be stored at 2 to 8 °C in a cool, dark place away from heat and light.
What grade of isoamyl nitrite does Molekula supply?
Molekula supplies isoamyl nitrite in reagent grade.
Can Molekula supply isoamyl nitrite in bulk?
Yes, Molekula can supply isoamyl nitrite in bulk quantities upon request.
What documentation comes with an order of isoamyl nitrite?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.