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70160

Nafion™ 117含 溶液

greener alternative
Nafion™ 117 containing solution

~5% in a mixture of lower aliphatic alcohols and water

别名:

全氟(4-甲基-3,6-二氧杂-7-辛烯)磺酰氟

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About This Item

CAS号:
31175-20-9
MDL编号:
MFCD00132790
UNSPSC代码:
26111700
eCl@ss:
32110203
NACRES:
NA.23
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表单

liquid

环保替代产品特性

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

浓度

~5% in a mixture of lower aliphatic alcohols and water

折射率

n20/D 1.38

环保替代产品分类

Enabling,

InChI

1S/C7HF13O5S.C2F4/c8-1(9)2(10)24-5(15,16)3(11,4(12,13)14)25-6(17,18)7(19,20)26(21,22)23;3-1(4)2(5)6/h(H,21,22,23);

InChI key

FOYUGSIADQEOEK-UHFFFAOYSA-N

一般描述

Nafion™ 117溶液可用于形成Nafion膜，从而实现良好的吸水率 (~27%) 和离子电导率 (~1.23 × 10−2 Ω−1 cm−1)。由其制成的聚合物电解质燃料电池在600V时的电流密度~640 mA cm−2。[1]
我们致力于为您提供更环保的替代产品，以符合“绿色化学的12项原则”的一项或多项原则要求。该产品为增强型，提高了能源效率。点击此处，查看更多详情。

应用

Nafion™ 117溶液可用于多种应用，例如：
  • 燃料电池聚电解质膜[1][2]
  • 从水溶液中提取金属[3]
  • 通过热化学水分解法生产氢气[4]
  • 用作评估甲醇透性的参比膜[5]

法律信息

Nafion是THE CHEMOURS COMPANY FC LLC的注册商标
Nafion is a trademark of The Chemours Company FC, LLC

警示用语：

Danger

危险声明

H225,H318,H336

危险分类

Eye Dam. 1 - Flam. Liq. 2 - STOT SE 3

靶器官

Central nervous system

储存分类代码

3 - Flammable liquids

WGK

WGK 3

闪点(°F)

67.0 °F

闪点(°C)

19.44 °C

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCK2814
BCCK5672
BCCJ3882
BCCH4407
BCCH3123

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Adsorption of some heavy metal ions from aqueous solutions on Nafion 117 membrane
Nasef MM and Yahaya AH
Desalination, 249(2), 677-681 (2009)
Parameters of PEM fuel-cells based on new membranes fabricated from Nafion, silicotungstic acid and thiophene
Tazi B and Savadogo O
Electrochimica Acta, 45(25-26), 4329-4339 (2000)
Nafion/poly (vinyl alcohol) blends: effect of composition and annealing temperature on transport properties
DeLuca NW and Elabd YA
Journal of Membrane Science , 282(1-2), 217-224 (2006)
A comparison of methanol permeability in Chitosan and Nafion 117 membranes at high to medium methanol concentrations
Mukoma P, et al.
Journal of Membrane Science , 243(1-2), 293-299 (2004)
A new analytical system, based on an acoustic wave sensor, for halitosis evaluation
Fernandes DLA, et al.
Sensors and Actuators B, Chemical, 136, 73-79 (2009)
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Questions

1–6 of 6 Questions  

  1. Is there any alternative products that can replace Nafion 117 solution since this is discontinued?

    1 answer

    1. At this time, there is no direct substitute for Nafion 117. However, a brief search of the literature reveals that there may be acceptable alternatives. Please see the links below to review these publications:
      https://pubs.acs.org/doi/10.1021/acsaem.3c00522#:~:text=Polybenzimidazole%20Membranes%20as%20Nafion%20Replacement%20in%20Aqueous%20HCl%20Electrolyzers,-Kris%20Likit%2Danurak
      https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7377320/

      Should Aquivion E98-15S be of interest, please see the link below:
      https://www.sigmaaldrich.com/product/aldrich/802751

      Helpful?

  2. What is the storage condition (temperature of Nafion 117 containing solution?

    1 answer

    1. The product is to be stored in room temperature. Please keep the container tightly closed in a dry and well-ventilated place. Keep away from heat and sources of ignition. For more safety and storage information please view the safety data sheet: https://www.sigmaaldrich.com/sds/aldrich/70160

      Helpful?

  3. What is the composition of Product 70160, Nafion® 117 solution?

    1 answer

    1. The exact composition of the Nafion® 117 solution is considered proprietary by the manufacturer.  However, based on the data available, the composition is believed to be similar to the following: approximately 5% Nafion® Perfluorinated Ion-Exchange powder, 15-25% water, 1-5% methanol, with the remainder being a 1:1 mixture of 1-propanol and 2-propanol.

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  4. What is the Department of Transportation shipping information for this product?

    1 answer

    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

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  5. Is Product 70160, Nafion® 117 solution, cationic or anionic?

    1 answer

    1. Nafion® 117 is cationic (H+).

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  6. How can I dilute Product 70160, Nafion® 117 solution?

    1 answer

    1. Dilution of the Nafion® 117 solution in a 50:50 mixture of 1-propanol/2-propanol is preferred.

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