2-Acrylamide-2-methylpropanesulfonic acid

CAS No.：15214-89-8

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2-Acrylamide-2-methylpropanesulfonic acid Basic information

Product Name:	2-Acrylamide-2-methylpropanesulfonic acid
Synonyms:	1-Propanesulfonicacid,2-methyl-2-[(1-oxo-2-propenyl)amino]-;2-Acrylamido-2-methyl-1-propane;2-acrylamido-2-methylpropanesulfonate;1-Propanesulfonic acid, 2-methyl-2-[(1-oxo-2-propen-1-yl)amino]-;2-ACRYLAMIDE-2-METHYLPROPANESULFONIC ACID;2-ACRYLAMIDO-2-METHYL-1-PROPANESULFONIC ACID;2-ACRYLAMIDO-2-METHYLPROPANESULFONIC ACID;2-ACRYLAMIDO-2-METHYLPROPANESULPHONIC ACID
CAS:	15214-89-8
MF:	C7H13NO4S
MW:	207.25
EINECS:	239-268-0
Product Categories:	Organic Chemicals;Industrial/Fine Chemicals;monomer;Acrylamide and Methacrylamide;Acrylic Monomers;Monomers;bc0001
Mol File:	15214-89-8.mol

2-Acrylamide-2-methylpropanesulfonic acid Chemical Properties

Melting point	195 °C (dec.) (lit.)
density	1.45
vapor pressure	<0.0000004 hPa (25 °C)
refractive index	1.6370 (estimate)
Fp	160 °C
storage temp.	Store below +30°C.
solubility	>500g/l soluble
pka	1.67±0.50(Predicted)
form	solution
color	White
Water Solubility	1500 g/L (20 ºC)
Sensitive	Hygroscopic
BRN	1946464
Stability:	Light Sensitive
InChIKey	HNKOEEKIRDEWRG-UHFFFAOYSA-N
LogP	-3.7 at 20℃ and pH1-7
Surface tension	70.5mN/m at 1g/L and 20℃
Dissociation constant	2.4 at 20℃
CAS DataBase Reference	15214-89-8(CAS DataBase Reference)
EPA Substance Registry System	1-Propanesulfonic acid, 2-methyl-2-[(1-oxo-2-propenyl)amino]- (15214-89-8)

Safety Information

Hazard Codes	C,Xn
Risk Statements	34-21/22-41-37-20/22
Safety Statements	26-36/37/39-45-22
RIDADR	UN 2585 8/PG 3
WGK Germany	1
RTECS	TZ6658000
TSCA	Yes
HazardClass	8
PackingGroup	III
HS Code	29241900
Toxicity	LD50 orally in Rabbit: 1000 - 2000 mg/kg

MSDS Information

Provider	Language
2-Acrylamide-2-methylpropanesulfonic acid	English
ACROS	English
SigmaAldrich	English
ALFA	English

2-Acrylamide-2-methylpropanesulfonic acid Usage And Synthesis

Chemical Properties	2-Acrylamide-2-methylpropanesulfonic acid is a white crystals. The melting point is 195°C (decomposition). Soluble in water, the solution is acidic. Soluble in dimethylformamide, partially soluble in methanol, ethanol, insoluble in acetone. Slightly sour.
Uses	2-Acrylamide-2-methylpropanesulfonic acid has good complexion, adsorption, biological activity, surface activity, hydrolysis stability and thermal stability. It can be used in oil chemical, water treatment, synthetic fiber, printing and dyeing, plastics, water absorbing coatings, paper, bio-medical, magnetic materials and cosmetics industries.
Preparation	2-Acrylamido-2-methylpropanesulfonic acid(AMPS) can be synthesized by one step and two steps. The one-step method is to react the raw materials acrylonitrile, isobutylene and oleum together. The two-step method is to sulfonate isobutylene in the presence of a reaction solvent to obtain a sulfonated intermediate, and then react with acrylonitrile in the presence of sulfuric acid. One-step method is more economical. Raw material consumption quota: isobutylene 300kg/t, acrylonitrile 290kg/t, oleum 560kg/t.
Application	2-Acrylamide-2-methylpropanesulfonic acid is an important monomer. Its copolymers or homopolymers with different molecular weight can be widely used in textile, oil drilling, water treatment, papermaking, dying, coating, cosmetics, electronics, etc. because of its unique formular structure—containing sulfonic acid group and unsaturated radical, thus showing excellent properties in many aspects.

2-Acrylamide-2-methylpropanesulfonic acid Preparation Products And Raw materials

Raw materials	Sulfuric acid-->Acetic acid-->FUMING SULFURIC ACID-->Acrylonitrile-->Isobutylene-->PROPYLENE-->Sulfuric acid fuming 20%
Preparation Products	2-ACRYLAMIDO-2-METHYL-1-PROPANESULFONIC ACID SODIUM SALT-->N-TERT-BUTYLACRYLAMIDE

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