As indicated by the structure and CAS number, this product is unmodified PPO.
181781
Poly(2,6-dimethyl-1,4-phenylene oxide)
powder
Synonym(s):
2,6-Dimethyl-1,4-phenylene ether homopolymer, 2,6-Dimethylphenol homopolymer, 2,6-Dimethylphenol polymer, Poly(2,6-dimethylphenylene oxide)
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| Size/SKU | Availability | Price |
|---|---|---|
250 g | Available to ship onJune 17, 2026fromMILWAUKEE | $164.00 |
About This Item
Linear Formula:
[C6H2(CH3)2O]n
CAS Number:
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12162002
MDL number:
form
powder
Quality Segment
transition temp
Tg 211 °C, Tm 268 °C
density
1.06 g/mL at 25 °C (lit.)
SMILES string
Cc1cc(O)cc(C)c1O
InChI
1S/C8H10O/c1-6-4-3-5-7(2)8(6)9/h3-5,9H,1-2H3
InChI key
NXXYKOUNUYWIHA-UHFFFAOYSA-N
General description
Poly(2,6-dimethyl-1,4-phenylene oxide) (PPO) is an anion exchange membrane (AEM) material that is mainly used as a cross-linker in which the methyl groups are used to bond with ultraviolet (UV) excited ketones.
Application
Imidazolium modified PPO with liquid ionic graphene oxide can be used as an anion exchange membrane (AEM) composite with a peak power density of 136 mW cm−2 for use in the fabrication of high performance fuel cells. It may also be sulfonated to form a long chained polymeric structure with an efficiency of 81.8% at a current density of 120 mA cm−2 for potentiall use in vanadium redox flow batteries (VRFBs) as effective energy storage systems. It may also be used in the formation of AEMs, which can be used in the development of microbial desalination cell system (MDCS).
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This Item | |||
|---|---|---|---|
| form powder | form granular | form powder | form pellets |
| density 1.06 g/mL at 25 °C (lit.) | density 1.37 g/mL at 25 °C (lit.) | density 1.06 g/mL at 25 °C (lit.) | density 1.37 g/mL at 25 °C (lit.) |
| transition temp Tg 211 °C, Tm 268 °C | transition temp Tg (DSC) 221 °C (onset) | transition temp - | transition temp Tm (DSC) 213 °C (onset) |
| Quality Level 100 | Quality Level - | Quality Level 200 | Quality Level 200 |
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Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Is this Quartenized or just a PPO alone?
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How can I determine the shelf life / expiration / retest date of this product?
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If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdfHelpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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May I know the average molecular weight of the polymer?
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The approximate molecular weight for this product is 50,000 g/mol.
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