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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 4093Generated: October 23, 2026

Methacrylic Acid

POLY(METHACRYLIC ACID) · Poly(methacrylic acid) Standard (Mw 20,000) · 90TV · POLYMETHACRYLATE · METHACRYLIC ACID POLYMER · anaerobicadhesive(gy-340) · anaerobicadhesive(gy-168) · Polymethacrylic Acid(PMAA)

https://huagongshe.com/en/chemical/4093

Methacrylic Acid molecular structure

Identifiers & Physical Properties

CAS No.25087-26-7
Molecular formulaC4H6O2
Average molar mass86.09 g/mol
Monoisotopic mass86.03677943 g/mol
SMILESC=C(C)C(=O)O
InChIKeyCERQOIWHTDAKMF-UHFFFAOYSA-N
PubChem CID4093
ChEMBLCHEMBL1213531
ChEBICHEBI:25219
EC No.201-204-4
DTXSIDDTXSID3025542

Chemical & Physical Properties

XLogP0.9
Topological polar surface area37.3
Hydrogen bond donors1
Hydrogen bond acceptors2
Rotatable bonds1
Heavy atoms6
Formal charge0
Complexity83
Melting point260-270 °C (decomp)
Density1.0 g/cm3
Storage conditions2-8°C
Physical statesuspension
pKa (acidity coefficient)5-6 (carboxylic group)
Major applicationsglass & ceramicindustrial qcpharmaceutical
Cosmetics Ingredients FunctionsFILM FORMINGVISCOSITY CONTROLLING
Surface tension41mN/m at 20°C
Indirect Additives used in Food Contact SubstancesPOLY(METHACRYLIC ACID), HOMOPOLYMER
FDA 21 CFR175.105175.300176.180
EWG's Food Scores1
EPA Substance Registry SystemMethacrylic acid homopolymer (25087-26-7)
UNSPSC Code41116107
NACRESNA.32
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH315
GHS precautionary statementsP264-P280-P302+P352-P321-P332+P313-P362
Personal protective equipment (PPE)Eyeshields, Gloves
Safety statements (S)24/25
Water hazard class (WGK)3
TSCA inventory statusTSCA listed
Storage class12 - Non Combustible Liquids

Safety & Regulations

Personal protective equipment (PPE)Eyeshields, Gloves
Water hazard class (WGK)3
TSCA inventory statusTSCA listed
Signal wordWarning
GHS pictogramGHS07
Safety statements (S)24/25
Storage class12 - Non Combustible Liquids
GHS hazard statementsH315
GHS precautionary statementsP264-P280-P302+P352-P321-P332+P313-P362

Applications & Uses

Uses

Used to qualify and check particle size equipment.Also used to:form self-assembled colloid structures for studying fluid dynamics of colloid mobility near a solid surfacefabricate polyelectrolyte-modified beads as an alternate option for conventional pretreatment process of electroless platingvalidate microfluidic device for density- and size-based microparticle separation