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100042 Acetic anhydride

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Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
108-24-7203-564-8C₄H₆O₃(CH₃CO)₂O102.09 g/molACS,ISO,Reag. Ph Eur


Catalogue NumberPackaging Qty/Pack
1000429025 Plastic container 25 l
Catalogue Number100042
SynonymsAcetyl acetate, Acetyl oxide
Product Information
CAS number108-24-7
EC index number607-008-00-9
EC number203-564-8
GradeACS,ISO,Reag. Ph Eur
Hill FormulaC₄H₆O₃
Chemical formula(CH₃CO)₂O
Molar Mass102.09 g/mol
HS Code2915 24 00
Structure formula ImageStructure formula Image
Quality LevelMQ300
Biological Information
Physicochemical Information
Density1.080 g/cm3 (20 °C)
Evaporation number0.46
Explosion limit2.0 - 10.2 %(V)
Flash point49 °C
Ignition temperature330 °C
Melting Point-73 °C
pH value3 (10 g/l, H₂O, 20 °C)
Vapor pressure4 hPa (20 °C)
Materials Information
Toxicological Information
LD 50 oralLD50 Rat 630 mg/kg
LD 50 dermalLD50 Rabbit 4320 mg/kg
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s)H226: Flammable liquid and vapour.
H302: Harmful if swallowed.
H314: Causes severe skin burns and eye damage.
H330: Fatal if inhaled.
EUH071: Corrosive to the respiratory tract.
Precautionary Statement(s)P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.
P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P304 + P340 + P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal WordDanger
Storage class3 Flammable liquids
WGKWGK 1 slightly hazardous to water
Organic acid halides, anhydrides and isocyanates can be added dropwise to an excess of methanol (Cat. No. 822283) to convert them into the corresponding methyl esters or methyl carbamates. If necessary, neutralize with sodium hydroxide solution (Cat. No. 105587). Fill into container A.
Safety Information
Categories of dangerflammable, harmful, corrosive
Product Usage Statements
Storage and Shipping Information
StorageStore at +2°C to +30°C.
Packaging Information
Transport Information
Declaration (railroad and road) ADR, RIDUN 1715 , 8 (3), II
Declaration (transport by air) IATA-DGRUN 1715 , 8 (3), II
Declaration (transport by sea) IMDG-CodeUN 1715 , 8 (3), II, Segregation Group: 1 (Acids)
Supplemental Information
Purity (GC)≥ 98.5 %
Identity (IR)conforms
Color≤ 10 Hazen
Chloride (Cl)≤ 2 ppm
Sulfate (SO₄)≤ 5 ppm
Phosphate (PO₄)≤ 5 ppm
Heavy metals (as Pb)≤ 2 ppm
Readily carbonizable substancesconforms
Substances reducing potassium permanganate (as O)≤ 150 ppm
Al (Aluminium)≤ 0.5 ppm
B (Boron)≤ 0.02 ppm
Ba (Barium)≤ 0.1 ppm
Ca (Calcium)≤ 0.5 ppm
Cd (Cadmium)≤ 0.05 ppm
Co (Cobalt)≤ 0.02 ppm
Cr (Chromium)≤ 0.05 ppm
Cu (Copper)≤ 0.02 ppm
Fe (Iron)≤ 0.1 ppm
Mg (Magnesium)≤ 0.1 ppm
Mn (Manganese)≤ 0.02 ppm
Ni (Nickel)≤ 0.02 ppm
Pb (Lead)≤ 0.1 ppm
Sn (Tin)≤ 0.1 ppm
Zn (Zinc)≤ 0.1 ppm
Evaporation residue≤ 20 ppm
Global Trade Item Number
Catalogue Number GTIN
1000429025 04022536001173