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215163

Sigma-Aldrich

氯乙酸酐

95%

别名:

一氯乙酸酐

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About This Item

线性分子式:
(ClCH2CO)2O
CAS号:
541-88-8
分子量:
170.98
Beilstein:
774533
EC號碼:
208-794-2
MDL號碼:
MFCD00000929
分類程式碼代碼:
12352100
PubChem物質ID:
24852874
NACRES:
NA.22

蒸汽壓力

<0.75 mmHg ( 20 °C)

品質等級

200

化驗

95%

形狀

solid

bp

120-123 °C/20 mmHg (lit.)

mp

48-60 °C (lit.)

溶解度

chloroform: soluble 100 mg/mL, clear, colorless to faintly yellow

官能基

anhydride
chloro
ester

SMILES 字串

ClCC(=O)OC(=O)CCl

InChI

1S/C4H4Cl2O3/c5-1-3(7)9-4(8)2-6/h1-2H2

InChI 密鑰

PNVPNXKRAUBJGW-UHFFFAOYSA-N

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應用

氯乙酸酐已用于合成：
  • 3,3′-双（磺酸根）-4,4′-双（氯乙酰氨基）偶氮苯（BSBCA），一种水溶性、，硫醇反应性和光控交联剂
  • D，L-7-氮杂色氨酸（D，L-7AW）
  • 2-甲基-[3，4-二-O-乙酰基-6-O-（氯乙酰基）-1，2-二脱氧-α-D-连翘苷] - [2′，1′:4，5]-2-唑啉

象形圖

Skull and crossbonesCorrosion
GHS06,GHS05

訊號詞

Danger

危險聲明

H301,H314

危險分類

Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1B

儲存類別代碼

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

水污染物質分類（WGK）

WGK 3

閃點（°F）

289.4 °F - closed cup

閃點（°C）

143 °C - closed cup

個人防護裝備

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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分析证书(COA)

Lot/Batch Number
MKCQ6792
MKCP7811
MKCN0561
MKCM2362
MKCL1484

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K L Matta et al.
Carbohydrate research, 51(2), 215-222 (1976-11-01)
The use of the chloroacetyl group as a protecting group has been studied for a 2-methylglyco-[2',1':4,5]-2-oxazoline. The reaction of chloroacetyl chloride or chloroacetic anhydride with 2-acetamido-1,3,4-tri-O-acetyl-2-deoxy-beta-D-glucopyranose provided 2-acetamido-1,3,4-tri-O-acetyl-6-O-(chloroacetyl)-2-deoxy-beta-D-glucopyranose which, on treatment with anhydrous ferric chloride in dichloromethane, produced the desired
J D Brennan et al.
Analytical biochemistry, 252(2), 260-270 (1997-11-05)
The reaction of D,L-7-azatryptophan (D,L-7AW) with tryptophanyl-tRNA synthetase (TrpRS), adenosine triphosphate (ATP), and Mg2+ in the presence of inorganic pyrophosphatase results in the formation of a highly fluorescent l-7AW-adenylate complex. Detection of this complex is based on its enhanced fluorescence
Darcy C Burns et al.
Nature protocols, 2(2), 251-258 (2007-04-05)
This protocol describes a procedure for the synthesis of 3,3'-bis(sulfonato)-4,4'-bis(chloroacetamido)azobenzene (BSBCA), a water-soluble, thiol-reactive, photo-switchable cross-linker. In addition, a protocol is outlined for installing the cross-linker in an intramolecular fashion onto proteins bearing two surface-exposed Cys residues. BSBCA is designed

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