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Merck
CN

377635

十八烷基-官能化硅胶

200-400 mesh, extent of labeling: 20-22% loading

别名:

C18 silica gel

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UNSPSC Code:
12352200
NACRES:
NA.22
MDL number:
MFCD00166485

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产品名称

十八烷基-官能化硅胶, 200-400 mesh, extent of labeling: 20-22% loading

form

powder

extent of labeling

20-22% loading

surface area

~550 m2/g

matrix

irregular silica particle platform

matrix active group

C18 phase

particle size

200-400 mesh

pore size

60 Å pore size

Quality Level

200

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Application

Octadecyl-functionalized silica gel is generally used as a stationary phase for low- and medium-pressure reversed-phase liquid chromatography.

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
0000493707
0000493708
0000493707
0000493708
0000492757

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. What is the solubility of Product 377635, Octadecyl-functionalized silica gel?

    This product is not soluble. It can be swelled in organic solvents such as methanol or acetonitrile.

  6. What is the pH stability of Product 377635, Octadecyl-functionalized silica gel?

    The product is expected to be unstable when used at pH above 7.5.

  7. How can Product 377635, Octadecyl-functionalized silica gel resin be cleaned of stubborn material?

    One can usually start with 40-50% chloroform in methanol and see if that cleans the resin. If not, try increasing the chloroform content gradually until it is 100%.

  8. How is Product 377635, Octadecyl-functionalized silica gel, prepared?

    It is prepared by the reaction of silica gel with n-octadecyltrichlorosilane. After hydrolysis of the unreacted chloro groups, silanol groups on the silica are blocked with trimethylsilyl groups.

  9. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Synthesis and characterization of polymeric C18 stationary phases for liquid chromatography
Sander LC and Wise SA
Analytical Chemistry, 56(3), 504-510 (1984)
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Diaz JG, et al.
Phytochemistry Letters, 1(2), 125-129 (2008)
Antitrypanosomatid activity of flavonoid glycosides isolated from Delphinium gracile, D. staphisagria, Consolida oliveriana and from Aconitum napellus subsp. Lusitanicum
Marin C, et al.
Phytochemistry Letters, 19(2), 196-209 (2017)

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