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Isoamyl nitrite

Also known as: Isopentyl nitrite, 3-Methylbutyl nitrite, Amyl nitrite, Nitrous acid 3-methylbutyl ester, Nitrous acid, 3-methylbutyl ester, 3-METHYLBUTYLNITRIT, ISOAMYL NITRITE (100 ML), ISOAMYLNITRIT, ISO-PENTYLNITRITE, Isoamyl nitrite, stabilized, Isoamyl nitrite, 96%, stabilized, Isoamyl nitrite, 97%, stabilized, Nitramyl, Isopentyl nitrite, stabilized with 0.2% anhyd. sodium carbonate, MFCD00002057, sopentyl nitrite

Isoamyl nitrite (CAS 110-46-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H11NO2 and a molecular weight of 117.146 g/mol. Key properties include a boiling point of 99.1±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 10.0±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
110-46-3
Jingsj CID
J-44654-8
Molecular Formula
C5H11NO2
Molecular Weight
117.146 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point99.1±9.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point10.0±0.0 °C
Exact Mass117.078979
PSA38.66000
LogP2.45
Vapor Pressure44.6±0.2 mmHg at 25°C
Refractive Index1.425
Additional Property<0.01 g/100 mL at 18 ºC

GHS Safety & Compliance

Flammable / Acute ToxicitySignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H331 — Toxic if inhaled

Frequently Asked Questions

What is the CAS number of Isoamyl nitrite?

The CAS number of Isoamyl nitrite is 110-46-3.

What are the molecular formula and molecular weight of Isoamyl nitrite?

Isoamyl nitrite has molecular formula C5H11NO2 and molecular weight 117.146 g/mol.

Is Isoamyl nitrite hazardous?

Isoamyl nitrite has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H331 — Toxic if inhaled.

What are the upstream and downstream products of Isoamyl nitrite?

For Isoamyl nitrite, Upstream Products: 3-Methyl-1-butanol, Benzene, [(3-methylbutoxy)methyl]-, Nitrous acid; Downstream Products: Phenibut, Ethyl thiazole-5-carboxylate, Diisoamylamine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Isoamyl nitrite (CAS 110-46-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44654-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.