Sodium
benzoate
BioXtra,
≥99.5%
Synonym: Benzoic
acid sodium salt
SDS
·
CAS Number 532-32-1
·
Linear Formula C6H5COONa
·
Molecular Weight 144.10
·
Beilstein Registry
Number 3572467
·
EC Number 208-534-8
·
MDL number MFCD00012463
·
PubChem Substance ID 24891719
·
eCl@ss 39024301
Sodium benzoate is a substance which has the chemical formula NaC7H5O2. It
is a widely used food preservative, with an E number of E211.
It is the sodium salt of benzoic acid and exists in this form when dissolved in
water. It can be produced by reacting sodium hydroxide with benzoic acid.
Detailed
description
Uses
Preservative
Sodium benzoate is a preservative. As a food
additive, sodium benzoate has the E number E211. It is bacteriostatic and fungistatic under acidic
conditions. It is most widely used in acidic foods such as salad dressings (vinegar), carbonated drinks
(carbonic acid), jams and fruit
juices (citric acid), pickles (vinegar), and condiments. It is also used as
a preservative in medicines and cosmetics.[3][4]Concentration as a
food preservative is limited by the FDA in the U.S. to 0.1% by weight.[5] Sodium benzoate is
also allowed as an animal food additive at up to 0.1%, according to AFCO's official publication.[6]
Pharmaceutical applications
Sodium benzoate is used as a treatment for urea cycle disorders due to its ability
to bind amino acids.[7][8] This leads to
excretion of these amino acids and a decrease in ammonia levels. Recent
research shows that sodium benzoate may be beneficial as an add-on therapy (1
gram/day) in schizophrenia.[9][10][11] Total Positive and
Negative Syndrome Scale scores dropped by
21% compared to placebo.
Sodium benzoate is used to treat hyperammonemia.[12]
Sodium benzoate has been shown to halt the
progression of Parkinson's in mice.[12]
Other uses
Sodium benzoate is also used in fireworks as a fuel in whistle mix, a powder that
emits a whistling noise when compressed into a tube and ignited.
Mechanism
of food preservation
The mechanism starts with the absorption of benzoic
acid into the cell. If the intracellular pH falls to 5 or lower,
the anaerobic fermentation of glucose through phosphofructokinase decreases sharply,[13] which inhibits the
growth and survival of microorganisms that cause food spoilage.
PRICE
$122.88/KG OR $55.85/IB
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