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Merck

385980

Sigma-Aldrich

苯甲酸酐

≥95%

别名:

双(苯基羰基)醚, 苯甲酰苯甲酸, 苯甲酸酐

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100 G
$95.10
500 G
$217.00

About This Item

线性分子式:
(C6H5CO)2O
CAS号:
分子量:
226.23
Beilstein:
516726
EC 号:
MDL编号:
UNSPSC代码:
12352100
PubChem化学物质编号:
NACRES:
NA.22

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质量水平

方案

≥95%

表单

solid

mp

38-42 °C (lit.)

密度

1.199 g/mL at 25 °C (lit.)

官能团

anhydride
ester
phenyl

SMILES字符串

O=C(OC(=O)c1ccccc1)c2ccccc2

InChI

1S/C14H10O3/c15-13(11-7-3-1-4-8-11)17-14(16)12-9-5-2-6-10-12/h1-10H

InChI key

CHIHQLCVLOXUJW-UHFFFAOYSA-N

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应用

苯甲酸酐可以用作:
  • 由羧酸和醇类合成羧酸酯的缩合试剂。[1]
  • 大内酯合成中的偶联剂。[2]
  • 使用ZSM-5-SO3H作为催化剂酰化磺酰胺、胺、醇和酚的酰化剂。[3]

它也可以用作制备苯甲酸苄酯 [4]、亚苄基二苯甲酸酯 [5]、4-苯甲酰甲苯 [6]的试剂。

象形图

Health hazardCorrosion

警示用语:

Danger

危险声明

危险分类

Eye Dam. 1 - Skin Irrit. 2 - STOT RE 1 Inhalation

靶器官

Lungs

储存分类代码

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

闪点(°F)

235.4 °F - closed cup

闪点(°C)

113 °C - closed cup

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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ZSM-5-SO3H: an efficient catalyst for acylation of sulfonamides amines, alcohols, and phenols under solvent-free conditions
Massah AR, et al.
ISRN Organic Chemistry, 2013(10), 2312-2312 (2013)
Acylations with long-chain acid anhydrides and acyl chlorides over zeolite beta
Bejblova M, et al.
Topics in Catalysis, 52(1-2), 178-184 (2009)
TMEDA: efficient and mild catalyst for the acylation of alcohols, phenols and thiols under solvent-free condition
Kadam ST, et al.
Bull. Korean Chem. Soc., 30(5), 1071-1076 (2009)
Formyloxyacetoxyphenylmethane and 1, 1-diacylals as versatile O-formylating and O-acylating reagents for alcohols
Chapman RSL, et al.
Tetrahedron, 74(44), 6442-6452 (2018)
J O Boison et al.
Journal of AOAC International, 81(6), 1267-1272 (1998-12-16)
A recently developed multiresidue method using gradient liquid chromatographic conditions for analysis of residues of beta-lactam drugs in bovine muscle tissues after precolumn derivatization with acetic anhydride was modified to permit isocratic analysis. The modification included replacing the acylating reagent

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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