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8.22252

Sigma-Aldrich

Acetyl chloride

for synthesis

Synonym(s):

Acetyl chloride, Acetic acid chloride, Acetoxy chloride

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About This Item

Empirical Formula (Hill Notation):
C2H3ClO
CAS Number:
Molecular Weight:
78.50
MDL number:
UNSPSC Code:
12352106
EC Index Number:
200-865-6
NACRES:
NA.22

vapor pressure

320 hPa ( 20 °C)

Quality Level

form

liquid

autoignition temp.

390 °C (DIN 51794)

expl. lim.

7.3-19 % (v/v)

bp

52 °C/1013 hPa

mp

-112 °C

transition temp

flash point 5 °C

density

1.10 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C2H3ClO/c1-2(3)4/h1H3

InChI key

WETWJCDKMRHUPV-UHFFFAOYSA-N

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Application

  • Acetyl chloride in nano-electrospray ionization: Acetyl chloride is utilized for consecutive-ionization of cholesterol in nano-electrospray mass spectrometry, enhancing lipid analysis capabilities (Foest et al., 2023).
  • Acetyl chloride in live-cell imaging: A study details the use of acetyl chloride in developing a coumarin-based fluorescent probe for ratiometric detection of hydrazine, applicable in live cell imaging (Qu et al., 2019).
  • Acetyl chloride in archaeological preservation: Acetyl chloride is applied in the chemical characterization of archaeological wood, providing insights into the conservation of historical artifacts (Zoia et al., 2017).

Analysis Note

Assay (morpholine method): ≥ 98.0 %
Density (d 5°C/ 4°C): 1.127 - 1.129
Identity (IR): passes test

pictograms

FlameCorrosion

signalword

Danger

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B

supp_hazards

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

41.0 °F

flash_point_c

5 °C


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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