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
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About This Item
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等级
semiconductor grade
质量水平
蒸汽密度
>1 (vs air)
蒸汽压
<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)
方案
99.99% trace metals basis
表单
pellets
技术
HPLC: suitable
杂质
<1% Na2CO3
mp
318 °C (lit.)
溶解性
water: soluble 1,260 g/L at 20 °C
密度
2.13 g/cm3 at 20 °C
SMILES字符串
[OH-].[Na+]
InChI
1S/Na.H2O/h;1H2/q+1;/p-1
InChI key
HEMHJVSKTPXQMS-UHFFFAOYSA-M
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一般描述
应用
- 碱死亡诱导抑制紫杉醇耐药卵巢癌细胞：利用氢氧化钠抑制了ATP6V0D1介导的ABCB1，提出了通过碱死亡促进细胞死亡克服卵巢癌耐药性的新方法。这可能会显著影响癌症治疗策略（Chen et al., 2024）。
- 臭氧活化的木质纤维素薄膜与壳聚糖共混：研究表明，在活化过程中使用氢氧化钠可制造出可生物降解的可食用薄膜。这一应用对食品包装领域具有重要意义，可能会彻底改变我们对可持续材料的认知（Ebrahimi et al., 2024）。
- 用罗非鱼头明胶稳定鱼油乳剂：研究考察了氢氧化钠在明胶提取中的作用，重点介绍了其在提高食品科学领域鱼油乳剂的稳定性和可用性方面的应用（Li et al., 2024）。
- 纤维素在ZnO/NaOH/水溶剂中的溶解：分子动力学模拟研究阐明了氢氧化钠助溶纤维素的机制，其温度依赖性效应为聚合物科学应用提供了见解，特别是在纺织品和材料生产中（Bourassi et al., 2024）。
- 偏高岭土/矿渣基地聚合物混凝土的回收：氢氧化钠在开发能够承受极端冻融条件的地聚合物混凝土方面发挥着至关重要的作用，表明其在可持续建筑材料中具有重要应用潜力（Liu et al., 2024）。
警示用语：
Danger
危险声明
危险分类
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
储存分类代码
8B - Non-combustible corrosive hazardous materials
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
其他客户在看
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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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