Poly(sodium acrylate) 聚丙烯酸钠盐
CAS 9003-04-7 MFCD00147949
化学结构图
SMILES: C=CC(=O)[O-].[Na+]
化学属性
| Mol. Weight | N/A |
|---|---|
| Mol. Formula | (C3H4O2)x.xNa |
| Density | 1.25 g/mL at 25 °C |
| Refractive index | n20/D 1.405 |
| Stability | 对光敏感 |
别名和识别编码
| Synonym | Polyacrylic acid sodium salt {LY} Polyacrylic acid sodium salt {} {LY} Polyacrylic acid sodium salt {} {} {LY} Polyacrylic acid sodium salt {} {} {} {LY} Polyacrylic acid sodium salt {} {} {} {} {LY} Polyacrylic acid sodium salt {} {} {} {} {} {LY} Polyacrylic acid sodium salt {} {} {} {} {} {} {LY} Polyacrylic acid sodium salt {} {} {} {} {} {} {} {LY} Polyacrylic acid sodium salt {} {} {} {} {} {} {} {} {LY} Polyacrylic acid sodium salt {} {} {} {} {} {} {} {} {} {LY} Polyacrylic acid sodium salt {} {} {} {} {} {} {} {} {} {} {LY} Polyacrylic acid sodium salt {} {} {} {} {} {} {} {} {} {} {} {LY} Polyacrylic acid sodium salt {} {} {} {} {} {} {} {} {} {} {} {} {LY} Polyacrylic acid sodium salt {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Polyacrylic acid sodium salt {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Polyacrylic acid sodium salt {} {} {} {} {} {} {} {} {} {} {} {} {} |
|---|---|
| MDL Number | MFCD00147949 |
| PubChem Substance ID | 4068533 |
| CAS Number | 9003-04-7 |
| Chemical Name | Poly(sodium acrylate) |
| Chemical Name Translation | 聚丙烯酸钠盐 |
| InChI | InChI=1S/C3H4O2.Na/c1-2-3(4)5;/h2H,1H2,(H,4,5);/q;+1/p-1 |
| Canonical SMILES | [NaH].O=C(O)C=C |
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分类
- {SNA} Hydrophilic Polymers,
- {SNA} Anionic Polyelectrolytes - PSSA & Others, Hydrophilic Polymers, Materials Science, Micro/NanoElectronics, Poly(acrylic acid) (PAA) Salts and Solutions, Poly(acrylic acid) (PAA) and Copolymers, Poly(acrylic acid) (PAA), Sodium Salt, Poly(acrylic acid), Polymethacrylate and Other Acrylic Polymers, Polyelectrolytes, Polyelectrolytes for SAMS (Self-Assembled Monolayers),
产品应用
- 增稠剂。由于在水中溶解较慢，可预先与砂糖、粉末淀粉糖浆、乳化剂等混合，以提高溶解速度。作糖液、盐水、饮料等的澄清剂（高分子凝聚剂）。水产加工石回收废水中蛋白质；及净化废水。
安全信息
GHS Symbol
- P337+P313
- P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
- P305+P351+P338
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
- H319 Causes serious eye irritation 严重刺激眼睛
- S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后，立即用大量水冲洗并征求医生意见；
- S36 Wear suitable protective clothing 穿戴适当的防护服；
- R36 Irritating to eyes 刺激眼睛
- R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
其他信息
- 无臭无味。溶于水，不溶于苯和乙醚。汲湿性极强。是一种同时具有亲水和疏水基团的高分子化合物。能缓慢溶于水形成极黏稠的透明液体。0.5%溶液的粘度约为1 Pa·s，其粘度与CMC大体相等，是海藻酸钠的15～20倍。加热处理、中性盐类、有机酸类均对其粘度影响很小，碱性条件下则粘度增大。不溶于乙醇、丙酮等有机溶剂。强热至300℃不分解。久存粘度变化极小，不易腐败。遇二价以上的金属离子(如铝、铅、铁、钙、镁、锌)形成其不溶性盐，引起分子交联而凝胶化沉淀。pH值在4以下时，聚丙烯酸产生沉淀。
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