CompoundList
Sign in
Esters and lactones

Methacholine bromide

Also known as Mecholyl Bromide, Methacholini bromidum, 1-Propanaminium, 2-(acetyloxy)-N,N,N-trimethyl-, bromide

CAS 333-31-3Formula C8H18BrNO2Molar mass 240.14 g/molEC 206-372-2
GHS signal word: Warning. Pictograms: Harmful or irritant
Get quotes Safety data
Methacholine bromide chemical structure, C8H18BrNO2, CAS 333-31-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
333-31-3
Formula
C8H18BrNO2
Molar mass
240.14 g/mol
EC number
206-372-2
HS code
292390
Category
Esters and lactones

What is Methacholine bromide?

Plain description, key identifiers and synonyms

Methacholine bromide is a chemical substance with the molecular formula C8H18BrNO2 and a molar mass of 240.14 g/mol. Its CAS registry number is 333-31-3. The IUPAC name is 2-acetyloxypropyl(trimethyl)azanium bromide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-acetyloxypropyl(trimethyl)azanium bromide
CAS number
333-31-3 CAS number cross-checkedOther or deprecated CAS: 4350-27-0
EC number
206-372-2
Molecular formula
C8H18BrNO2
UNII
M73AI9718D
MDL number
MFCD00011816
InChIKey
MMVPLEUBMWUYIB-UHFFFAOYSA-M
InChI
InChI=1S/C8H18NO2.BrH/c1-7(11-8(2)10)6-9(3,4)5;/h7H,6H2,1-5H3;1H/q+1;/p-1
SMILES (canonical and isomeric)
CC(C[N+](C)(C)C)OC(=O)C.[Br-]

Synonyms

  • Mecholyl Bromide
  • Methacholini bromidum
  • 1-Propanaminium, 2-(acetyloxy)-N,N,N-trimethyl-, bromide
  • 2-Acetoxypropyltrimethylammonium bromid
  • 1-Propanaminium, 2-(acetyloxy)-N,N,N-trimethyl-, bromide (1:1)
  • Acetyl-beta-methylcholine bromide
  • 2-acetyloxypropyl(trimethyl)azanium, bromide
  • [2-(acetyloxy)propyl]trimethylazanium bromide
  • Acetyl-|A-methylcholine bromide
  • Methacholine (bromide)
  • 2-acetoxy-n,n,n-trimethylpropan-1-aminium bromide
  • C8H18BrNO2
  • Acetyl-|A-methylcholine bromide, 99%
  • 2-acetoxypropyl(trimethyl)ammonium, bromide
  • 1-methyl-2-(trimethylamino)ethyl acetate, bromide
  • 2-(Acetyloxy)-N,N,N-trimethylpropan-1-aminium bromide

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
240.14 g/molcalc.
Exact mass
239.0521 Dacalc.
LogP (octanol/water)
-2.35calc.
Topological polar surface area
26.3 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
3calc.
Heavy atoms
12calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.88calc.
Formal charge
0calc.
Stereocentres
1calc.
Components
2calc.
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
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (19)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • 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.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • 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.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Methacholine bromide suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

No supplier listings yet

Post one free request and suppliers who make or trade Methacholine bromide can send you quotes. Your contact details stay private until you accept a quote.

Request quotesSell this chemical

Methacholine bromide price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Inactive in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Methacholine bromide is traded under.

HS 2923.90Indicative HS code

Quaternary ammonium salts and hydroxides whether or not chemically defined not elsewhere classified…

World exports in 2024
$1.07B
+14.4% vs 2023, imports $1.16B
2019 to 2024
Top exporters
  1. China36.7%
  2. United States14.2%
  3. Netherlands9.4%
Top importers
  1. South Korea10.7%
  2. Germany10.1%
  3. United States9.9%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Methacholine bromide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Methacholine bromide, based on the data on this page

What is Methacholine bromide?

Methacholine bromide is a chemical substance with the molecular formula C8H18BrNO2 and a molar mass of 240.14 g/mol. Its CAS registry number is 333-31-3. The IUPAC name is 2-acetyloxypropyl(trimethyl)azanium bromide.

What is the CAS number of Methacholine bromide?

The CAS registry number of Methacholine bromide is 333-31-3. Other or deprecated CAS numbers: 4350-27-0.

What is the molecular formula and weight of Methacholine bromide?

The molecular formula of Methacholine bromide is C8H18BrNO2 and its molar mass is 240.14 g/mol.

What is Methacholine bromide used for?

Known uses and roles of Methacholine bromide include building blocks in research and laboratory.

Is Methacholine bromide hazardous?

Methacholine bromide carries the GHS signal word "Warning". Main hazards: harmful if swallowed, 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 Methacholine bromide?

Methacholine bromide is usually classified under HS code 292390 (Quaternary ammonium salts and hydroxides, lecithins and other phosphoaminolipids…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Methacholine bromide?

Post a free request on CompoundList and suppliers of Methacholine bromide will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Methacholine bromide?

Suppliers quote Methacholine bromide 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

Practical guides that help when you source, ship or handle Methacholine bromide

Get quotes for Methacholine bromide

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Methacholine bromide
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Methacholine bromide with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/methacholine-bromide-333-31-3" title="Methacholine bromide structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Esters and lactones or HS code 292390

Price on request
Free quotes, contact stays private
Get quotes