Polystyrene-block-poly(acrylic acid)

ALDRICH/746991

Synonym: Poly(styrene)-block-poly(acrylic acid)

Empirical Formula (Hill Notation): C₄H₆N(C₈H₈)_m(C₃H₄O₂)_nH
Linear Formula: C₄H₆N(C₈H₈)_m(C₃H₄O₂)_nH
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-746991-1G	1 g	$592.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

form	solid
mol wt	M_n 27,000-31,000 (polystyrene)
	M_n 31,000-37,000 (total)
	M_n 4,000-6,000 (poly(acrylic acid))
mp	258-263 °C
PDI	≤1.3

Application:	Polystyrene-block-polyacrylic acid is a diblock copolymer used for making polymeric vesicles (polymersomes) and other encapsulation applications.1-9 This PS-block-PAA copolymer is 15 wt. % AA; and should form vesicles in water in the 100 nm range. The polystyrene degree of polymerization (DP) is 275 and the polyacrylic acid DP is 50.
Legal Information:	Sold for research purposes only. Not for use in humans. Before opening or using this product, please read the following terms and conditions. Use of this product shall constitute acknowledgement and acceptance of these terms and conditions: Use of this product may be covered by one or more of the following US patents and corresponding claims outside the US: 7,714,075; 7,250,479; 7,666,962; 6,642,318; 6,747,111, and pending applications (W2010/8356). For details contact Aldrich Chemical Company, Inc.
Packaging:	1 g in glass bottle

Symbol	GHS07
Signal word	Warning
Hazard statements	H315 - H319 - H335
Precautionary statements	P302 + P352 - P305 + P351 + P338
Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26
RIDADR	NONH for all modes of transport
WGK Germany	WGK 3
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

mp	258-263 °C
UNSPSC	12352100

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