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Product Description
2-METHYL-2-PROPENE-1-SULFONIC ACID SODIUM SALT CAS#1561-92-8
Sodium Methallylsulfonate (SMAS for short) is a functional monomer containing sulfonic acid groups. It is usually a white crystalline powder or granular crystal, and some products are white flaky. It has no obvious odor and its aqueous solution is transparent.
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) |
Safety Information |
Hazard Codes | Xi |
Risk Statements | 36/37/38-43 |
Safety Statements | 26-36/37 |
WGK Germany | 1 |
HS Code | 2904.10.5000 |
Product Usage
Sodium methylpropenesulfonate, as a functional monomer containing sulfonic acid groups, is mainly used in the production of polycarboxylate concrete water reducers to enhance the performance of concrete. It can also be used as the third monomer in the production of acrylic fibers to improve the dyeing and heat resistance of fibers.
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