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554-12-1

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Identification

Name
Methyl propionate
CAS
554-12-1
Synonyms
C3
FEMA 2742
METHYL PROPANOATE
METHYL PROPIONATE
METHYL PROPYLATE
PROPANOIC ACID METHYL ESTER
PROPIONIC ACID METHYL ESTER
RARECHEM AL BF 0159
TRIANOIC ACID METHYL ESTER
C2H5COOCH3
femanumber2742
Methyl ester of propanoic acid
Methylester kyseliny propionove
methylesterkyselinypropionove
Propionate de methyle
propionatedemethyle
propionatedemethyle(french)
METHYL PROPIONATE, STANDARD FOR GC
METHYL PROPIONATE 98+%
METHYL PROPIONATE OEKANAL
EINECS(EC#)
209-060-4
Molecular Formula
C4H8O2
MDL Number
MFCD00009306
Molecular Weight
88.11
MOL File
554-12-1.mol

Chemical Properties

Appearance
colourless liquid
Appearance
Methyl propionate is colorless liquid with a sweet, fruity, rum-like odor.
mp 
-88 °C
Melting point 
-88 °C (lit.)
Boiling point 
79 °C (lit.)
bp 
79 °C(lit.)

density 
0.915 g/mL at 25 °C(lit.)

vapor density 
3 (vs air)

vapor pressure 
40 mm Hg ( 11 °C)

FEMA 
2742
refractive index 
n20/D 1.376(lit.)

Fp 
43 °F

storage temp. 
Flammables area
solubility 
H2O: soluble16 parts
form 
Liquid
color 
Clear colorless
Stability:
Stable. Highly flammable. Incompatible with strong oxidizing agents, acids, bases. Readily forms explosive mixtures with air. Moisture sensitive.
explosive limit
2.5-13%(V)
Water Solubility 
5 g/100 mL at 20 ºC
Merck 
14,6112
JECFA Number
141
BRN 
1737628
CAS DataBase Reference
554-12-1(CAS DataBase Reference)
NIST Chemistry Reference
Propanoic acid, methyl ester(554-12-1)
EPA Substance Registry System
554-12-1(EPA Substance)

Safety Data

Hazard Codes 
F,Xn
Risk Statements 
R11:Highly Flammable.
R20:Harmful by inhalation.
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
S24:Avoid contact with skin .
S29:Do not empty into drains .
S33:Take precautionary measures against static discharges .
RIDADR 
UN 1248 3/PG 2

WGK Germany 
1

RTECS 
UF5970000

Autoignition Temperature
876 °F
TSCA 
Yes
HazardClass 
3
PackingGroup 
II
HS Code 
29155090
Safety Profile
Moderately toxic by ingestion. Mildly toxic by inhalation. A skin irritant. A very dangerous fire hazard when exposed to heat, flame, or oxidizers. Explosive in the form of vapor when exposed to heat or flame. To fight fire, use foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazardous Substances Data
554-12-1(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 5000 mg/kg

Raw materials And Preparation Products

Hazard Information

General Description
A clear colorless liquid. Flash point 28°F. Density about the same as water. Vapors heavier than air. May irritate skin, eyes, and mucous membranes. Used for flavoring and as a solvent.
Reactivity Profile
METHYL PROPIONATE(554-12-1) reacts with acids to liberate heat along with alcohols and acids. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Heat is also generated by the interaction with caustic solutions. Flammable hydrogen is generated with alkali metals and hydrides.
Air & Water Reactions
Highly flammable. Soluble in water.
Hazard
Flammable, dangerous fire risk, explosivelimits in air 2.5–13%.
Health Hazard
May cause toxic effects if inhaled or absorbed through skin. Inhalation or contact with material may irritate or burn skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.
Potential Exposure
Used as a solvent; and in making paints, lacquers, and varnishes. Also used in flavorings and fragrances
Fire Hazard
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.
First aid
If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit.
Shipping
UN1248 Methyl propionate, Hazard Class: 3; Labels: 3-Flammable liquid.
Incompatibilities
May form explosive mixture with air. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. Keep away from heat and moisture.
Chemical Properties
Methyl propionate has a fruity odor reminiscent of rum with a sweet flavor suggestive of black currant. May be prepared by direct esterification of the acid with methanol in the presence of concentrated H2S04.
Chemical Properties
Methyl propionate has a fruity odor reminiscent of rum. It has a sweet flavor suggestive of black currant
Chemical Properties
Methyl propionate is colorless liquid with a sweet, fruity, rum-like odor.
Chemical Properties
colourless liquid
Occurrence
Reported found in guava, honey, melon, pineapple, raspberry, blackberry, strawberry, cheddar cheese, cooked beef, coffee, soy protein, durian (Durio zibethinus), starfruit, plum brandy, cherimoya, kiwifruit, naranjilla, mussels and rooibus tea (Aspalathus linearis)
Uses
In organic synthesis.
Uses
Methyl propionate is used as a solvent for cellulose nitrate and lacquers, and as a raw material for the production of paints, varnishes and other chemicals such as methyl methacrylate.
Due to its fruity smell and taste, it is also used in fragrances and flavoring.
Preparation
Methyl propionate can be prepared by esterification of propionic acid with methanol. Industrially, it is prepared by the reaction of ethylene with carbon monoxide and methanol in the presence of nickel carbonyl.
Production Methods
Methyl propionate is produced by the direct esterification of propionic acid with methanol in the presence of concentrated sulfuric acid .
Aroma threshold values
Detection: 100 ppb to 8.8 ppm
Chemical Synthesis
By direct esterification of the acid with methanol in the presence of concentrated H2SO4
Purification Methods
Wash the ester with saturated aqueous NaCl, then dry it with Na2CO3 and distil it from P2O5. (This removes any free acid and alcohol.) It has also been dried with anhydrous CuSO4. [Beilstein 2 IV 104.]

Material Safety Data Sheet(MSDS)

Questions And Answer

Description
Methyl propionate is an organic compound belonging to the family of carboxylic acid esters, which is commonly applied as a solvent for cellulose nitrate and lacquers. It also serves as a raw material in organic synthesis for manufacturing paints, varnishes and other chemical productions such as methyl methacrylate. Besides, the fruity smell and taste of methyl propanoate results in its usage of fragrances and flavoring agents.
Methyl propanoate can be synthesized by esterifying propionic acid with methanol. In the field of industry, it is produced by the reaction of ethylene with carbon monoxide and methanol in the presence of nickel carbonyl.
References
https://en.wikipedia.org/wiki/Methyl_propionate
https://pubchem.ncbi.nlm.nih.gov/compound/11124#section=Top
https://www.alfa.com/zh-cn/catalog/A14944/

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