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
推薦產品
品質等級
化驗
97%
折射率
n20/D 1.571 (lit.)
bp
115-116 °C/5 mmHg (lit.)
mp
19-21 °C (lit.)
溶解度
water: insoluble
密度
0.988 g/mL at 25 °C (lit.)
官能基
amine
SMILES 字串
CCN(CC)c1ccc(N)cc1
InChI
1S/C10H16N2/c1-3-12(4-2)10-7-5-9(11)6-8-10/h5-8H,3-4,11H2,1-2H3
InChI 密鑰
QNGVNLMMEQUVQK-UHFFFAOYSA-N
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訊號詞
Danger
危險聲明
危險分類
Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1B
儲存類別代碼
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
水污染物質分類（WGK）
WGK 3
閃點（°F）
282.2 °F - closed cup
閃點（°C）
139 °C - closed cup
個人防護裝備
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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How is shipping temperature determined? And how is it related to the product storage temperature?
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
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.pdfHelpful?
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Is this reagent suitable for free chlorine analysis? Can I use it in the same way as a solid reagent? Thank you,
1 answer-
This product has been used in assays for chlorine determination. However, due to the color specification of 'Dark Brown to Very Dark Brown and Black', it may require further purification for use in this application. The material has a melting point of approximately 20 °C, which is very close to room temperature. As a result, the physical form may be a liquid or a solid.
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Cual es la caducidad del producto 261513, N,N-diethyl-p-phenylenediamine. En el COA no aparece, supongo que puedes ser que no tenga?
1 answer-
This product is not assigned an expiration date or recommended retest date. Customers should routinely inspect products with no expiration date or recommended retest date to ensure they perform as expected. These products are also subject to a one-year warranty from the date of shipment.
For more information, you may access the "Product Dating Information" document under "ADDITIONAL USEFUL DOCUMENTS ABOUT OUR PRODUCTS" at the bottom of the Quality Services page with this link: https://www.sigmaaldrich.com/life-science/quality-and-regulatory-management/quality-services.
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