Skip to Content
Merck
All Photos(1)

Key Documents

AX0080

Supelco

Acetic Anhydride

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Synonym(s):

Acetic Anhydride, Acetyl Oxide,Ethanoic Anhydride, Acetic Acid

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
(CH3CO)2O
CAS Number:
MDL number:
UNSPSC Code:
12352106
EC Index Number:
203-564-8

vapor pressure

4 hPa ( 20 °C)

Quality Level

Assay

≥99.0% (GC)

form

liquid

impurities

≤100 ppm Water (H2O)

evapn. residue

≤0.003%

pH

3 (20 °C, 10 g/L in H2O)

mp

-73 °C

transition temp

flash point 49 °C

anion traces

chloride (Cl-): ≤5 ppm
phosphate (PO43-): ≤0.001%
sulfate (SO42-): ≤5 ppm

cation traces

Fe: ≤5 ppm
heavy metals (as Pb): ≤2 ppm

shipped in

ambient

storage temp.

room temp

InChI

1S/C4H6O3/c1-3(5)7-4(2)6/h1-2H3

InChI key

WFDIJRYMOXRFFG-UHFFFAOYSA-N

Related Categories

Analysis Note

Assay (GC): 99.0% min
Chloride (Cl): 5ppm max
Color (APHA):
Evaporation residue: 0.003% max
Form: Clear liquid
Heavy metals (as Pb): 2ppm max
Infrared Spectrum: Conforms to standard
Iron (Fe): 5ppm max
Phosphate (PO4): 0.001% max
Substances reducing permanganate: To pass test
Sulfate (SO4): 5ppm max
Water (H2O): 100ppm max

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

120.2 °F - closed cup

Flash Point(C)

49 °C - closed cup


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.

EU REACH Annex XVII (Restriction List)

CAS No.

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