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338826

Sigma-Aldrich

乙酸

glacial, ≥99.99% trace metals basis

别名:

冰乙酸

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About This Item

线性分子式:
CH3CO2H
CAS号:
64-19-7
分子量:
60.05
Beilstein:
506007
EC 号:
200-580-7
MDL编号:
MFCD00036152
UNSPSC代码:
12352106
PubChem化学物质编号:
329754692
NACRES:
NA.21
价格与库存信息目前不能提供

Agency

suitable for ASTM® 7969
suitable for ASTM® 7979
suitable for DIN 38407-43
suitable for EPA 1634
suitable for EPA 534
suitable for EPA 8328
suitable for EPA ACB B21-03
suitable for ISO 21675 2019
suitable for ISO 25101
suitable for ISO/CEN 15968-2011

质量水平

100

蒸汽密度

2.07 (vs air)

方案

≥99.99% trace metals basis

表单

liquid

自燃温度

800 °F

expl. lim.

16 %, 92 °F
4 %, 59 °F

技术

HPLC: suitable

折射率

n20/D 1.371 (lit.)

pH值（酸碱度）

2.5 (20 °C, 50 g/L)

沸点

117-118 °C (lit.)

mp

16.2 °C (lit.)

密度

1.04 g/mL at 25 °C (lit.)

SMILES字符串

[F2C(F2C)13F3C]C(O)=O

InChI

1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)

InChI key

QTBSBXVTEAMEQO-UHFFFAOYSA-N

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应用

乙酸可用作催化剂：
  • 用于吲哚与芳基或杂芳基醛的无溶剂一锅缩合以合成二(吲哚基)甲烷。
  • 用环酮取代色胺合成四氢-Ͱ-咔啉的Pictet-Spengler反应。
  • 通过多米诺多组分反应合成三取代噻唑。

它还可被用作：
  • 通过氰尿酰氯与芳香胺的芳基胺化来合成芳基胺官能化的1，3，5-三嗪衍生物的溶剂。

法律信息

ASTM is a registered trademark of American Society for Testing and Materials

象形图

FlameCorrosion
GHS02,GHS05

警示用语：

Danger

危险声明

H226,H314

危险分类

Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A

储存分类代码

3 - Flammable liquids

WGK

WGK 1

闪点(°F)

102.2 °F - closed cup

闪点(°C)

39 °C - closed cup

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
SHBP5893
SHBP9755
SHBN7439
SHBN5156
SHBN4145

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Slide 1 of 4

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冰醋酸 United States Pharmacopeia (USP) Reference Standard

USP

1005706

冰醋酸

醋酸（冰）100％ for inorganic trace analysis, Suprapur®

Supelco

1.00066

醋酸（冰）100％

乙酸 Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

PHR1748

乙酸

100%醋酸 for HPLC LiChropur™

Supelco

5.43808

100%醋酸

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In healthy individuals, postexercise protein supplementation increases muscle protein anabolism. In patients with muscular dystrophies, aerobic exercise improves muscle function, but the effect of exercise on muscle protein balance is unknown. Therefore, we investigated 1) muscle protein balance before, during
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商品

Analysis: Activated Nucleotide Sugars by LC-MS/MS

LC-MS/MS method quantifies similar polar nucleotide activated sugars using Supel™ Carbon LC column for simultaneous analysis.

Analysis: Activated Nucleotide Sugars by LC-MS/MS

LC-MS/MS method quantifies similar polar nucleotide activated sugars using Supel™ Carbon LC column for simultaneous analysis.

Analysis: Activated Nucleotide Sugars by LC-MS/MS

LC-MS/MS method quantifies similar polar nucleotide activated sugars using Supel™ Carbon LC column for simultaneous analysis.

Analysis: Activated Nucleotide Sugars by LC-MS/MS

LC-MS/MS method quantifies similar polar nucleotide activated sugars using Supel™ Carbon LC column for simultaneous analysis.

Questions

1–2 of 2 Questions  

  1. 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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  2. 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/449/386/product-dating-information-mk.pdf

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