Name | isobutyl propionate |
Synonyms | i-Butylpropionat isobutyl propionate iso-Butyl n-propionate Propionic acid isobutyl 2-methylpropyl propanoate 2-Methyl-1-propyl propanoate Natural Isobutyl Propionate Isobutyl ester of propanoic acid Propionic acid 2-methylpropyl ester Propionic acid (2-methylpropyl) ester |
CAS | 540-42-1 |
EINECS | 208-746-0 |
InChI | InChI=1/C7H14O2/c1-4-7(8)9-5-6(2)3/h6H,4-5H2,1-3H3 |
InChIKey | FZXRXKLUIMKDEL-UHFFFAOYSA-N |
Molecular Formula | C7H14O2 |
Molar Mass | 130.18 |
Density | 0.869g/mLat 25°C(lit.) |
Melting Point | −71°C(lit.) |
Boling Point | 66.5 °C |
Flash Point | 80°F |
JECFA Number | 148 |
Solubility | 1.7g/l |
Vapor Presure | 7.85mmHg at 25°C |
Appearance | Liquid |
Color | Colorless |
Merck | 14,5150 |
Storage Condition | Flammables area |
Explosive Limit | 1.1-7.5%(V) |
Refractive Index | n20/D 1.397(lit.) |
Physical and Chemical Properties | Density 0.86
|
Risk Codes | 10 - Flammable |
Safety Description | 16 - Keep away from sources of ignition. |
UN IDs | UN 2394 3/PG 3 |
WGK Germany | 2 |
RTECS | UF4930000 |
HS Code | 29159000 |
Hazard Class | 3.2 |
Packing Group | III |
FEMA | 2212 | ISOBUTYL PROPIONATE |
olfactory threshold (Odor Threshold) | 0.02ppm |
NIST chemical information | Information provided by: webbook.nist.gov (external link) |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
toxicity | GRAS(FEMA). |
usage limit | FEMA(mg/kg): soft drink 5.4; Cold drink 4.2; Candy 25; Baked food 35. Moderate limit (FDA § 172.515,2000). |
use | GB 2760-96 specifies edible spices allowed to be used. Isobutyl propionate is mainly used to prepare fruit flavors such as rum and strawberries. |
production method | is obtained by direct esterification of isobutanol and propionic acid. |
category | flammable liquid |
toxicity classification | low toxicity |
acute toxicity | oral-rabbit LD50: 5599 mg/kg |
flammability hazard characteristics | flammability in case of open flame, high temperature and oxidant; Combustion produces stimulating smoke |
storage and transportation characteristics | warehouse ventilation and low temperature drying; separate from oxidant |
fire extinguishing agent | dry powder, dry sand, carbon dioxide, foam, 1211 fire extinguishing agent |