Sodium adipate

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

Sodium adipate

Names
Preferred IUPAC name Disodium hexanedioate
Other names Disodium adipate Adipic acid, sodium salt
Identifiers
CAS Number	7486-38-6 Y
3D model (JSmol)	Interactive image
ChemSpider	22505 Y
ECHA InfoCard	100.028.448
E number	E356 (antioxidants, ...)
PubChem CID	24073
UNII	3XG6T5KYKM Y
CompTox Dashboard (EPA)	DTXSID1044726
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-2 Y Key: KYKFCSHPTAVNJD-UHFFFAOYSA-L Y
SMILES [Na+].[Na+].[O-]C(=O)CCCCC(=O)[O-]
Properties
Chemical formula	C6H8Na2O4
Molar mass	190.106 g·mol−1
Appearance	Solid white to off-white powder or crystals
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H302, H315, H319, H335
Precautionary statements	P261, P305+P351+P338
NFPA 704 (fire diamond)	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 [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

As a food additive, it has the E number E356 as is used as a buffering agent and as an acidity regulator.^[1]

Preparation

Sodium adipate is prepared by reacting adipic acid with sodium hydroxide:^[2]

${\displaystyle {\ce {C6H10O4 + 2NaOH -> Na2C6H8O4 + 2H2O}}}$

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.