Product Name：Sodium Methylallyl Sulfonate(SMAS)

Molecular Formula: C4H7SO3NA
Structural Formula:

CAS NO:1561-92-8

Molecular Weight:158.156

Physical and chemical properties: 270℃-280℃ are dissolving in water, but dissolving difficultly in alcohol ;Strong oxidant, decomposed into carbon monoxide, carbon dioxide and hydrogen sulfide etc, poisonous gases.

Index:

Analysis Items	Index	Analysis Items	Index
Aqueous Solution	Transparence	Na2SO3	≤0.02%
Content	＞99.5%	H2O	≤0.5%
Cl-	≤0.035%	Chroma	≤10
Fe2+	≤0.4ppm

Function:

(1) As the third monomer of acrylic, this product can improve the dyeing properties, the heat resistance and flexibility of fibers, so they can absorb color fast and have strong fastness and bright color.

(2)As a monomer of corrosion and scale inhibitors, this product can be used in water treatment chemicals. It can polymerize with acrylic acid, acrylamide, maleic anhydride, sodium hypophosphite and has good scale inhibition effects for calcium phosphate, zinc salts, carbonate calcium and calcium sulfate.

(3) As an oil field chemical, it can polymerize with acrylamide, acrylic acid, sodium humate, acrylamido propyl trimethyl ammonium chloride, acrylamido-ethyl-2-methyl ammonium chloride, diethyl diallyl ammonium chloride, allyl trimethyl ammonium chloride to be dispersants, fluid loss agent and have remarkable effect in anti-high temperature and salt. (4) It can be used as a high-powered water reducer of poly carboxylic acid to low the water added of products and retard well.

(5) As a paint additive, it can be used to produce thermosetting acrylic resin and coating dispersant to increase the water-solubility.

(6) As a monomer of flocculant, it can polymerize with acrylamide.

(7) It can polymerize with methyl acrylic acid, itaconic acid to be a dispersant.

(8) It can be used to make CPPL and high water-absorbing resin in electronics and materials processing.

(9) It can polymerize with sodium acrylate, styrene-acrylic emulsion, polyvinyl alcohol to improve fertilizer about red soil and strengthen absorb ammonium ion, nitrateion.

(10) It can be used for the third oil displacement agent.

(11) As one dry strength agent of papermaking additives, it can improve the quality of the paper.

(12) It could be used as the plasticizer of cement admixture.

Packing: 20kg/bag in a PP woven bag with PE inner liner; 500kg/bag; or according to the user.

Attention: 1) This product is hazardous to health. It irritates the eyes, skin and respiratory system, prevent inhalation and ingestion of this product, avoid contact it with skin and clothing. 2) Rain proof, wet proof and proof of the exposure to sunlight when transportation. 3) Stored in a dry and cool place.

甲基丙烯磺酸钠 产品名称：甲基丙烯磺酸钠（SMAS), 甲代烯丙基磺酸钠

分子式：C4H7SO3NA

结构式：

CAS NO.: 1561-92-8

分子量：158.156

理化性质:白色结晶性粉末.熔点: 270℃-280℃.可溶于水, 难溶于酒精, 为强氧化剂, 燃烧后会分解为一氧化碳, 二氧化碳, 硫氧化物等有毒气体.

分析项目	指标	分析项目	指标
水溶液	透明	亚硫酸钠	≤0.02%
含 量	>99.50%	水份	≤0.5%
氯化物	≤0.035%	色度	≤10
铁	≤0.4ppm

技术指标：
用途说明：

1. 用于聚羧酸高性能减水剂 ，和马来酸酐聚乙二醇单甲醚，甲基丙烯酸等进行复配，使产品添加量低，减水率高，缓凝性好，不沁水。

2. 用在水处理药剂中，做缓蚀阻垢剂的单体，和丙烯酸、丙烯酰胺、马来酸酐，次磷酸钠，醋酸乙烯酯等共聚，对磷酸钙，锌盐，碳酸钙和硫酸钙等有良好的阻垢效果。

3. 用于石油化学品，和丙烯酰胺、丙烯酸、丙烯酰胺基丙基三甲基氯化铵、丙烯酰胺基乙基二甲基氯化铵、二乙基二烯丙基氯化铵、烯丙基三甲基氯化铵等共聚，可做分散剂，降滤失剂，抗高温、抗盐效果显著。

4. 用作腈纶第三单体，改善纤维的染色性能，使之吸色快，牢度强，颜色鲜艳，并能改善纤维的耐热性和弹性。

5. 用作涂料助剂，生产热固性丙烯酸树脂，和涂料分散剂，增加水溶性。

6. 做絮凝剂的一种单体，和丙烯酰胺共聚。

7. 和甲基丙烯酸，衣康酸共聚可做分散剂。

8. 用于电子及材料加工，做单离子梳状电解质膜（CPPL）, 高吸水树脂。

9. 用于土壤改良，和丙烯酸钠、苯丙乳液、聚乙烯醇等聚合增加赤红壤保肥性，对铵离子、硝酸根离子吸附性很强。

10. 用于油田三次采油驱油剂。

11. 用于造纸助剂中的干强剂，增加产品质量强度。

12. 用于水泥外加剂中的保塑剂。

包装：
本品采用20kg/袋（内塑外编袋）；500kg/袋；或者按照客户要求包装。

注意事项：

1）本品对人体有害，刺激眼睛、皮肤和呼吸系统。防止吸入、摄入本品，避免本品接触皮肤及衣物。 2）运输时应防雨、防潮、防日光曝晒。

3）应储藏在干燥凉爽处。