2-METHYL-2-PROPENE-1-SULFONIC ACID SODIUM SALT CAS#1561-92-8

Functional Sulfonic Monomer – Sodium Methallylsulfonate (SMAS) contains active sulfonic acid groups, making it highly effective for specialty polymer synthesis.
High Purity Appearance – Available as a white crystalline powder, granular crystal, or white flakes, ensuring consistent product quality.
Odorless and Easy to Handle – With no obvious odor, it is convenient for industrial processing and formulation use.
Clear Aqueous Solution – Forms a transparent solution in water, supporting excellent solubility and compatibility in water-based systems.

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Product Details

2-Methyl-2-Propene-1-Sulfonic Acid Sodium Salt (CAS#1561-92-8)

Sodium Methallylsulfonate (SMAS) is a functional monomer containing sulfonic acid groups. It is typically available as a white crystalline powder, granular crystal, or in some cases white flakes. The product has no noticeable odor, and its aqueous solution is clear and transparent.

2-METHYL-2-PROPENE-1-SULFONIC ACID SODIUM SALT CAS#1561-92-8

2-METHYL-2-PROPENE-1-SULFONIC ACID SODIUM SALT Chemical Properties

Melting point	>300 °C(lit.)
density	1.59[at 20℃]
vapor pressure	0Pa at 20℃
storage temp.	Inert atmosphere,Room Temperature
form	powder to crystal
color	White to Almost white
Water Solubility	523g/L at 20℃
InChI	InChI=1S/C4H8O3S.Na.H/c1-4(2)3-8(5,6)7;;/h1,3H2,2H3,(H,5,6,7);;
InChIKey	JJJRVJPTNNJLLQ-UHFFFAOYSA-N
SMILES	C(C(=C)C)S(O)(=O)=O.[NaH]
LogP	-3.74 at 20℃
CAS DataBase Reference	1561-92-8(CAS DataBase Reference)
EPA Substance Registry System	Sodium methallylsulfonate (1561-92-8)
Hazard Codes	Xi
Risk Statements	36/37/38-43
Safety Statements	26-36/37
WGK Germany	1
HS Code	2904.10.5000

2-METHYL-2-PROPENE-1-SULFONIC ACID SODIUM SALT CAS#1561-92-8

Product Usage

Sodium methylpropenesulfonate, as a functional monomer containing sulfonic acid groups, is primarily used in the production of polycarboxylate concrete water reducers to improve concrete performance. It can also serve as a third monomer in the manufacture of acrylic fibers, enhancing the dyeability and heat resistance of the fibers.

2-METHYL-2-PROPENE-1-SULFONIC ACID SODIUM SALT CAS#1561-92-8