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8.22050

十二烷基硫酸钠

greener alternative

for synthesis

同義詞:

十二烷基硫酸钠盐

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關於此項目

經驗公式(希爾表示法):
C12H25NaO4S
CAS 編號:
分子量::
288.38
UNSPSC Code:
12352107
EC Index Number:
205-788-1
NACRES:
NA.22
MDL number:
Grade:
synthesis grade
Form:
powder
Solubility:
>130 g/L
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grade

synthesis grade

Quality Level

form

powder

potency

1427 mg/kg LD50, oral (Rat), >2000 mg/kg LD50, skin (Rabbit)

greener alternative product characteristics

Catalysis
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

pH

6-9 (20 °C, 10 g/L in H2O)

mp

204-207 °C

transition temp

flash point >150 °C

solubility

>130 g/L

density

1.1 g/cm3 at 20 °C

bulk density

490‑560 kg/m3

greener alternative category

storage temp.

2-30°C

SMILES string

[Na+].[S](=O)(=O)([O-])OCCCCCCCCCCCC

InChI

1S/C12H26O4S.Na/c1-2-3-4-5-6-7-8-9-10-11-12-16-17(13,14)15;/h2-12H2,1H3,(H,13,14,15);/q;+1/p-1

InChI key

DBMJMQXJHONAFJ-UHFFFAOYSA-M

General description

十二烷基硫酸钠(SDS)是一种常用的阴离子表面活性剂。它是一种两亲型表面活性剂,由极性亲水头基和非极性疏水尾基组成。表面活性剂的特点在于它们具有形成胶束的能力,即在临界胶束浓度(CMC)以上,具有自我聚焦的能力。由于其两亲型的特性,该表面活性剂在工业上被广泛用作洗涤剂。它们可用于清洗、润湿、分散、乳化、起泡和消泡等。
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product is used as a surfactant to enhance catalysis.  Click here for more information.

Application

十二烷基硫酸钠作为表面活性剂用于:
  • 通过微乳液聚合法合成SiO2/聚苯乙烯纳米复合颗粒。
  • 制备固体脂质NP(SLN)和含有OA-Fe3O4作为CAN(复合抗静电NP)的聚(丙交酯-co-乙交酯)NP。

Analysis Note

含量测定(Epton滴定法): ≥ 95.0 %
鉴别(IR):符合检验

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本產品
628621.18309L6026
form

powder

form

(Rods)

form

-

form

powder

solubility

>130 g/L

solubility

water: soluble

solubility

>130 g/L

solubility

H2O: 0.1 M, clear, colorless

Quality Level

200

Quality Level

100

Quality Level

100

Quality Level

200

grade

synthesis grade

grade

-

grade

-

grade

-

mp

204-207 °C

mp

204-207 °C (lit.)

mp

204-207 °C

mp

204-207 °C (lit.)

density

1.1 g/cm3 at 20 °C

density

(1.03 g/cm3 at 20 °C (68 °F))

density

1.1 g/cm3 at 20 °C

density

0.496 g/cm3


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signalword

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Flam. Sol. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

存儲類別/等級

4.1B - Flammable solid hazardous materials

wgk

WGK 2

flash_point_f

338.0 °F

flash_point_c

170 °C



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Questions

1–2 of 2 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/418/501/product-dating-information-06-25-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

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