8.00608

Propionic anhydride

for synthesis

• Synonym(s): Propionic anhydride
• Empirical Formula (Hill Notation): C₆H₁₀O₃
• CAS Number: 123-62-6
• Molecular Weight: 130.14
• MDL number: MFCD00009303
• UNSPSC Code: 12352106
• EC Index Number: 204-638-2
• NACRES: NA.22

Properties

• vapor pressure: 1 hPa ( 20 °C)
• Quality Level: 200
• assay: ≥98.0% (GC)
• form: liquid
• autoignition temp.: 285 °C
• potency: 2360 mg/kg LD₅₀, oral (Rat); 10000 mg/kg LD₅₀, skin (Rabbit)
• expl. lim.: 1.3-9.5 % (v/v)
• pH: 2.5 (20 °C, 100 g/L in H₂O, calculated on the free acid)
• bp: 167 °C/1013 hPa
• mp: -45 °C
• transition temp: flash point 63 °C
• density: 1.01 g/cm³ at 20 °C
• storage temp.: 2-30°C
• InChI: 1S/C6H10O3/c1-3-5(7)9-6(8)4-2/h3-4H2,1-2H3
• InChI key: WYVAMUWZEOHJOQ-UHFFFAOYSA-N

Description

Application

<ul>
<li><strong>Trace Amines Quantification:</strong> Propionic anhydride is used to derivatize the amino and hydroxyl groups for catecholamines and indolesin (de Bruyn et al., 2024).</li>
<li><strong>Asphaltene Oxidation Research:</strong> It is used in the oxidation of asphaltene and in the synthesis of peroxypropionic acid (Zhao et al., 2023).</li>
<li><strong>In Acylation Reactions:</strong> Used in the acylation of 1,2-methylenedioxybenzene (MDB) during the synthesis of 3,4-methylenedioxypropiophenone (MDP1P) and propionic acid.<br /> (Schiaroli et al., 2023).</li>
</ul>

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.009 - 1.011
Identity (IR): passes test

Safety Information

• pictograms: GHS05
• signalword: Danger
• hcodes: H314
• pcodes: P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
• Hazard Classifications: Eye Dam. 1 - Skin Corr. 1B
• Storage Class: 8A - Combustible corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: 145.4 °F
• flash_point_c: 63 °C