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NP40S

Sigma-Aldrich

TERGITOL solution

Type NP-40, 70% in H2O

Sinónimos:

Nonyl phenoxypolyethoxylethanol, Nonylphenol Ethoxylate

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About This Item

MDL number:
UNSPSC Code:
12161900
NACRES:
NA.25
En este momento no podemos mostrarle ni los precios ni la disponibilidad

description

non-ionic

Quality Level

type

Type NP-40

mol wt

1980 g/mol

concentration

70% in H2O

CMC

232 mg/L (25°C)

transition temp

cloud point >100 °C (1% (w/w) active detergent in aqueous solution)

HLB

17.8

General description

Tergitol solution is a surface-active agent that acts as a non-ionic surfactant. [1]

Application

Tergitol solution has been used in a study to quantify the volumetric mass transfer coefficient and liquid film coefficient using a dynamic surface tension measurement. [2] It has also been used in a study to investigate the use of surfactant solutions and colloidal gas aphron to remove naphthalene from a contaminated soil matrix. [3]

Other Notes

Nonylphenol ethoxylate; nonionic surfactant

Legal Information

TERGITOL is a trademark of The Dow Chemical Company ("Dow") or an affiliated company of Dow

related product

Referencia del producto
Descripción
Precios

signalword

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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


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Dynamic Surface Tension Effects on Oxygen Transfer
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Application of surfactant solutions and colloidal gas aphron suspensions in flushing naphthalene from a contaminated soil matrix
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Questions

1–6 of 6 Questions  
  1. 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

      Helpful?

  2. 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

      Helpful?

  3. I received Product NP40, Tergitol®, as a solid. Shouldn't this be a solution?

    1 answer
    1. This is a 70% solution, but at lower temperatures it is common for this product to form a solid.  Heating to approximately 37°C will return the material to a liquid state.

      Helpful?

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

    1 answer
    1. 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.

      Helpful?

  5. Can I use Product NP40S, Tergitol®, for cell lysis protocols?

    1 answer
    1. Tergitol is not used in cell lysis applications.  For a better choice see IGEPAL CA 630, product code I3021.

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  6. What is the storage temperature of Product NP40S, Tergitol® solution?

    1 answer
    1. NP40S is stored at room temperature.

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