Propionic anhydride
SIAL/81942 - purum, ≥96.0% (NT)
Synonym: Propanoic anhydride
CAS Number: 123-62-6
Empirical Formula (Hill Notation): C6H10O3
Molecular Weight: 130.14
EC Number: 204-638-2
MDL Number: MFCD00009303
Linear Formula: (CH3CH2CO)2O
Product Type: Chemical
| assay | ≥96.0% (NT) |
| autoignition temp. | 545 °F |
| bp | 167 °C (lit.) |
| density | 1.010 g/mL at 20 °C |
| 1.015 g/mL at 25 °C (lit.) | |
| expl. lim. | 11.9 % |
| form | liquid |
| grade | purum |
| InChI | 1S/C6H10O3/c1-3-5(7)9-6(8 |
| InChI key | WYVAMUWZEOHJOQ-UHFFFAOYSA |
| mp | −43 °C (lit.) |
| Quality Level | 200  |
| refractive index | n |
| n |
|
| SMILES string | CCC(=O)OC(=O)CC |
| solubility | H2O: decomposes (when in contact with water) |
| vapor density | 4.5 (vs air) |
| vapor pressure | 10 mmHg ( 57.7 °C) |
| 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 |
| Packaging: | 1 L in glass bottle |
| Packaging: | 250 mL in glass bottle |
| Symbol |  GHS05 |
| Signal word | Danger |
| Hazard statements | H314 |
| Precautionary statements | P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363 |
| Hazard Codes | C |
| Risk Statements | 34 |
| Safety Statements | 26-45 |
| RIDADR | UN 2496 8 / PGIII |
| WGK Germany | WGK 1 |
| Flash Point(F) | 165.2 °F - closed cup |
| Flash Point(C) | 74 °C - closed cup |
| Purity | ≥96.0% (NT) |
| bp | 167 °C (lit.) |
| mp | −43 °C (lit.) |
| Density | 1.010 g/mL at 20 °C; 1.015 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352100 |