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U.S. Department of Health and Human Services

Substances Added to Food (formerly EAFUS)
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SODIUM PHOSPHATE, MONOBASIC

CAS Reg. No. (or other ID)*: 7558-80-7
Substance*: SODIUM PHOSPHATE, MONOBASIC
Other Names: ♦ SODIUM PHOSPHATE, MONOBASIC
♦ MONOSODIUM PHOSPHATE
♦ MONOSODIUM PHOSPHATE, ANHYDROUS
♦ MONOSODIUM ORTHOPHOSPHATE
♦ MONOSODIUM DIHYDROGEN PHOSPHATE
♦ MONOSODIUM MONOPHOSPHATE
♦ PHOSPHORIC ACID, MONOSODIUM SALT
♦ SODIUM DIHYDROGEN PHOSPHATE, ANHYDROUS
♦ SODIUM BIPHOSPHATE
♦ SODIUM DIHYDROGEN PHOSPHATE
♦ SODIUM ACID PHOSPHATE
♦ SODIUM PHOSPHATE (NAH2PO4)
Used for*† (Technical Effect): ANTICAKING AGENT OR FREE-FLOW AGENT,
ANTIMICROBIAL AGENT,
DRYING AGENT,
EMULSIFIER OR EMULSIFIER SALT,
FLAVOR ENHANCER,
FLAVORING AGENT OR ADJUVANT,
HUMECTANT,
LEAVENING AGENT,
PH CONTROL AGENT
Color additive regulations (21 CFR Parts 73, 74, 81, 82)*^: 73.85
Food additive and GRAS regulations (21 CFR Parts 170-186)*: 172.892
173.310
178.1010
182.1778
182.6085
182.6778
182.8778
Food labeling and standards regulations (21 CFR Parts 100-169): 133.169 , 133.173 , 133.179 , 160.110

 

*Definitions

  • CAS Reg. No. (or other ID): Chemical Abstract Service (CAS) Registry Number® for the substance or a numerical code assigned by CFSAN to those substances that do not have a CAS Registry Number (977nnn-nn-n series).
  • Substance: The name of the ingredient as recognized by CFSAN.
  • Used for† (Technical Effect): The physical or technical effect(s) the substance has in or on food; see 21 CFR 170.3(o) for definitions.
  • 21 CFR: Title 21 of the Code of Federal Regulations.
  • FEMA No.: The trade association, Flavor and Extract Manufacturers Association (FEMA), has established expert panels to evaluate and make independent determinations on the GRAS status of flavoring substances. The FEMA number is provided here as a reference to FEMA’s GRAS assessments.
  • JECFA: The Joint Expert Committee on Food Additives (JECFA) is an international expert scientific committee that is administered jointly by the Food and Agriculture Organization of the United Nations (FAO) and the World Health Organization (WHO). See JECFA Specifications for Flavourings <>

†Color Additives

  • For a substance to be used as a color additive in the US, it must be authorized by a regulation in 21 CFR Part 73, 74, or 82.
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