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Merck
CN

180947

Sigma-Aldrich

海藻酸 钠盐

powder

别名:

海藻酸钠, 褐藻胶

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About This Item

CAS号:
MDL编号:
UNSPSC代码:
12162002
NACRES:
NA.23

生物来源

algae (marine)

质量水平

形式

powder

粘度

15-25 cP, 1 % in H2O

InChI

1S/C6H10O7.Na/c7-1-2(8)4(5(10)11)13-6(12)3(1)9;/h1-4,6-9,12H,(H,10,11);/q;+1/p-1/t1-,2-,3-,4?,6+;/m0./s1

InChI key

MSXHSNHNTORCAW-MPGIDXPLSA-M

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一般描述

海藻酸钠是一种胶凝和无毒的阴离子多糖。 海藻酸链上的羧酸基团使其不溶于水。然而,将海藻酸转化为钠盐形式,将使其易溶于水。

应用

海藻酸钠被用于:
  • 与壳聚糖组合用于制造骨组织工程的可生物降解型多孔支架。
  • 研究改性两亲性藻酸盐衍生物的特性
  • 利用 体外 消化模型研究藻酸盐对脂质消化速率的影响
  • 制备藻酸盐水凝胶
  • 作为β-半乳糖苷酶微粒的包封剂

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)


分析证书(COA)

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

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

    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. 

  5. How do I dissolve Product No. 180947, Alginic acid sodium salt?

    Product No. 180947, Alginic acid sodium salt, is soluble in water.  

  6. What is the molecular weight of Product No. 180947, Alginic acid sodium salt?

    The molecular weight of Product No. 180947, Alginic acid sodium salt, is 120,000-190,000 g/moL.

  7. What is the ratio of mannuronic acid to guluronic acid in Product No. 180947, Alginic acid sodium salt?

    The ratio of mannuronic acid to guluronic acid (M/G ratio) is 1.56.

  8. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

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