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HomeProduct name list5-Methyl-2-nitrobenzoic acid

5-Methyl-2-nitrobenzoic acid

Synonym(s):6-Nitro-m-toluic acid

  • CAS NO.:3113-72-2
  • Empirical Formula: C8H7NO4
  • Molecular Weight: 181.15
  • MDL number: MFCD00007368
  • EINECS: 221-481-5
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-10-24 21:11:45
5-Methyl-2-nitrobenzoic acid Structural

What is 5-Methyl-2-nitrobenzoic acid?

Chemical properties

off-white crystalline powder

The Uses of 5-Methyl-2-nitrobenzoic acid

5-Methyl-2-nitrobenzoic acid is used in the preparation of methyl-N-(5-methyl-2-nitrophenyl) carbamate.

General Description

Crystals or very light yellow solid.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

5-Methyl-2-nitrobenzoic acid is a nitrated 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.

Fire Hazard

Flash point data for 5-Methyl-2-nitrobenzoic acid are not available; however, 5-Methyl-2-nitrobenzoic acid is probably combustible.

Properties of 5-Methyl-2-nitrobenzoic acid

Melting point: 134-136 °C (lit.)
Boiling point: 314.24°C (rough estimate)
Density  1.4283 (rough estimate)
refractive index  1.5468 (estimate)
storage temp.  Sealed in dry,Room Temperature
form  Powder or Crystalline Powder
pka 2.21±0.25(Predicted)
color  White to yellow
Water Solubility  4.7g/L(20 ºC)
BRN  1959031
Stability: Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference 3113-72-2(CAS DataBase Reference)
EPA Substance Registry System 5-Methyl-2-nitrobenzoic acid (3113-72-2)

Safety information for 5-Methyl-2-nitrobenzoic acid

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405:Store locked up.

Computed Descriptors for 5-Methyl-2-nitrobenzoic acid

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