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Carboxylic acids and anhydrides

Potassium methacrylate

Also known as 2-Propenoic acid, 2-methyl-, potassium salt, potassium 2-methylprop-2-enoate, Methacrylic acid, potassium salt

CAS 6900-35-2Formula C4H5KO2Molar mass 124.18 g/molEC 230-007-6
GHS signal word: Warning. Pictograms: Harmful or irritant 1 supplier listed
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Potassium methacrylate chemical structure, C4H5KO2, CAS 6900-35-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
6900-35-2
Formula
C4H5KO2
Molar mass
124.18 g/mol
EC number
230-007-6
HS code
291613
Category
Carboxylic acids and anhydrides

What is Potassium methacrylate?

Plain description, key identifiers and synonyms

Potassium methacrylate is a chemical substance with the molecular formula C4H5KO2 and a molar mass of 124.18 g/mol. Its CAS registry number is 6900-35-2. The IUPAC name is potassium 2-methylprop-2-enoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
potassium 2-methylprop-2-enoate
CAS number
6900-35-2 CAS number cross-checked
EC number
230-007-6
Molecular formula
C4H5KO2
UNII
Z61CR0UZVX
MDL number
MFCD00045884
InChIKey
LLLCSBYSPJHDJX-UHFFFAOYSA-M
InChI
InChI=1S/C4H6O2.K/c1-3(2)4(5)6;/h1H2,2H3,(H,5,6);/q;+1/p-1
SMILES (canonical and isomeric)
CC(=C)C(=O)[O-].[K+]

Synonyms

  • 2-Propenoic acid, 2-methyl-, potassium salt
  • potassium 2-methylprop-2-enoate
  • Methacrylic acid, potassium salt
  • 2-Propenoic acid, 2-methyl-, potassium salt (1:1)
  • potassium 2-methyl-2-propenoate
  • potassium, 2-methylprop-2-enoate
  • Potasium methacrylate
  • potassium methacrylate salt
  • Potassium methacrylate,98%
  • potassium,2-methylprop-2-enoate
  • Potassium Methacrylate pound K-MAA pound(c)

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
124.18 g/molcalc.
Exact mass
123.9927 Dacalc.
LogP (octanol/water)
-3.68calc.
Topological polar surface area
40.13 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
7calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.25calc.
Formal charge
0calc.
Stereocentres
0calc.
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

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • 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.
  • 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).
  • 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

Potassium methacrylate suppliers

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

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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

1 supplier in 1 country

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Potassium methacrylate 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.

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active 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 Potassium methacrylate is traded under.

HS 2916.13Indicative HS code

Methacrylic acid and its salts

World exports in 2024
$277M
+12.7% vs 2023, imports $265M
2019 to 2024
Top exporters
  1. South Korea26.6%
  2. Germany20.3%
  3. China18.0%
Top importers
  1. United States11.3%
  2. India * partner reported11.2%
  3. France * partner reported10.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Potassium methacrylate, based on the data on this page

What is Potassium methacrylate?

Potassium methacrylate is a chemical substance with the molecular formula C4H5KO2 and a molar mass of 124.18 g/mol. Its CAS registry number is 6900-35-2. The IUPAC name is potassium 2-methylprop-2-enoate.

What is the CAS number of Potassium methacrylate?

The CAS registry number of Potassium methacrylate is 6900-35-2.

What is the molecular formula and weight of Potassium methacrylate?

The molecular formula of Potassium methacrylate is C4H5KO2 and its molar mass is 124.18 g/mol.

Is Potassium methacrylate hazardous?

Potassium methacrylate carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Potassium methacrylate?

Potassium methacrylate is usually classified under HS code 291613 (Methacrylic acid and its salts). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Potassium methacrylate?

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

What is the price of Potassium methacrylate?

Suppliers quote Potassium methacrylate 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 Potassium methacrylate

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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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