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
G5882
戊二醛 溶液
Grade I, 25% in H2O, specially purified for use as an electron microscopy fixative
别名:
1,5-戊二醛, 五碳双缩醛 溶液
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About This Item
推荐产品
质量水平
类型
Grade I
表单
liquid
浓度
25% in H2O
技术
electron microscopy: suitable (fixative)
electron microscopy: suitable
颜色
colorless
有效pH范围
2.9
mp
-10 °C ((14 °F ))
溶解性
water: soluble at 20 °C
应用
cell analysis
运输
dry ice
储存温度
−20°C
SMILES字符串
[H]C(CCCC([H])=O)=O
InChI
1S/C5H8O2/c6-4-2-1-3-5-7/h4-5H,1-3H2
InChI key
SXRSQZLOMIGNAQ-UHFFFAOYSA-N
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相关类别
一般描述
戊二醛可以使胺和肼衍生物与蛋白质和其它含胺聚合物高效交联。特别值得一提的是，它已被用于某些反应中，使生物素酰肼与核酸直接结合，其潜在应用为荧光酰肼和羟胺与DNA的偶联。在组织学研究中，戊二醛可用于保存组织切片，以便进行更密切的检查。
应用
- 固定血液样品，进行扫描电镜(SEM)观察
- 固定支架进行SEM分析
- 在药物实验中处理K562（白血病）细胞，永久交联细胞组分
生化/生理作用
特点和优势
- 功能强大，适用于各种研究应用
- 即用型溶液减少制备时间
其他说明
可比产品
警示用语：
Danger
危险分类
Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 2 - Eye Dam. 1 - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 3
靶器官
Respiratory system
储存分类代码
8A - Combustible corrosive hazardous materials
WGK
WGK 3
个人防护装备
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
历史批次信息供参考:
分析证书(COA)
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相关内容
Three-dimensional (3D) printing of biological tissue is rapidly becoming an integral part of tissue engineering.
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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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Is this concentration of 25% expressed in terms of weight by weight (w/w), weight by volume (w/v), or volume by volume (v/v)?
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The concentration of the product is 25% w/w solution.
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