81942

Propionic anhydride

purum, ≥96.0% (NT)

• Synonyma: Propanoic anhydride
• Lineární vzorec: (CH₃CH₂CO)₂O
• Číslo CAS: 123-62-6
• Molekulová hmotnost: 130.14
• Beilstein/REAXYS Number: 507066
• EC Number: 204-638-2
• MDL number: MFCD00009303
• UNSPSC Code: 12352100
• PubChem Substance ID: 329769224
• NACRES: NA.22

Vlastnosti

• vapor density: 4.5 (vs air)
• Quality Level: 200
• vapor pressure: 10 mmHg ( 57.7 °C)
• grade: purum
• assay: ≥96.0% (NT)
• form: liquid
• autoignition temp.: 545 °F
• expl. lim.: 11.9 %
• refractive index: n20/D 1.404 (lit.); n20/D 1.404
• bp: 167 °C (lit.)
• mp: −43 °C (lit.)
• solubility: H₂O: decomposes (when in contact with water)
• density: 1.010 g/mL at 20 °C; 1.015 g/mL at 25 °C (lit.)
• SMILES string: CCC(=O)OC(=O)CC
• InChI: 1S/C6H10O3/c1-3-5(7)9-6(8)4-2/h3-4H2,1-2H3
• InChI key: WYVAMUWZEOHJOQ-UHFFFAOYSA-N

Popis

Application

Propionic anhydride can be used:

• As an esterifying reagent in the modification of cassava starch by acylation reaction.
• As a reactant along with anisole in the synthesis of 4-methoxypropiophenone using various solid acid catalysts via Friedel−Crafts acylation reaction.
• As a reagent in the synthesis of cyanohydrin esters by treating KCN with aldehyde in presence of bimetallic titanium(salen) complex catalyst.

Other Notes

Sales restrictions may apply

Bezpečnostní informace

• pictograms: GHS05
• signalword: Danger
• hcodes: H314
• pcodes: P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363 - P405
• Hazard Classifications: Eye Dam. 1 - Skin Corr. 1B
• Storage Class: 8A - Combustible corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: 165.2 °F - closed cup
• flash_point_c: 74 °C - closed cup
• ppe: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter