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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
NACRES:
NA.25

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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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 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

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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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
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
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
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)
Marguerite J Kutyła et al.
AAPS PharmSciTech, 14(1), 301-311 (2013-01-12)
The controlled release of diflunisal and fluconazole from tablets made of novel polymers, poly(acrylic acid) (PAA) crosslinked with either β-cyclodextrin (βCD) or hydroxypropyl-βCD (HPβCD), was investigated and Carbopol 934P (Carbopol) was used as a highly crosslinked PAA for comparison. Diflunisal
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