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Aliphatic and alicyclic building blocks

Propyl nitrite

Also known as n-Propyl nitrite, Nitrous acid, propyl ester, n-Propyl-nitrite

CAS 543-67-9Formula C3H7NO2Molar mass 89.09 g/molEC 208-848-5
GHS signal word: Danger. Pictograms: Flammable, Acute toxicity (severe), Harmful or irritant 1 supplier listed
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Propyl nitrite chemical structure, C3H7NO2, CAS 543-67-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
543-67-9
Formula
C3H7NO2
Physical form
Liquid
HS code
294200
Category
Aliphatic and alicyclic building blocks
UN number
UN 2351
Illustrative photo, 25 litre white jerry cans of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Propyl nitrite?

Plain description, key identifiers and synonyms

Propionitrite appears as a colorless liquid with a sweet, ethereal odor. Highly toxic by inhalation and ingestion. A dangerous fire risk. Used as a solvent and as a dielectric fluid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
propyl nitrite
CAS number
543-67-9 CAS number cross-checked
EC number
208-848-5
Molecular formula
C3H7NO2
UNII
ML3G2M13HZ
InChIKey
KAOQVXHBVNKNHA-UHFFFAOYSA-N
InChI
InChI=1S/C3H7NO2/c1-2-3-6-4-5/h2-3H2,1H3
SMILES (canonical and isomeric)
CCCON=O

Synonyms

  • n-Propyl nitrite
  • Nitrous acid, propyl ester
  • n-Propyl-nitrite
  • n-C3H7ONO
  • 1-Propyl nitrite
  • Propyl nitrite, n-
  • 4-01-00-01424 (Beilstein Handbook Reference)
  • Propanol nitrite
  • Nitrous acid, n-propyl ester

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Liquidexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
89.09 g/molcalc.
Exact mass
89.0477 Dacalc.
LogP (octanol/water)
1.09calc.
Topological polar surface area
38.66 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
3calc.
Heavy atoms
6calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H225Highly flammable liquid and vapour.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H330Fatal if inhaled.
  • H335May cause respiratory irritation.
Precautionary statements (29)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P284In case of inadequate ventilation wear respiratory protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P319Get medical help if you feel unwell.
  • P320Specific treatment is urgent (see supplemental first aid instructions on the label).
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 2351

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Propyl nitrite suppliers

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Where suppliers are based

1 supplier in 1 country

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Propyl nitrite price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Propyl nitrite is traded under.

HS 2942.00Indicative HS code

Organic compounds not elsewhere classified in chapter 29

World exports in 2024
$589M
−43.5% vs 2023, imports $614M
2019 to 2024
Top exporters
  1. India * partner reported20.7%
  2. United States18.6%
  3. Italy10.4%
Top importers
  1. United States15.1%
  2. Italy6.7%
  3. Japan5.3%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Propyl nitrite is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Propyl nitrite, based on the data on this page

What is Propyl nitrite?

Propionitrite appears as a colorless liquid with a sweet, ethereal odor. Highly toxic by inhalation and ingestion. A dangerous fire risk. Used as a solvent and as a dielectric fluid.

What is the CAS number of Propyl nitrite?

The CAS registry number of Propyl nitrite is 543-67-9.

What is the molecular formula and weight of Propyl nitrite?

The molecular formula of Propyl nitrite is C3H7NO2 and its molar mass is 89.09 g/mol.

What is Propyl nitrite used for?

Known uses and roles of Propyl nitrite include building blocks in research and laboratory.

Is Propyl nitrite hazardous?

Propyl nitrite carries the GHS signal word "Danger". Main hazards: highly flammable liquid and vapour, causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Propyl nitrite?

Propyl nitrite is usually classified under HS code 294200 (XIII. OTHER ORGANIC COMPOUNDS, other organic compounds). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Propyl nitrite?

CompoundList lists 1 supplier of Propyl nitrite in India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Propyl nitrite in India?

1 supplier in India list Propyl nitrite on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Propyl nitrite?

Suppliers quote Propyl nitrite on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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