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99-94-5

99-94-5 Structure

99-94-5 Structure
IdentificationMore
[Name]

p-Toluic acid
[CAS]

99-94-5
[Synonyms]

4-METHYLBENZOIC ACID
4-METHYLBENZOIC ACID ZONE REFINED
4-TOLUIC ACID
AKOS BBS-00003712
BENZOIC ACID, 4-METHYL-
Crithminic acid
P-METHYLBENZOIC ACID
PTLA
P-TOLUIC ACID
P-TOLUYLIC ACID
RARECHEM AL BO 0067
SUPPORTED BENZOIC ACID
toluenecarboxylic acid
para-Toluic acid
p-carboxytoluene
p-toluic
P-ToluicAcid>98%
P-ToluicAcidForSynthesis
PARA-TOLUIC ACID FOR SYNTHESIS
4-Methylbenzoic acid 98%
[EINECS(EC#)]

202-803-3
[Molecular Formula]

C8H8O2
[MDL Number]

MFCD00002565
[Molecular Weight]

136.15
[MOL File]

99-94-5.mol
Chemical PropertiesBack Directory
[Appearance]

colourless crystals or white crystalline powder
[mp ]

179 °C
[bp ]

274-275 °C(lit.)
[density ]

1,06 g/cm3
[Fp ]

181°C
[storage temp. ]

Store at RT.
[Stability:]

Stable. Incompatible with strong oxidizing agents, strong bases.
[Water Solubility ]

<0.1 g/100 mL at 19 ºC
[Usage]

Intermediates of Liquid Crystals
[Detection Methods]

T,NMR,HPLC
[Merck ]

14,9535
[BRN ]

507600
[CAS DataBase Reference]

99-94-5(CAS DataBase Reference)
[NIST Chemistry Reference]

Benzoic acid, 4-methyl-(99-94-5)
[EPA Substance Registry System]

99-94-5(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xn
[Risk Statements ]

R22:Harmful if swallowed.
[Safety Statements ]

S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
[WGK Germany ]

1
[RTECS ]

XU1575000
[HS Code ]

29163900
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Nitric acid-->Oxygen-->P-XYLENE-->Cobalt naphthenate -->4-Isopropyltoluene
[Preparation Products]

METHYL 4-AMINO-6-INDOLECARBOXYLATE-->4-Bromomethylbenzamide-->3-CHLORO-4-((CYCLOPROPYLAMINO)METHYL)BENZALDEHYDE-->1-(3-CHLORO-4-((CYCLOPROPYLAMINO)METHYL)PHENYL)ETHANONE-->4-Bromomethylbenzoic acid-->4-(BROMOMETHYL)-N-(L-METHYLETHYL)BENZAMIDE-->4-(Chloromethyl)benzoic acid-->4-Methylbenzoyl chloride-->4-HYDROXY-3-METHYLBENZOIC ACID-->2,3,5,6-Tetrafluoro-4-methylbenzyl alcohol-->4-BROMOMETHYL BENZOYL BROMIDE 96-->O,O-Bisisopropyl O-(4-(methylsulfinyl)phenyl) phosphorothioate
Hazard InformationBack Directory
[General Description]

White powder. Sublimes.
[Reactivity Profile]

P-TOLUIC ACID(99-94-5) is a carboxylic acid. Carboxylic acids donate hydrogen ions if a base is present to accept them. They react in this way with all bases, both organic (for example, the amines) and inorganic. Their reactions with bases, called "neutralizations", are accompanied by the evolution of substantial amounts of heat. Neutralization between an acid and a base produces water plus a salt. Carboxylic acids with six or fewer carbon atoms are freely or moderately soluble in water; those with more than six carbons are slightly soluble in water. Soluble carboxylic acid dissociate to an extent in water to yield hydrogen ions. The pH of solutions of carboxylic acids is therefore less than 7.0. Many insoluble carboxylic acids react rapidly with aqueous solutions containing a chemical base and dissolve as the neutralization generates a soluble salt. Carboxylic acids in aqueous solution and liquid or molten carboxylic acids can react with active metals to form gaseous hydrogen and a metal salt. Such reactions occur in principle for solid carboxylic acids as well, but are slow if the solid acid remains dry. Even "insoluble" carboxylic acids may absorb enough water from the air and dissolve sufficiently in P-TOLUIC ACID(99-94-5) to corrode or dissolve iron, steel, and aluminum parts and containers. Carboxylic acids, like other acids, react with cyanide salts to generate gaseous hydrogen cyanide. The reaction is slower for dry, solid carboxylic acids. Insoluble carboxylic acids react with solutions of cyanides to cause the release of gaseous hydrogen cyanide. Flammable and/or toxic gases and heat are generated by the reaction of carboxylic acids with diazo compounds, dithiocarbamates, isocyanates, mercaptans, nitrides, and sulfides. Carboxylic acids, especially in aqueous solution, also react with sulfites, nitrites, thiosulfates (to give H2S and SO3), dithionites (SO2), to generate flammable and/or toxic gases and heat. Their reaction with carbonates and bicarbonates generates a harmless gas (carbon dioxide) but still heat. Like other organic compounds, carboxylic acids can be oxidized by strong oxidizing agents and reduced by strong reducing agents. These reactions generate heat. A wide variety of products is possible. Like other acids, carboxylic acids may initiate polymerization reactions; like other acids, they often catalyze (increase the rate of) chemical reactions. This chemical is incompatible with strong oxidizers. P-TOLUIC ACID(99-94-5) is also incompatible with strong bases. .
[Air & Water Reactions]

Fine dust dispensed in air in sufficient concentrations, and in the presence of an ignition source is a potential dust explosion hazard. . Insoluble in water.
[Fire Hazard]

Flash point data for this chemical are not available; however, P-TOLUIC ACID is probably combustible.
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

p-Toluic acid(99-94-5).msds
Spectrum DetailBack Directory
[Spectrum Detail]

p-Toluic acid(99-94-5) IR1
p-Toluic acid(99-94-5) 13C NMR
p-Toluic acid(99-94-5) IR2
p-Toluic acid(99-94-5) MS
p-Toluic acid(99-94-5) 1H NMR
p-Toluic acid(99-94-5) Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

p-Toluic acid, 98%(99-94-5)
[Alfa Aesar]

p-Toluic acid, 98%(99-94-5)
[Sigma Aldrich]

99-94-5(sigmaaldrich)
[TCI AMERICA]

p-Toluic Acid,>98.0%(GC)(T)(99-94-5)
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