Products
2-Acrylamide-2-methylpropanesulfonic acid
Another name：
CasNo:
15214-89-8
Purity：
AR 98%
Molecular Structure：
C7H13NO4S
2-Acrylamide-2-methylpropanesulfonic acid Basic Product Information
| Product Name | 2-Acrylamide-2-methylpropanesulfonic acid | CAS | 15214-89-8 |
| Synonyms | 1-Propanesulfonicacid, 2-acrylamido-2-methyl- (8CI);1-Propanesulfonic acid, 2-methyl-2-[(1-oxo-2-propenyl)amino]-(9CI);2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid;AMPS(sulfonic acid);Acrylamidomethylpropanesulfonic acid;TBAS-Q;tert-Butylacrylamidosulfonic acid; | Molecular Formula | C7H13NO4S |
| EINECS Number | 239-268-0 | Molecular Structure | |
| Appearance | Light Yellow Powder |
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| Purity | AR 98% | ||
| Supply Ability | |||
2-Acrylamide-2-methylpropanesulfonic acid Quality documents
2-Acrylamide-2-methylpropanesulfonic acid Appearance/Package/Shipping/Storage
package
storage condition
Store in cool & dry place,Keep away from strong light and heat
2-Acrylamide-2-methylpropanesulfonic acid Application
2-Acrylamide-2-methylpropanesulfonic acid literature
NEW METHOD FOR PRODUCING 2-ACRYLAMIDO-2-METHYLPROPANE SULPHONIC ACID
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Paragraph 0123-0144, (2020/02/10)
The present invention relates to a production process for 2-acrylamido-2-methylpropane sulfonic acid including at least the following successive steps: 1) mixing of acrylonitrile with at least one compound contributing SO3 at a temperature included between ?80 and 30° C.;2) placing in contact and mixing isobutylene and the sulfonating mixture with a molar ratio of SO3 to isobutylene included between 0.2:1 and 2:1 and a molar ratio of acrylonitrile to isobutylene included between 3:1 and 60:1 at a temperature included between ?40 and 100° C.;3) solid/liquid separation of the reaction mixture and isolation of the solid particles in the form of a composition 1;4) mixing composition 1 at the end of step 3) with an aqueous solution A included at a temperature comprised between ?20 and 70° C. in order to obtain a suspension 1 of 2-acrylamido-2-methylpropane sulfonic acid crystals;5) solid/liquid separation of the suspension 1 and isolation of the crystals in form of composition 2.
HYDRATED CRYSTALLINE FORM OF 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID
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Paragraph 0194-0196, (2020/02/15)
The present invention relates to a hydrated crystalline form of 2-acrylamido-2-methylpropane sulfonic acid having a 2-theta powder X-ray diffraction diagram comprising peaks at 10.58°, 11.2°, 12.65°, 13.66°, 16.28°, 18.45°, 20°, 20.4°, 22.5°, 25.5°, 25.88°, 26.47°, 28.52°, 30.28°, 30.8°, 34.09°, 38.19°, 40.69°, 41.82°, 43.74°, 46.04° degrees (+/?0.1°). The present invention also relates to a production method for this form of 2-acrylamido-2-methylpropane sulfonic acid and a preparation method for an aqueous solution A of a salt of this form of 2-acrylamido-2-methylpropane sulfonic acid, and the (co)polymer of this form of -acrylamido-2-methylpropane sulfonic acid.
A 2 - acrylamide - 2 - methyl (alkanes) sulfonic acid
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Paragraph 0025; 0026; 0027; 0028; 0029-0045; 0052, (2018/04/03)
The invention relates to a preparation method of 2-acrylamido-2-methylpropane sulfonic acid, and belongs to the field of organic synthesis and preparation. The preparation method comprises the steps of (1) adding acrylonitrile in a liquid-preparing kettle, cooling, and adding fuming sulfuric acid to obtain a mixed solution of acrylonitrile and sulfuric acid; (2) transferring partial mixed solution into a feed tank with a constant temperature for use, adding the residual mixed solution into a reaction kettle, adding an organic acid, heating, introducing isobutene, adding the standby mixed solution of acrylonitrile and sulfuric acid and controlling a temperature, a feed time and speed; (3) when isobutene is completely introduced, stirring while keeping the temperature, cooling, centrifuging or filtering to separate coarse crystals of a generated product and pumping a filtrate into a storage tank; (4) mixing the coarse crystals of the product with acrylonitrile under stirring, separating by centrifugation, drying in vacuum to obtain a product of 2-acrylamido-2-methylpropane sulfonic acid and pumping the filtrate into the storage tank; and (5) merging the filtrates, contacting the mixed filtrate with quicklime, and distilling to recycle acrylonitrile. The product provided by the invention has high purity and high polymerization activity and is liable to obtain a polymer with relatively high molecular weight.
METHOD FOR PRODUCING THE 2-ACRYLAMIDO-2-METHYLPROPANE SULFONIC ACID MONOMER AND POLYMER COMPRISING SAID MONOMER
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Paragraph 0057; 0060; 0058; 0059; 0060, (2018/09/16)
The invention relates to a method for producing 2-acrylamido-2-methylpropane sulfonic acid. Said method consists in reacting together acrylonitrile, fuming sulfuric acid and isobutylene. It is characterized in that the isobutylene contains less than 1000 ppm of butadiene and less than 1000 ppm of butene.
2-Acrylamide-2-methylpropanesulfonic acid Upstream and downstream
15214-89-8 Upstream product
107-13-1
acrylonitrile
115-11-7
isobutene
15214-89-8 Downstream Products
58374-69-9
ammonium acryloyldimethyltaurate
1161027-41-3
benzyltributylammonium 2-acrylamido-2-methyl-1-propanesulfonate
5165-97-9
sodium 2-acrylamido-2-methylpropane-1-sulfonate
107-58-4
N-tert-Butylacrylamide
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