2-Acrylamido-2-methyl-1-propanesulfonic acid sodium salt

Synonym(s):2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid sodium;Sodium 2-acrylamido-2-methyl-1-propanesulfonate;Sodium acryloyldimethyltaurate

CAS NO.：5165-97-9
Empirical Formula: C7H14NNaO4S
Molecular Weight: 231.24
MDL number: MFCD00156481
EINECS: 225-948-4
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-12 09:22:35

2-Acrylamido-2-methyl-1-propanesulfonic acid sodium salt Structural

What is 2-Acrylamido-2-methyl-1-propanesulfonic acid sodium salt?

The Uses of 2-Acrylamido-2-methyl-1-propanesulfonic acid sodium salt

AMPSNa can be used in the formation of polyelectrolyte copolymer gels for potential application in bioengineering, biomedicine and water purification. It can also be used in the fabrication of Schottky diodes, humidity sensors, and lithium ion batteries.

What are the applications of Application

The most common industrial applications of 2-Acrylamido-2-methyl-1-propanesulfonic acid sodium salt are in adhesives to improve pressure-sensitive formulation strength, in water treatment to inhibit calcium, magnesium, and silica scale formation, in personal care products for making diapers, in the textile industry as textile sizing agent and a non-woven emulsion binder, in oil fields as a friction reducer, in acrylic fiber to provide dye receptivity and in the construction site to inhibit fluid loss.

General Description

2-Acrylamido-2-methyl-1-propanesulfonic acid sodium salt (AMPSNa) is a hydrophilic compound that can be used as a dopant and a protonating agent for conducting polymers. It is used in a variety of electronic applications.

Properties of 2-Acrylamido-2-methyl-1-propanesulfonic acid sodium salt

Boiling point:	110℃ at 101.325kPa
Density	1.2055 g/mL at 25 °C(lit.)
vapor pressure	0Pa at 25℃
refractive index	n20/D 1.4220(lit.)
Specific Gravity	1.206
Hydrolytic Sensitivity	0: forms stable aqueous solutions
InChI	InChI=1S/C7H13NO4S.Na.H/c1-4-6(9)8-7(2,3)5-13(10,11)12;;/h4H,1,5H2,2-3H3,(H,8,9)(H,10,11,12);;
EPA Substance Registry System	1-Propanesulfonic acid, 2-methyl-2-[(1-oxo-2-propenyl)amino]-, monosodium salt (5165-97-9)

Safety information for 2-Acrylamido-2-methyl-1-propanesulfonic acid sodium salt

Computed Descriptors for 2-Acrylamido-2-methyl-1-propanesulfonic acid sodium salt

InChIKey	ZXSJYPBSPMLZIH-UHFFFAOYSA-N
SMILES	C(S(O)(=O)=O)C(C)(C)NC(=O)C=C.[NaH]

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