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sodium dihydrogen phosphate anhydrous

CAS 7558-80-7H2NaO4PMW 119.96 g/mol

sodium dihydrogen phosphate anhydrous (CAS 7558-80-7) — formula H2NaO4P, molecular weight 119.96 g/mol; category food additives.

Product Overview

CAS Number7558-80-7
Molecular FormulaH2NaO4P
Molecular Weight119.96 g/mol
CategoryNutrition Enhancers|Food Processing Aids

Technical Profile

What this product is

sodium dihydrogen phosphate anhydrous is a food-grade compound with CAS registry number 7558-80-7 and molecular formula H2NaO4P (molecular weight 119.96 g/mol), belonging to the food additives segment of chemical raw materials.

Identification

CAS number: 7558-80-7

Its molecular formula H2NaO4P comprises 2 H, 1 Na, 4 O, 1 P atoms.

Also known as: sodium dihydrogen phosphate anhydrous · 无水磷酸二氢钠 · Monosodium phosphate

Category: food additives / food additives

Frequently Asked Questions

What is the CAS number of sodium dihydrogen phosphate anhydrous?

The CAS registry number of sodium dihydrogen phosphate anhydrous is 7558-80-7.

What is the molecular formula and molecular weight of sodium dihydrogen phosphate anhydrous?

Molecular formula H2NaO4P, molecular weight 119.96 g/mol.

What other names is sodium dihydrogen phosphate anhydrous known by?

It is also registered under: sodium dihydrogen phosphate anhydrous, 无水磷酸二氢钠, Monosodium phosphate.

Which category does sodium dihydrogen phosphate anhydrous belong to?

Category: Nutrition Enhancers / Food Processing Aids.

PubChem Public Data

Independent reference data for sodium dihydrogen phosphate anhydrous (CAS 7558-80-7), compiled from public chemistry databases.

Registry identifiers across databases

CAS Registry Number7558-80-7
PubChem CID23672064
Molecular formulaH2NaO4P
Molecular weight119.96 g/mol
IUPAC namesodium dihydrogen phosphate
InChIKeyAJPJDKMHJJGVTQ-UHFFFAOYSA-M
UNII (FDA)KH7I04HPUU
ChEBI IDCHEBI:37585

Computed descriptors

Molecular Weight119.977
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Exact Mass119.95883982
Monoisotopic Mass119.95883982
Topological Polar Surface Area80.6
Heavy Atom Count6

Physicochemical values on record

Melting Point200 °C (decomposes)
Solubility121
Density2360 kg/cu m

Documented uses on record

    Used as a pH buffer (baking powders, fleet enema solutions, electroplating baths, and acid cleaners), sequestrant for foods, emulsifier, laboratory reagent, metal phosphatising reagent, and textile dyeing/printing auxiliary; Also used to treat boiler water and wastewater, remove halogen from waste gases, supplement animal feed, and acidify urine; [HSDB]Acid and Alkali Cleaning of Metals [Category: Clean]

    Synonyms and trade names

    7558-80-7; Monosodium phosphate; SODIUM DIHYDROGEN PHOSPHATE; Sodium acid phosphate; Sodium phosphate, monobasic; Sodium primary phosphate; Acid sodium phosphate; Monosodium monophosphate; Monobasic sodium phosphate; Monosodium dihydrogen orthophosphate; Monosodium phosphate, anhydrous; Monosodium orthophosphate; Monosorb XP-4; Primary sodium phosphate; Sodium dihydrogen phosphate, anhydrous; Sodium phosphate (Na(H2PO4))

    Regulatory listings held on file

    Regulatory & Food ContactFDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, ANTIMICROBIAL AGENT, DRYING AGENT, EMULSIFI
    FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
    ACIDITY_REGULATOR; SEQUESTRANT: Food Additives
    ANTICAKING AGENT OR FREE-FLOW AGENT, ANTIMICROBIAL AGENT, DRYING AGENT, EMULSIFIER OR EMULSIFIER SALT, FLAVOR
    Group MTDI for phosphorus from all sources, expressed as P
    TRS 683-JECFA 26/25
    GHS notification summary89% (597 / 671)

    GHS hazard classification

    GHS notification summary89% (597 / 671)
    Reported hazard statementsH319 (11%)

    This chemical does not meet GHS hazard criteria for 89% (597 of 671) of all reports.

    H319 (11%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

    What the public record says

    Monosodium phosphate is identified by CAS 7558-80-7, molecular formula H2NaO4P and molecular weight 119.96 g/mol. UNII KH7I04HPUU; ChEBI 37585; InChIKey AJPJDKMHJJGVTQ-UHFFFAOYSA-M. Melting Point: 200 °C (decomposes); Solubility: 121; Density: 2360 kg/cu m.

    Physical description and handling notes

    Source: PubChem / Wikidata; the batch COA governs where values differ.

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Supplier: Jinan Shenghe Chemical Co., Ltd.

中文页面: 无水磷酸二氢钠

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