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Merck

176206

Sigma-Aldrich

聚甲基氢硅氧烷

greener alternative

average Mn 1,700-3,200

别名:

PMHS, 甲基氢硅氧烷聚合物

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About This Item

线性分子式:
(CH3)3SiO[(CH3)HSiO]nSi(CH3)3
CAS号:
MDL编号:
UNSPSC代码:
12162002
PubChem化学物质编号:
NACRES:
NA.23
价格与库存信息目前不能提供

表单

liquid

分子量

average Mn 1,700-3,200

环保替代产品特性

Catalysis
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

折射率

n20/D 1.398

粘度

12-45 cSt

密度

1.006 g/mL at 25 °C (lit.)

环保替代产品分类

SMILES字符串

[Si](C)(C)(C)C.[Si](O)(C)(C)C.[SiH](O)(C)C

InChI

1S/C4H12Si.C3H10OSi.C2H8OSi/c2*1-5(2,3)4;1-4(2)3/h1-4H3;4H,1-3H3;3-4H,1-2H3

InChI key

KZFYHEHDBPYRMU-UHFFFAOYSA-N

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一般描述

我们致力于为您提供更环保的替代产品,以符合“绿色化学的12项原则”的一项或多项原则要求。本产品是环境良性还原剂,已针对催化效率予以增强。点击此处以获取更多信息。
利用聚甲基氢硅氧烷反应进行生物质还原和环化,获取高价值产品

储存分类代码

10 - Combustible liquids

WGK

WGK 3

闪点(°F)

399.2 °F - closed cup

闪点(°C)

204 °C - closed cup

个人防护装备

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Journal of the Chemical Society. Perkin Transactions 1, 1705-1705 (1989)

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Self-assembled monolayers (SAMs) have diverse applications; article compares benefits of alkylthiolates on gold SAM systems.

Self-assembled monolayers (SAMs) have diverse applications; article compares benefits of alkylthiolates on gold SAM systems.

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Questions

1–2 of 2 Questions  
  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. 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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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. 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/449/386/product-dating-information-mk.pdf

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