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Sodium adipate

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Sodium adipate
Names
Preferred IUPAC name Disodium hexanedioate
Other names Disodium adipate
Adipic acid, sodium salt
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.028.448 Edit this at Wikidata
E number E356 (antioxidants, ...)
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C6H10O4.2Na/c7-5(8)3-1-2-4-6(9)10;;/h1-4H2,(H,7,8)(H,9,10);;/q;2*+1/p-2Key: KYKFCSHPTAVNJD-UHFFFAOYSA-L
SMILES
  • ..C(=O)CCCCC(=O)
Properties
Chemical formula C6H8Na2O4
Molar mass 190.106 g·mol
Appearance Solid white to off-white powder or crystals
Hazards
GHS labelling:
Pictograms GHS07: Exclamation mark
Signal word Warning
Hazard statements H302, H315, H319, H335
Precautionary statements P261, P305+P351+P338
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
1 0 0
Lethal dose or concentration (LD, LC):
LD50 (median dose) 4000 mg/kg (intraperitoneal, mouse)
Safety data sheet (SDS)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒N verify (what is  ?) Infobox references
Chemical compound

Sodium adipate is a chemical organic compound with formula Na2C6H8O4. It is the sodium salt of adipic acid.

As a food additive, it has the E number E356 as is used as a buffering agent and as an acidity regulator.

Preparation

Sodium adipate is prepared by reacting adipic acid with sodium hydroxide:

C 6 H 10 O 4 + 2 NaOH ⟶ Na 2 C 6 H 8 O 4 + 2 H 2 O {\displaystyle {\ce {C6H10O4 + 2NaOH -> Na2C6H8O4 + 2H2O}}}


Safety

If consumed in excess, it can lead to high levels of sodium and gastrointestinal problems. It can also cause allergic reactions which may lead to swelling, itching, difficulty breathing. Sodium adipate has no proven health benefits.


References

  1. "E356 Sodium adipate". food-info.net.
  2. "Sodium Adipate (E356) – Overview, Uses, Side Effects & More". healthknight.com.
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