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
推荐产品
产品名称
乙腈, isocratic grade for liquid chromatography LiChrosolv®
等级
HPLC grade
质量水平
蒸汽密度
1.41 (vs air)
蒸汽压
72.8 mmHg ( 20 °C)
97 hPa ( 20 °C)
描述
isocratic
产品线
LiChrosolv®
方案
≥99.8% (GC)
表单
liquid
自燃温度
524 °C
973 °F
expl. lim.
16 %
技术
HPLC: suitable
杂质
≤0.0002 meq/g Alkalinity
≤0.0005 meq/g Acidity
≤0.05% Water
蒸发残留物
≤4.0 mg/L
透射比
195 nm, ≥70%
200 nm, ≥90%
240 nm, ≥98%
折射率
n20/D 1.344 (lit.)
沸点
81-82 °C (lit.)
mp
−45 °C (lit.)
转变温度
flash point 2 °C
密度
0.786 g/mL at 25 °C (lit.)
包装形式
neat
储存温度
2-30°C
SMILES字符串
CC#N
InChI
1S/C2H3N/c1-2-3/h1H3
InChI key
WEVYAHXRMPXWCK-UHFFFAOYSA-N
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一般描述
特点和优势
- 已通过0.2 µm滤膜过滤
- 高分离度、灵敏度和优化的色谱峰基线分离
制备说明
分析说明
同一性（IR）：符合
蒸发残留物： ≤ 4.0 mg/l
水： ≤ 0.05％
酸度： ≤ 0.0005 meq/g
碱度： ≤ 0.0002 meq/g
透射率（195 nm）： ≥ 70％
透射率（200 nm）： ≥ 90 %
透射率（从240起 nm开始）： ≥ 98％
经0.2 µm过滤器过滤
法律信息
警示用语：
Danger
危险分类
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2
储存分类代码
3 - Flammable liquids
WGK
WGK 2
闪点(°F)
35.6 °F - closed cup
闪点(°C)
2.0 °C - closed cup
商品
Optimization of a Reversed-Phase Liquid Chromatographic (RP-LC) method for the intact analysis of a therapeutic monoclonal antibody, trastuzumab, using a BIOshell™ A400 Protein C4 column.
A new HPLC-RI method is proposed for the analysis of Lactose in milk using a Chromolith® NH2 column.
Development of an HPTLC based method, using Silica Gel 60 F254 plate, to determine Betamethasone Sodium Phosphate over a concentration range of 1 to 7 µg/spot.
LC-MS/MS quantitative method analyzes highly polar 11 nucleotide activated sugars using Supel™ Carbon LC column.
实验方案
Folic acid vs. folate differences and biological activities; implications in fortified foods and supplements for human health.
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Helpful?
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How can I determine the shelf life / expiration / retest date of this product?
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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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