Skip to Content
Merck
All Photos(4)

Key Documents

View All Documentation

Safety Information

A2033

Sigma-Aldrich

Alginic acid sodium salt from brown algae

Medium viscosity

Synonym(s):

Algin, Sodium alginate

Sign Into View Organizational & Contract Pricing
All Photos(4)

About This Item

CAS Number:
9005-38-3
MDL number:
MFCD00081310
UNSPSC Code:
12352201
NACRES:
NA.25

biological source

algae (brown)

Quality Level

200

form

powder

color

white to brown

viscosity

≥2,000 cP, 2 %(25 °C)

solubility

water: 10 mg/mL, slightly hazy to strongly hazy, faintly yellow to yellow

storage temp.

2-8°C

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

Application

Alginate, a colloidal polyuronic acid structural molecule capable of gelation, is used in the preparation of colloidal biodegradable structures such as gels, biofilms, beads, nanoparticles, and microcapsules suitable for applications that range from gel based separation technologies to drug delivery and cell preservation.

Other Notes

A straight-chain, hydrophilic, colloidal, polyuronic acid composed of guluronic and mannuronic acid residues.
To gain a comprehensive understanding of our extensive range of Polysaccharides for your research, we encourage you to visit our Carbohydrates Category page.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

A2033-VAR:
A2033-100G:
A2033-1KG:
A2033-500G:
A2033-BULK:
A2033-250G:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 1

1 of 1

ALGINIC ACID, AMMONIUM SALT AldrichCPR

S371718

ALGINIC ACID, AMMONIUM SALT

Said M Daboor et al.
Marine drugs, 17(5) (2019-05-30)
Pseudomonas aeruginosa biofilms are typically associated with the chronic lung infection of cystic fibrosis (CF) patients and represent a major challenge for treatment. This opportunistic bacterial pathogen secretes alginate, a polysaccharide that is one of the main components of its
Chen Xu et al.
Journal of biomedical materials research. Part B, Applied biomaterials, 106(1), 237-244 (2017-01-29)
Previous studies have shown that tricalcium silicate bone cements possess good bioactivity and appropriate degradation rate. However, they also showed some weaknesses such as poor washout resistance, formability and injectability, which have seriously hindered their clinical applications. The purpose of
Jinyao Liu et al.
Nature communications, 8(1), 124-124 (2017-07-27)
Systems capable of residing for prolonged periods of time in the gastric cavity have transformed our ability to diagnose and treat patients. Gastric resident systems for drug delivery, ideally need to be: ingestible, be able to change shape or swell
Laura Ferlauto et al.
Frontiers in neuroscience, 12, 648-648 (2018-10-05)
Reducing the mechanical mismatch between the stiffness of a neural implant and the softness of the neural tissue is still an open challenge in neuroprosthetics. The emergence of conductive hydrogels in the last few years has considerably widened the spectrum
Vijayaganapathy Vaithilingam et al.
Biomaterials, 32(33), 8416-8425 (2011-09-06)
Encapsulation of human islets may prevent their immune rejection when transplanted into diabetic recipients. To assist in understanding why clinical outcomes with encapsulated islets were not ideal, we examined the effect of encapsulation on their global gene (mRNA) and selected
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service