Name | Methyl butyrate |
Synonyms | FEMA 2693 Methyl butyrate METHYL BUTYRATE methyl butanoate METHYL BUTANOATE METHYL N-BUTYRATE methyl n-butanoate RARECHEM AL BF 0162 BUTYRIC ACID METHYL ESTER N-BUTYRIC ACID METHYL ESTER TETRANOIC ACID METHYL ESTER |
CAS | 623-42-7 |
EINECS | 210-792-1 |
InChI | InChI=1/C5H10O2/c1-3-4-5(6)7-2/h3-4H2,1-2H3 |
Molecular Formula | C5H10O2 |
Molar Mass | 102.13 |
Density | 0.898 g/mL at 25 °C (lit.) |
Melting Point | -85--84°C |
Boling Point | 102-103 °C (lit.) |
Flash Point | 53°F |
JECFA Number | 149 |
Water Solubility | Slightly soluble in water. |
Solubility | water: soluble60 part |
Vapor Presure | 40 mm Hg ( 30 °C) |
Vapor Density | 3.5 (vs air) |
Appearance | Liquid |
Color | Clear colorless to very slightly yellow |
Merck | 14,6035 |
BRN | 1740743 |
Storage Condition | Flammables area |
Stability | Stable. Flammable. Incompatible with strong bases, strong oxidizing agents. |
Explosive Limit | 1.6%(V) |
Refractive Index | n20/D 1.385(lit.) |
Physical and Chemical Properties | Colorless liquid. Apple and cheese aroma, concentration of less than 100 mg/kg banana and pineapple aroma. The boiling point is 102 ° C, the flash point is 14 ° C, the refractive index (nD20) is 1.3873, and the relative density (d2525) is 0.8981. Miscible in ethanol and ether, slightly soluble in water (1:60). Natural products are found in round grapefruit juice, apple juice, jackfruit, Kiwi, mushrooms, etc. |
Risk Codes | R20 - Harmful by inhalation R36/37/38 - Irritating to eyes, respiratory system and skin. R11 - Highly Flammable |
Safety Description | S16 - Keep away from sources of ignition. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S33 - Take precautionary measures against static discharges. S29 - Do not empty into drains. S9 - Keep container in a well-ventilated place. |
UN IDs | UN 1237 3/PG 2 |
WGK Germany | 2 |
RTECS | ET5500000 |
FLUKA BRAND F CODES | 13 |
TSCA | Yes |
HS Code | 29156000 |
Hazard Class | 3 |
Packing Group | II |
FEMA | 2693 | METHYL BUTYRATE |
olfactory Threshold | 0.0071ppm |
NIST chemical information | information provided by: webbook.nist.gov (external link) |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
content analysis | determined by gas chromatography (GT-10-4) using a non-polar column method. |
toxicity | GRAS(FEMA). |
usage limit | FEMA(mg/kg): Soft drink 17; Cold drink 31; Candy 86; baking food 48~200. Moderate limits (FDA § 172.515,2000). |
Use | GB 2760 1996 specifies the permitted use of flavorants. Mainly used in the preparation of milk, cheese and apple flavor. gas chromatographic analysis standard. Solvents for ethyl cellulose, nitrocellulose and celluloid. Flavor of wine and fruit juice standard for gas chromatographic analysis. Ethyl cellulose, nitrocellulose and celluloid solvents. Analytical standards were used for environmental analysis. |
production method | consists of esterification of methyl alcohol and butyric acid in the presence of concentrated sulfuric acid. |
category | flammable liquid |
toxicity grade | micro-toxicity |
Acute toxicity | oral-rat LD50: 5000 mg/kg; Inhalation-mouse LD50:18g/m3/2 h |
stimulation data | Skin-rabbit 500 PPM/ 24 h moderate |
flammability hazard characteristics | in case of open flame, high temperature, flammable oxidant; Combustion stimulus smoke |
storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; Stored separately from oxidants and acids |
extinguishing agent | dry powder, dry sand, carbon dioxide, foam |
Occupational Standard | SEL 5 mg/m3 |
toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |