聚甲基丙烯酸钠

Description

Sodium polymethacrylate · CAS 54193-36-1 · C4H5NaO2. UNII SU3SU355NB.

Identification

CAS Registry Number	54193-36-1
PubChem CID	3255932
Molecular formula	C4H5NaO2
IUPAC name	sodium 2-methylprop-2-enoate
UNII (FDA)	SU3SU355NB

Computed Descriptors

Molecular Weight	108.07
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	1
Exact Mass	108.01872368
Monoisotopic Mass	108.01872368
Topological Polar Surface Area	40.1
Heavy Atom Count	7
Formal Charge	0
Complexity	87.7

Physical description & handling notes

• White odorless powder; [MSDSonline]
• Soluble in water
• METHYL METHACRYLATE, AND IN GENERAL THE METHACRYLIC ESTERS, POLYMERIZE MUCH LESS READILY THAN THE CORRESPONDING ORDINARY ACRYLATES. NONE THE LESS, THEY ARE STABILIZED BY ADDING HYDROQUINONE OR PYROGALLOL, PARTICULARLY IN THE PRESENCE OF METALLIC COPPER. /METHACRYLATES/

Regulatory Status

GHS notification summary	52.7% (108 / 205)

GHS Hazard Classification

GHS notification summary	52.7% (108 / 205)
Reported hazard statements	H302 (24.9%), H311 (24.9%), H314 (24.9%), H315 (22.4%), H318 (24.9%), H319 (22.4%), H332 (24.9%), H335 (46.8%)

Documented Uses

• Used in resins and as a chemical intermediate; [Hawley]
• Plastic Composites Manufacturing [Category: Industry]
• In resins; chemical intermediate
• 2-Propenoic acid, 2-methyl-, sodium salt (1:1): ACTIVE
• Poly Na methacrylate is a component of liquid mouthwash products used to inhibit corrosion and promote acid resistance.

Synonyms

SODIUM METHACRYLATE; 5536-61-8; 2-Propenoic acid, 2-methyl-, sodium salt; Methacrylic acid, sodium salt; Sodium 2-methyl-2-propenoate; SU3SU355NB; DTXSID9044823; 2-Methyl-2-propenoic acid, sodium salt; AI3-52402; 2-Propenoic acid, 2-methyl-, sodium salt (1:1); DTXCID7024823; RefChem:183978; 226-896-5; PMA-Na; Methacrylic acid sodium salt; sodium 2-methylprop-2-enoate

Frequently Asked Questions

What are the CAS number and molecular formula of Sodium polymethacrylate?

CAS 54193-36-1; molecular formula C4H5NaO2; molecular weight — g/mol.

What other names is Sodium polymethacrylate known by?

SODIUM METHACRYLATE, 5536-61-8, 2-Propenoic acid, 2-methyl-, sodium salt, Methacrylic acid, sodium salt, Sodium 2-methyl-2-propenoate, SU3SU355NB.

Is Sodium polymethacrylate classified as hazardous?

52.7% of GHS notifications report no hazard classification (108 of 205).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.