It includes general introduction of benzoic acid, also include a brief summary of its discovery. Properties of benzoic acid, its safety precautions and uses in food, medicines,and industrial usage. also include a brief overview

3. CONTENTS
What is benzoic acid?
History
Properties and uses
Safety and side effects
Conclusion

4. WHAT IS BENZOIC ACID
Benzoic acid is a crystalline, white,
and odorless organic acid that is
widely used as a food preservative,
as well as in the manufacture of
various products such as
cosmetics, pharmaceuticals, and
industrial chemicals.

5. FORMULA AND STRUCTURE

6. History and discovery:
Benzoic acid was first discovered in the
sixteenth century by the Nostradamus,
who isolated it from benzoin resin. In
1832, French chemist Justus von
Liebig discovered that benzoic acid
could be synthesized by the oxidation of
benzyl alcohol, and this led to the
production and use of the compound.

7. Properties and uses:
Benzoic acid is a weak acid, with a pH of around
4.2 in water at room temperature.
It has a melting point of 122-123°C and a boiling
point of 249°C.
 It is soluble in hot water, alcohol, and ether, but
only slightly soluble in cold water.

8. IN FOOD INDUSTRY
Benzoic acid is often used as a food preservative due
to its antimicrobial properties, as it can prevent the
growth of mold, yeast, and bacteria in acidic foods
such as fruit juices, soft drinks, and pickles.
It is also used as a flavoring agent in certain foods,
such as fruit-flavored candies and gum.

9. OTHER USES
In addition to its uses in the food industry, benzoic acid
is also used in the production of various other products.
 For example, it is used in the manufacture of certain
types of plastics, such as polyesters and phenolic
resins.
 It is also used in the production of dyes, perfumes,
and pharmaceuticals, including topical antifungal
creams and nasal sprays.

10. SAFETY AND SIDE EFFECTS:
Benzoic acid is generally recognized as safe (GRAS) by
the US Food and Drug Administration (FDA) when
used in accordance with good manufacturing practices.
IN COSMETICS AND FOOD
However, high levels of benzoic acid in food or cosmetic
products can cause skin irritation, particularly in people
with sensitive skin.

11. INGESTION
Ingesting large amounts of benzoic acid can also
cause side effects such as nausea, vomiting, and
abdominal pain.
 People with asthma or other respiratory
conditions may be particularly sensitive to benzoic
acid fumes.

12. CONCLUSION:
Benzoic acid is a widely used organic acid with
antimicrobial properties that make it a valuable food
preservative.
It is also used in the manufacture of various other
products, including cosmetics, pharmaceuticals, and
industrial chemicals.

13. While benzoic acid is generally considered safe, it
can cause skin irritation and other side effects at
high levels.
 As with any chemical, it is important to use benzoic
acid in accordance with good manufacturing practices
and to take appropriate safety precautions when
handling it.