Sodium dehydroacetate

Sodium dehydroacetate
Names
	Other names E266
Identifiers
CAS Number	4418-26-2 ;
3D model (JSmol)	Interactive image;
ECHA InfoCard	100.022.347
E number	E266 (preservatives)
PubChem CID	44135708;
UNII	8W46YN971G ;
CompTox Dashboard (EPA)	DTXSID7026029 ;
	InChI InChI=1S/C8H8O4.Na/c1-4-3-6(10)7(5(2)9)8(11)12-4;/h3,9H,1-2H3;/q;+1/p-1;
	SMILES CC1=CC(=O)C(=C(C)[O-])C(=O)O1.[Na+];
Properties
Chemical formula	C8H7NaO4
Molar mass	190.130 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Sodium dehydroacetate is a compound with the formula Na(CH₃C₅HO(O₂)(CH₃)CO). It is the sodium salt of dehydroacetic acid. It is used as a preservative in food,^[1] cosmetics and personal care products such as shower gels, which is highly effective against a broad range of bacteria even at low concentrations such as 0.075 g/kg in meat. Its use is regulated in China, Japan and the USA, thus it can only be used in certain foods such as picked vegetables, fermented soy, compound seasonings and pickled mushrooms in China, and only peeled pumpkins in the US at 65 parts per million. It is not approved for use in the EU. It adds an acetic odor to food which can be mitigated using flavorings.^[2] It can also be used in bread and pastries.^[3] It is highly effective when applied to oranges.^[4]

It has E number E266.

References

^ Li, Lu; Tang, Xu; Ouyang, Qiuli; Tao, Nengguo (2019). "Combination of sodium dehydroacetate and sodium silicate reduces sour rot of citrus fruit". Postharvest Biology and Technology. 151: 19–25. doi:10.1016/j.postharvbio.2019.01.006.
^ "Food Additives Gradually Going Down the Drain: Sodium Dehydroacetate (E 266)". ZMUni Compliance Centre. November 30, 2022.
^ Han, James (July 20, 2020). "What is Sodium Dehydroacetate in food: Uses and Safety". foodadditives.net.
^ Li, Lu; Tang, Xu; Ouyang, Qiuli; Tao, Nengguo (May 2019). "Combination of sodium dehydroacetate and sodium silicate reduces sour rot of citrus fruit". Postharvest Biology and Technology. 151: 19–25. doi:10.1016/j.postharvbio.2019.01.006.

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[1] Li, Lu; Tang, Xu; Ouyang, Qiuli; Tao, Nengguo (2019). "Combination of sodium dehydroacetate and sodium silicate reduces sour rot of citrus fruit". Postharvest Biology and Technology. 151: 19–25. doi:10.1016/j.postharvbio.2019.01.006.

[2] "Food Additives Gradually Going Down the Drain: Sodium Dehydroacetate (E 266)". ZMUni Compliance Centre. November 30, 2022.

[3] Han, James (July 20, 2020). "What is Sodium Dehydroacetate in food: Uses and Safety". foodadditives.net.

[4] Li, Lu; Tang, Xu; Ouyang, Qiuli; Tao, Nengguo (May 2019). "Combination of sodium dehydroacetate and sodium silicate reduces sour rot of citrus fruit". Postharvest Biology and Technology. 151: 19–25. doi:10.1016/j.postharvbio.2019.01.006.

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Names

Other names E266
Identifiers
CAS Number	4418-26-2^Y
3D model (JSmol)	Interactive image
ECHA InfoCard	100.022.347
E number	E266 (preservatives)
PubChem CID	44135708
UNII	8W46YN971G^Y
CompTox Dashboard (EPA)	DTXSID7026029
InChI InChI=1S/C8H8O4.Na/c1-4-3-6(10)7(5(2)9)8(11)12-4;/h3,9H,1-2H3;/q;+1/p-1
SMILES CC1=CC(=O)C(=C(C)[O-])C(=O)O1.[Na+]
Properties
Chemical formula	C₈H₇NaO₄
Molar mass	190.130 g·mol⁻¹
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