A6846412
Propionic anhydride , ≥97%(GC) , 123-62-6
Synonym(s):
Propanoic anhydride;Propionic anhydride
CAS NO.:123-62-6
Empirical Formula: C6H10O3
Molecular Weight: 130.14
MDL number: MFCD00009303
EINECS: 204-638-2
Update time: 2022-07-08
PRODUCT Properties
Melting point: | -42 °C |
Boiling point: | 167 °C(lit.) |
Density | 1.015 g/mL at 25 °C(lit.) |
vapor density | 4.5 (vs air) |
vapor pressure | 10 mm Hg ( 57.7 °C) |
refractive index | n |
Flash point: | 165 °F |
storage temp. | Store below +30°C. |
solubility | H2O: decomposes (when in contact with water) |
form | clear liquid |
color | Colorless to Almost colorless |
Odor | like acetaldehyde |
PH | 2.5 (100g/l, H2O, 20℃)(calculated on the free acid) |
explosive limit | 1.3-9.5%(V) |
Water Solubility | hydrolyses |
Sensitive | Moisture Sensitive |
Merck | 14,7826 |
BRN | 507066 |
Dielectric constant | 18.0(16℃) |
Stability: | Stable. Combustible. Incompatible with strong oxidizing agents, water, moisture, most common metals, active halogen compounds, ammonia, amines. |
LogP | 0.33 at 20℃ |
CAS DataBase Reference | 123-62-6(CAS DataBase Reference) |
NIST Chemistry Reference | Propanoic acid, anhydride(123-62-6) |
EPA Substance Registry System | Propionic anhydride (123-62-6) |
Description and Uses
Propionic anhydride is used as a esterifying agent for certain perfume oils, fats, oils, and especially cellulose and as a reagent in organic synthesis. In the production of alkyd resins, dyestuffs and drugs. Has been used as a dehydrating agent in some sulfonations and nitrations.
Safety
Symbol(GHS) | 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-R34 |
Safety Statements | 26-45-S45-S26 |
RIDADR | UN 2496 8/PG 3 |
WGK Germany | 1 |
RTECS | UF9100000 |
Autoignition Temperature | 545 °F |
Hazard Note | Corrosive/Moisture Sensitive |
TSCA | Yes |
HS Code | 2915 90 70 |
HazardClass | 8 |
PackingGroup | III |
Hazardous Substances Data | 123-62-6(Hazardous Substances Data) |
Toxicity | LD50 orally in rats: 2.36 g/kg (Smyth) |