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Specification

Concerning Product:
Article number 108247LRI
Trade name / designation / denomination Essigsäureanhydrid 99%
Acetic Anhydride
CAS number 108-24-7
Other names / synonyms•ACETIC ANHYDRIDE; •ACETIC ANHYDRIDE-D6; •Acetic Anhydride; •Acetic Anhydride (ca. 1mol/L in Dichloromethane); •Acetic Anhydride, Reagent, ACS; •Acetic anhydride; •Acetic anhydride, ACS; •Acetic anhydride-d6; •acetic acid acetyl ester; •acetic anhydride;
EC number203-564-8
EC index number607-008-00-9
Customs tariff number / CN code / TARIC29152400
Molecular weight [g / mol]102,09
FormulaC4H6O3
Danger 1715, 8 (Ätzende Stoffe),
Flammable liquid and vapour. Harmful if swallowed. Causes severe skin burns and eye damage. May cause respiratory irritation.
Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: IF IN EYES: IF exposed or if you feel unwell: Immediately call a POISON CENTER or doctor/physician. Rinse mouth. Do NOT induce vomiting. Remove contact lenses, if present and easy to do. Continue rinsing. Rinse cautiously with water for several minutes.


Parameter Test Method Specification Unit

Organoleptic test
Appearance Visual Colorless liquid with pungent odour
Colour D 5386 ≤ 15 Apha

Physical parameter
Acidity/Alkalinity As per GC report NMT 0.5 Wt%
Boiling range As per standards 138.5  –  141.5 °C
Specific weight 20°C 1.080  –  1.084

Identity
Assay GC ≥ 99,5 Wt%

Impurities
Residue on ignition ≤ 0.005 Wt%
Heavy Metals (as Pb) Atomic absorption spectroscopy (AAS) ≤ 1 ppm
Sulphates (SO4) As per standards ≤ 1 ppm
Residue on evaporation ≤ 0.0050
Impurity GC derivative method Butyryl Content ≤ 30 ppm
Impurity Permanganate Time ≥ 10 Minutes
Impurity GC derivative method Propionyl Content ≤ 200 ppm

Elemental Impurities
Chlorides (Cl) As per standards ≤ 1 ppm
Iron (Fe) Atomic absorption spectroscopy (AAS) ≤ 1 ppm

Supplemental information:

Packing: Bulk


Chemische Werke Hommel GmbH & Co.KG
This document was generated electronically and is valid without signature.
Waltrop, 05. Oct. 2020
We only confirm that we took over the data from our supplier accordingly. Despite careful working, errors in the takeover are not totally excluded. Some or all parts off the document may be translated due to our best knowledge from the original to give a better understanding. If you have any questions about specific details, please call us directly. Unless otherwise marked, these data do not originate from us and have not been tested by us on the correctness. The above information corresponds to the present state of our knowledge and is intended as a general description of our products and their possible applications. We make no warranties, expressed or implied, as to the information's accuracy, adequacy, sufficiency or freedom from defect and assumes no liability in connection with any use of this information. Any user of this product is responsible for determining the suitability of our products for its particular application. The foregoing information does not absolve the buyer of its own tests. Observing existing laws and regulations, is the responsibility of the buyer of our product. Nothing included in this information waives any of our General Terms and Conditions of Sale, which control unless it agrees other in writing. Any existing intellectual/industrial property rights must be observed. Due to possible changes in our products and applicable national and international regulations and laws, the status of our products could change. Material Safety Data Sheets providing safety precautions, that should be observed when handling or storing our products, are available upon request and are provided in compliance with applicable law. The user should obtain and review the applicable Material Safety Data Sheet information before handling any of these products. For additional information, please contact us.


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