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Key Documents

Safety Information

749192

Sigma-Aldrich

Poly(styrene-block-methyl methacrylate)

average Mn 104,000, block ratio of 1:1

Synonym(s):

PS-block-PMMA, PS-PMMA

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About This Item

CAS Number:
UNSPSC Code:
12162002

form

solid

mol wt

average Mn 104,000
average Mn 52,000 (PMMA)
average Mn 52,000 (polystyrene)

transition temp

Tm 345-350 °C

Mw/Mn

<1.2

InChI

1S/C8H8.C5H8O2/c1-2-8-6-4-3-5-7-8;1-4(2)5(6)7-3/h2-7H,1H2;1H2,2-3H3

InChI key

ADFPJHOAARPYLP-UHFFFAOYSA-N

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General description

57 kDa PS; 25 kDa PMMA; m ~494; n ~520
PS Mn = 57 ± 6 kg/mol
PMMA Mn = 25 ± 3 kg/mol
PDI of the overall block copolymer <1.2
PS molecular weight verified by SEC (taking an aliquot from the reaction mixture) and the PMMA molecular weight by NMR spectroscopy. The overall block copolymer molecular weight distribution would be determined by SEC.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Eye Irrit. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

749192-1G:
749192-BULK:
749192-VAR:


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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Journal of oral rehabilitation, 24(10), 755-760 (1997-12-31)
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