416002
Poly(acrylic acid) solution
average Mw ~250,000, 35 wt. % in H2O
Synonym(s):
PAA
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About This Item
Linear Formula:
(C3H4O2)n
CAS Number:
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12162002
MDL number:
form
viscous liquid
Quality Segment
mol wt
average Mw ~250,000
concentration
35 wt. % in H2O
refractive index
n20/D 1.395
density
1.150 g/mL at 25 °C
SMILES string
OC(=O)C=C
InChI
1S/C3H4O2.Na/c1-2-3(4)5;/h2H,1H2,(H,4,5);/q;+1/p-1
InChI key
NNMHYFLPFNGQFZ-UHFFFAOYSA-M
General description
Poly(acrylic acid) solution (PAA) is an anionic polymer that can be synthesized by the free radical polymerization of acrylic acid. It has a swelling nature that tends to absorb and retain the water. Its high ion exchange capacity makes it useful in the formation of membranes.
Application
PAA can be used for a variety of applications such as gas sensors, electrical devices, and cosmetics.
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signalword
Danger
hcodes
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 2 - Eye Dam. 1 - STOT SE 3
target_organs
Respiratory system
Storage Class
10 - Combustible liquids
wgk
WGK 1
flash_point_f
212.0 °F - closed cup
flash_point_c
100 °C - closed cup
ppe
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
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