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447013

Sigma-Aldrich

Poly(acrylic acid sodium salt)

average Mw ~5,100 by GPC, powder

Synonym(s):

Poly(sodium acrylate), Sodium polyacrylate

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About This Item

CAS Number:
9003-04-7
MDL number:
MFCD00147949
UNSPSC Code:
12162002
PubChem Substance ID:
24868314

form

powder

Quality Level

100

mol wt

average Mw ~5,100 by GPC

impurities

8-14% water

pH

6-9

density

0.55 g/mL at 25 °C

InChI

1S/C3H4O2.Na/c1-2-3(4)5;/h2H,1H2,(H,4,5);/q;+1/p-1

InChI key

NNMHYFLPFNGQFZ-UHFFFAOYSA-M

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Related Categories

Application

Scale inhibitor, builder in detergents, aid in soap and detergent processing and control of water hardness.

Features and Benefits

Water soluble sequesters metal ions and hydrolytically and thermally stable.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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’.

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Poly(acrylic acid) partial sodium salt solution average Mw ~240,000 by GPC, 25 wt. % in H2O

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Carolyn E Mills et al.
Langmuir : the ACS journal of surfaces and colloids, 32(50), 13367-13376 (2016-12-21)
Organophosphate (OP) nerve agents are a class of chemical warfare agents (CWAs) that exist as bulk stocks in current and past war zones. Thus, a technology that can perform on-site decontamination in a safe and timely fashion is desirable. Here
Vladimir B Bregar et al.
International journal of nanomedicine, 8, 919-931 (2013-03-15)
In recent years, nanoparticles (NPs) and related applications have become an intensive area of research, especially in the biotechnological and biomedical fields, with magnetic NPs being one of the promising tools for tumor treatment and as MRI-contrast enhancers. Several internalization
Núria Gilart et al.
Analytica chimica acta, 774, 51-60 (2013-04-10)
Two new commercially available polar coatings for stir bar sorptive extraction (SBSE), consisting of polyacrylate (PA) with a proportion of polyethyleneglycol (PEG) (Acrylate Twister(®)) and PEG modified silicone (EG Silicone Twister(®)), were evaluated and compared with the classic coating based
Daniel L Miller et al.
The Annals of thoracic surgery, 95(3), 1050-1056 (2013-01-22)
Skeletal chest wall reconstruction can be a challenge, depending on the indication, location, and health of the patient; various materials are available. Recently, biomaterials that are remodelable (bovine pericardium patch; Veritas, Synovis Life Technologies Inc, St Paul, MN) or absorbable
Kang Zhong et al.
Carbohydrate polymers, 92(2), 1367-1376 (2013-02-13)
Phosphate rock (PHR), a traditional fertilizer, is abundant, but is hard to be utilized by plants. To improve the utilization of PHR, and to integrate water-retaining and controlled-release fertilizers, an agricultural superabsorbent polymer based on sulfonated corn starch/poly (acrylic acid)
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