Poly(acrylic acid)

Cat.No ACM9003014-26

Basic Information Description Application Features And Benefits

CAS	9003-01-4
Catalog Number	ACM9003014-26
IUPAC Name	prop-2-enoic acid
Molecular Weight	average Mw 1800
Molecular Formula	C3H4O2;CH2=CHCOOH;C3H4O2
Canonical SMILES	C=CC(=O)O
InChI	1S/C3H4O2.Na/c1-2-3(4)5;/h2H,1H2,(H,4,5);/q;+1/p-1
InChI Key	NNMHYFLPFNGQFZ-UHFFFAOYSA-M
Boiling Point	286 °F at 760 mm Hg (NTP, 1992);286 °F at 760 mm Hg (NIOSH, 2016);141.2 °C;142 °C;141 °C;286°F;286°F
Melting Point	55 °F (NTP, 1992);55 °F (NIOSH, 2016);13.5 °C;13.56 °C;13°C;14 °C;55°F;55°F
Flash Point	130 °F (NTP, 1992);121 °F (NIOSH, 2016);54 °C (open cup);122 °F (50 °C) (open cup);48-55 °C c.c.;121°F;121°F
Density	1.0497 at 68 °F (USCG, 1999);1.05 (NIOSH, 2016);1.0511 g/cu cm at 20 °C;1.54 g/mL at 25 °C/4 °C;Relative density (water = 1): 1.05;1.05;1.05
Solubility	greater than or equal to 100 mg/mL at 63° F (NTP, 1992);Miscible (NIOSH, 2016);13.88 M;Miscible with alcohol, and ether;Miscible with ethanol, ethyl ether; soluble in acetone, benzene, carbon tetrachloride;Miscible with chloroform;Miscible with water /1X10+6 mg/L/ at 25 °C;Soluble in methanol, ethanol, dioxane, dimethylformamide, 2-propanol, formamide, ethylene glycol, and acetic acid;Soluble in water;1000 mg/mL;Solubility in water: miscible;Miscible
Storage	Please store the product under the recommended conditions in the Certificate of Analysis.
Autoignition Temperature	820 °F (USCG, 1999);438 °C; 820 °F;395 °C
EC Number	201-177-9;618-347-7;611-106-7;616-286-0
MDL Number	MFCD00084394
NACRES	NA.23
Packaging	Packaging 5, 100, 250 g in poly bottle
PubChem ID	24859410
Quality Level	200
Refractive Index	Index of refraction: 1.4224 at 20 °C/D;Index of refraction: 1.4185 at 25 °C;Index of refraction = 1.544 at 25 °C
Storage Temperature	2-8°C
Vapor Density	2.5 (NTP, 1992) (Relative to Air);2.5 (Air = 1);Relative vapor density (air = 1): 2.5
Vapor Pressure	3.2 mm Hg at 68 °F ; 5 mm Hg at 81.1° F (NTP, 1992);3 mm Hg (NIOSH, 2016);3.97 mmHg;3.97 mm Hg at 25 °C;Vapor pressure, Pa at 20 °C: 413;3 mmHg;3 mmHg

Description Poly (acrylic acid) (PAA) is hygroscopic, brittle and colorless in nature with Tg at nearly 106oC. At temperatures above 200 to 250oC, it loses water and becomes an insoluble crosslinked polymer anhydride. Solubility of dried PAA in water increases with rise in temperatures. Concentrated solutions of PAA in water is thixotropic in nature.

Application s of PAA may include:
to study solute diffusion in Polyvinyl alcohol/PAA copolymer hydrogel
synthesizing poly(N-isopropylacrylamide)-block-PAA copolymer which responds to both temperature and pH stimuli
in preparing block copolymer of oligo (methyl methacrylate)/PAA for micellar delivery of hydrophobic drugs
as thickening agent for adhesives.

Features And Benefits They can interact with or be dissolved by water or other polar substances.