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79-09-4

79-09-4 Structure

79-09-4 Structure
IdentificationMore
[Name]

Propionic acid
[CAS]

79-09-4
[Synonyms]

AKOS BBS-00003731
C3
CARBOXYETHANE
CARBOXYLIC ACID C3
ETHANECARBOXYLIC ACID
ETHYLFORMIC ACID
FEMA 2924
METHYL ACETIC ACID
PROPANOIC ACID
PROPANYL ACID
PROPIONATE ION CHROMATOGRAPHY STANDARD
PROPIONIC ACID
PROPRIONIC ACID
RARECHEM AL BO 0158
TRIANOIC ACID
Acide propionique
acidepropionique
acidepropionique[french]
Adofeed
Antischim B
[EINECS(EC#)]

201-176-3
[Molecular Formula]

C3H6O2
[MDL Number]

MFCD00002756
[Molecular Weight]

74.08
[MOL File]

79-09-4.mol
Chemical PropertiesBack Directory
[Appearance]

Clear, colorless liquid
[Appearance]

Propionic acid is a colorless liquid. Sharp, rancid odor. The Odor Threshold is 0.16 ppm.
[mp ]

−24-−23 °C(lit.)
[bp ]

141 °C(lit.)
[density ]

0.993 g/mL at 25 °C(lit.)
[vapor density ]

2.55 (vs air)
[vapor pressure ]

2.4 mm Hg ( 20 °C)
[FEMA ]

2924
[refractive index ]

n20/D 1.386(lit.)
[Fp ]

125 °F
[storage temp. ]

0-6°C
[Stability:]

Stable. Incompatible with strong oxidizing agents. Flammable.
[Water Solubility ]

37 g/100 mL
[Detection Methods]

GC,NMR
[Merck ]

14,7825
[BRN ]

506071
[Uses]

Propionic Acid is the acid source of the propionates. propionic acid in the liquid form has a strong odor and is corrosive, so it is used as the sodium, calcium, and potassium salts as a preservative. these yield the free acid in the ph range of the food in which they are used. it functions principally against mold. see calcium propionate; sodium propionate.
[CAS DataBase Reference]

79-09-4(CAS DataBase Reference)
[NIST Chemistry Reference]

Propanoic acid(79-09-4)
[EPA Substance Registry System]

79-09-4(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

C
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
R34:Causes burns.
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
[RIDADR ]

UN 3463 8/PG 2
[WGK Germany ]

1
[RTECS ]

UE5950000
[HazardClass ]

8
[PackingGroup ]

II
[HS Code ]

29155000
[Safety Profile]

Poison by intraperitoneal route. Moderately toxic by ingestion, skin contact, and intravenous routes. A corrosive irritant to eyes, skin, and mucous membranes. Flammable liquid. Highly flammable when exposed to heat, flame, or oxidizers. To fight fire, use alcohol foam. When heated to decomposition it emits acrid smoke and irritating fumes.
[Hazardous Substances Data]

79-09-4(Hazardous Substances Data)
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Oxygen-->CARBON MONOXIDE-->Paraffin wax-->Cupric acetate monohydrate -->Propionaldehyde-->Molasses-->Cobalt naphthenate -->NICKEL CARBONYL-->Manganese naphthenate
[Preparation Products]

Methyl propionate-->Metalaxyl-->3,4-DIAMINOQUINOLINE-->Ethyl propionate-->Ciprofloxacin-->4-AMINO-3-NITROQUINOLINE-->DL-Alanine-->Dimethyl fumarate-->isoindoline-5-carboxylic acid-->Sodium propionate-->Ethyl 2-bromopropionate-->4-Chloro-3-nitroquinoline-->METHYL ISOINDOLINE-5-CARBOXYLATE-->ETHYL 3-PHENYLGLYCIDATE-->2-Bromoanthracene-->3-Chloropropionic acid-->Propanil -->5-BROMOISOINDOLINE-->2-Methylhexanoic acid-->4-bromoisoindoline-->3-Methylquinoline-->2-Chloropropionic acid-->Tiopronin-->6-BROMO-3,4-DIHYDRO-1H-QUINOLIN-2-ONE-->Napropamide-->Ethyl 2-chloropropionate-->SOLVENT YELLOW 85-->DL-2-Bromopropionic -->2-Chloropropionyl chloride-->Calcium dipropionate-->3-NITRO-4-QUINOLINOL-->LINALYL PROPIONATE-->CITRONELLYL PROPIONATE-->PROPIONIC ACID POTASSIUM SALT-->Isobutyl propionate-->TERPINYL PROPIONATE-->BETA-(4-(ACETYLAMIDO)PHENOXY)PROPANOIC ACID-->Methyl 2-chloropropionate-->Diclofop-methyl-->Furfuryl thiopropionate
Hazard InformationBack Directory
[General Description]

A clear oily aqueous liquid with a pungent rancid odor. Burns skin and the vapors irritate mucous membranes. Corrosive to most metals and tissue. Density 8.3 lb/gal.
[Reactivity Profile]

PROPIONIC ACID, [SOLUTION] reacts as an acid to neutralize bases in exothermic reactions. Burns when exposed to heat, flame or oxidizers. When heated to decomposition emits acrid smoke and irritating fumes [Lewis, 3rd ed., 1993, p. 1090].
[Air & Water Reactions]

Dilution with water causes release of heat.
[Hazard]

Moderate fire risk. Strong eye, skin and upper respiratory tract irritant.
[Health Hazard]

May cause toxic effects if inhaled or ingested/swallowed. Contact with substance may cause severe burns to 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]

Propionic acid is used in the manufac- ture of inorganic propionates and propionate esters which are used as mold inhibitors, electroplating additives; emul- sifying agents; flavors and perfumes. It is an intermediate in pesticide manufacture, pharmaceutic manufacture; and in the production of cellulose propionate plastics. Also used as grain preservative.
[Fire Hazard]

Flammable/combustible material. May be 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, includ- ing 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 medi- cal attention. If victim is conscious, administer water, or milk. Do not induce vomiting.
[Shipping]

UN1848 Propionic acid, Hazard class: 8; Labels: 8-Corrosive material. UN3463 Propionic acid, with not <90% acid by mass, Hazard Class 8; Labels: 8-Corrosive material, 3-Flammable liquid.
[Incompatibilities]

The substance is a medium strong acid. Incompatible with sulfuric acid, strong bases; ammonia, isocyanates, alkylene oxides; epichlorohydrin. Reacts with bases; strong oxidizers; and amines, causing fire and explo- sion hazard. Attacks many metals forming flammable/ explosive hydrogen gas.
[Waste Disposal]

Incineration in admixture with flammable solvent.
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

propionic acid(79-09-4).msds
Spectrum DetailBack Directory
[Spectrum Detail]

Propionic acid(79-09-4) 13C NMR
Propionic acid(79-09-4) IR2
Propionic acid(79-09-4) MS
Propionic acid(79-09-4) 1H NMR
Propionic acid(79-09-4) IR1
Propionic acid(79-09-4) Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Propionic acid, pure, 99%(79-09-4)
[Alfa Aesar]

Propionic acid, 99%(79-09-4)
[Sigma Aldrich]

79-09-4(sigmaaldrich)
[TCI AMERICA]

Propionic Acid,>99.0%(GC)(T)(79-09-4)
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