Sodium Propionate
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Sodium Propionate

Sodium propanoate or sodium propionate is the sodium salt of propionic acid which has the chemical formula Na(C2H5COO). It is used as a food preservative and is represented by the food labeling E number E281 in Europe; it i

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Sodium propionate CAS:137-40-6

Sodium propionate Chemical Properties
MF:C3H62.Na
MW:96.06
EINECS:205-290-4
Melting point:285-286 °c(lit.)
Solubilityh2o: 0.1 g/ml, clear
Ph:8-9.5 (10g/l, h2o, 20℃)
Water solubility:995 g/l (20 ºc)
SensitiveHygroscopic
Merck:14,8669
BRN:3566934
Stability:Stable. Incompatible with strong oxidizing agents. Hygroscopic.
Sodium propionate is a common food additive that is industrially manufactured but also occurs in nature. Since it is toxic to mold and some species of bacteria, it is an especially effective additive in baked goods or other products that are susceptible to
spoilage.

Sodium propionate CAS:137-40-6 Specification:

Index

FCC-V

E281

APPEARANCE

White crystalline or crystalline powder

White crystalline hygroscopic powder, or a fine white powder

Content

99.0-100.5(drying basis)%

min 99.0% (105C,2h)

pH (10 % aqueous solution)

---

7.5-10.5

As

---

max 0.0003%

Heavy metals

---

max 0.001%

Alkalinity (as Na2CO3)

Passes test (about 0.15%)

 

Loss on drying

max 1%

max 4%(105C,2h)

Water insoluble

---

max 0.1%

Iron

max 0.003%

max 0.005%

Lead

max 0.0002%

max 0.0005%

Mercury

---

max 0.0001%


Sodium propionate CAS:137-40-6 Function:
Sodium propionate is an effective inhibitor of the growth of certain molds and some bacteria in bakery goods. It is usually
preferred in non-yeast leavened bakery products because the calcium ions’ of calcium propionate interfere with the chemical
leavening agents. In those bakery products, such as cakes, tortillas, pie fillings etc., chemically leaved agents are used
(e.g.baking powder). sodium propionate is easy to handle and easy to incorporate into flour. It is a safe compound when
encountered at the low levels found in food.

Sodium propionate CAS:137-40-6 Application: 
1.Sodium propionate is mainly used as a food preservative, and also used to make medicines, dyes, etc.
2.Sodium propionate is Used in pharmaceutical industry and plant genetic research, also used as dye intermediate, fungicide and preservative
3. Antiseptic; antimicrobial agent.
4.Sodium propionate is also an important acid-type food preservative. When used, it is converted into an effective form ofbenzoic acid. Please refer to benzoic acid for the scope and amount of use. In addition, it can also be used as a preservative forfeed.
5. Sodium propionatet is used as a food additive (preservative), a fungicide in the pharmaceutical industry, a mordant in the dye industry, a plasticizer in the plastic industry, and an intermediate in organic synthesis such as perfume.
6.Sodium propionate is used as a solubilizer for serum bilirubin test, food additive (preservative), bactericide in the pharmaceutical industry,mordant in the dye industry, plasticizer in the plastic industry, and also used as an intermediate in organic synthesis such asperfume body.



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