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.pdf
469300
聚二甲基硅氧烷
viscosity 0.65 cSt (25 °C)
别名:
六甲基二硅氧烷, HMDSO
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产品名称
聚二甲基硅氧烷, viscosity 0.65 cSt (25 °C)
InChI key
UQEAIHBTYFGYIE-UHFFFAOYSA-N
InChI
1S/C6H18OSi2/c1-8(2,3)7-9(4,5)6/h1-6H3
SMILES string
C[Si](C)(C)O[Si](C)(C)C
vapor density
>1 (vs air)
refractive index
n20/D 1.377 (lit.)
viscosity
0.65 cSt(25 °C)
bp
101 °C (lit.)
mp
−59 °C (lit.)
density
0.764 g/mL at 20 °C (lit.)
Quality Level
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此商品 | 326739 | 52630 | 205389 |
|---|---|---|---|
| density 0.764 g/mL at 20 °C (lit.) | density 0.764 g/mL at 20 °C (lit.) | density 0.764 g/mL at 20 °C (lit.) | density 0.764 g/mL at 20 °C (lit.) |
| Quality Level 100 | Quality Level 100 | Quality Level 200 | Quality Level 200 |
| bp 101 °C (lit.) | bp 101 °C (lit.) | bp 101 °C (lit.) | bp 101 °C (lit.) |
| refractive index n20/D 1.377 (lit.) | refractive index n20/D 1.377 (lit.) | refractive index n20/D 1.377 (lit.) | refractive index n20/D 1.377 (lit.) |
| mp −59 °C (lit.) | mp −59 °C (lit.) | mp −59 °C (lit.) | mp −59 °C (lit.) |
| vapor density >1 (vs air) | vapor density >1 (vs air) | vapor density >1 (vs air) | vapor density >1 (vs air) |
Application
- 超疏水表面涂层：通过等离子体处理，研究了六甲基二硅氧烷涂层在织物口罩上的应用，以实现超疏水性能，增强口罩的防潮性能（M Prado et al., 2022）。
- PECVD用于薄膜涂层：描述了在等离子体增强化学气相沉积中使用六甲基二硅氧烷来创建薄膜涂层，探索了使用极不对称电容性射频放电的效果（Ž Gosar et al., 2020）。
- 基于QCM的VOC传感器：六甲基二硅氧烷薄膜被用作石英晶体微天平传感器的敏感涂层，增强了其检测各种挥发性有机化合物的能力（M Boutamine et al., 2014）。
- 疏水性-亲水性薄膜探索利用常压等离子射流聚合六甲基二硅氧烷，以创建具有特定疏水性和亲水性的薄膜（M Bashir, S Bashir, 2015）。
signalword
Danger
hcodes
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Liq. 2
存储类别
3 - Flammable liquids
wgk
WGK 2
flash_point_f
21.2 °F - closed cup
flash_point_c
-6 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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We offer PDMS surface modification kit which allows for durable hydrophilization of various polydimethylsiloxane (PDMS) surfaces.
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How can I determine the shelf life / expiration / retest date of this product?
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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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