Sodium aluminium phosphate

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Sodium aluminium phosphate (general)
Other names E541
Identifiers
CAS number [7785-88-8]
EC number 232-090-4
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Sodium aluminium phosphate (acidic, I)
Other names E541(i)
Properties
Chemical formula NaAl3H14(PO4)8·4H2O
Molar mass 949.88 g/mol
Solubility in water insoluble
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Sodium aluminium phosphate (acidic, II)
Other names E541(i)
Properties
Chemical formula Na3Al2H15(PO4)8
Molar mass 897.82 g/mol
Solubility in water insoluble
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Sodium aluminium phosphate (basic)
Other names E541(ii)
Properties
Chemical formula Na8Al2(OH)2(PO4)4
Molar mass 651.66 g/mol
Solubility in water insoluble
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Sodium aluminium phosphate is a food additive (INS 541).[1] It comes in two forms, acidic (INS 541(i))[2] and basic (INS 541(ii)).[3] Both forms may be used as emulsifier and acidity regulators,[1] while the acid form is also a raising agent.[2]

Sodium aluminium phosphate is "generally recognized as safe" (GRAS) for use in table salt in the United States,[4] and is also permitted for use in Canada.[5] However, it is not permitted for use in Australia and New Zealand.[6] In the European Union, only the acid form may be used, and then only as a raising agent in scones and sponges.[7][8]

See also

References

  1. ↑ 1.0 1.1 Codex Class Names and the International Numbering System for Food Additives, 7th ed.; Codex Alimentarius Commission, Food and Agriculture Organization, 2009. CAC/GL 36-1989, <http://www.codexalimentarius.net/download/standards/7/CXG_036e.pdf>.
  2. ↑ 2.0 2.1 Sodium aluminium phosphate, acidic; FAO/WHO Joint Expert Committee on Food Additives (JECFA), 2006, <http://www.fao.org/ag/agn/jecfa-additives/specs/monograph3/additive-389.pdf>.
  3. ↑ Sodium aluminium phosphate, basic; FAO/WHO Joint Expert Committee on Food Additives (JECFA), 2006, <http://www.fao.org/ag/agn/jecfa-additives/specs/monograph3/additive-390.pdf>.
  4. ↑ Code of Federal Regulations, Title 21: Food and Drugs, Part 182: Substances generally recognized as safe (edition of April 1, 2009).
  5. ↑ Table IV to Division B.16, Food and Drug Regulations (C.R.C., c. 870).
  6. ↑ Standard 1.3.1, Australia New Zealand Food Standards Code.
  7. ↑ Art. 30, Regulation (EC) No 1333/2008 of the European Parliament and of the Council of 16 December 2008 on food additives, OJEU L354, 31.12.2008, pp 16–33.
  8. ↑ Annex IV, European Parliament and Council Directive No 95/2/EC of 20 February 1995 on food additives other than colours and sweeteners, OJEU L61, 18.3.1995, pp 1–40.

Further reading

External links

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