Skip to Content
Merck
All Photos(1)

Key Documents

Safety Information

8.22252

Sigma-Aldrich

Acetyl chloride

for synthesis

Synonym(s):

Acetyl chloride, Acetic acid chloride, Acetoxy chloride

Sign Into View Organizational & Contract Pricing


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

Looking for similar products? Visit Product Comparison Guide

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

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

41.0 °F

Flash Point(C)

5 °C


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Flammable liquids
Type 1 petroleums
Hazardous rank II
Water insoluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names


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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service