碱式碳酸镁

Description

basic magnesium carbonate · CAS 39409-82-0 · C4H12Mg6O19+2. UNII YQO029V1L4.

Identification

CAS Registry Number	39409-82-0
PubChem CID	73415762
Molecular formula	C4H12Mg6O19+2
IUPAC name	hexamagnesium;tetracarbonate;dihydroxide;pentahydrate
UNII (FDA)	YQO029V1L4

Computed Descriptors

Molecular Weight	509.96
Hydrogen Bond Donor Count	7
Hydrogen Bond Acceptor Count	19
Rotatable Bond Count	0
Exact Mass	507.9075283
Monoisotopic Mass	507.9075283
Topological Polar Surface Area	260
Heavy Atom Count	29
Formal Charge	2
Complexity	18.8

Physical description & handling notes

• Dry Powder
• Light, white friable mass or bulky white powder
• White odorless solid; [Merck Index] White odorless powder; [Alfa Aesar MSDS]
• Practically insoluble in water. Insoluble in ethanol

Regulatory Status

Regulatory & Food Contact	ACIDITY_REGULATOR; ANTICAKING_AGENT; CARRIER; CARRIER_SOLVEN: Food Additives NOT SPECIFIED Included in the ADI for other hydrogen carbonates TRS 648-JECFA 23/31 FAS 67.29/NMRS 40A,B,C-JECFA 9/153 (1965) CIR / INCI: Bulking; Binding; Viscosity controlling; Buffering
GHS notification summary	97.7% (86 / 88)

GHS Hazard Classification

GHS notification summary	97.7% (86 / 88)

Documented Uses

• Magnesite and lansfordite are examples of magnesium carbonate minerals; Used for fireproofing, heat insulating, filtrating, and to make effervescent magnesium citrate, mineral waters, pigments, and paper; Also used in tooth powders, face powders, polishing compounds, rubber fillers, antacids, and cathartics; [Merck Index] Used as a flavoring agent, anticaking agent, drying agent, formulation aid, humectant, lubricant or release agent, nutritive supplement, pH control agent, and processing aid for foods; [FDA]
• Pulp and Paper Processing [Category: Industry]
• EPA Safer Chemical Functional Use Classes -> Processing Aids and Additives
• Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern
• Food Additives -> ACIDITY_REGULATOR; ANTICAKING_AGENT; CARRIER; CARRIER_SOLVENT; COLOUR_RETENTION_AGENT -> JECFA Functional Classes
• Cosmetics -> Bulking; Binding; Viscosity controlling; Buffering

Synonyms

YQO029V1L4; UNII-YQO029V1L4; CCRIS 7884; INS NO.504(II); INS-504(II); E-504(II); HYDRATED BASIC MAGNESIUM CARBONATE; MAGNESIUM CARBONATE HYDROXIDE [MI]; MAGNESIUM CARBONATE HYDROXIDE [WHO-DD]; MAGNESIUM SUBCARBONATE (LIGHT OR HEAVY); HYDRATED BASIC MAGNESIUM CARBONATE [MART.]; CARBONIC ACID, MAGNESIUM SALT (1:1), MIXT. WITH MAGNESIUM HYDROXIDE, HYDRATE; HYDRATED BASIC MAGNESIUM CARBONATE (MART.); Marinco C; RefChem:155180; DTXSID4051617

Frequently Asked Questions

What are the CAS number and molecular formula of basic magnesium carbonate?

CAS 39409-82-0; molecular formula C4H12Mg6O19+2; molecular weight — g/mol.

What other names is basic magnesium carbonate known by?

YQO029V1L4, UNII-YQO029V1L4, CCRIS 7884, INS NO.504(II), INS-504(II), E-504(II).

What is the regulatory status of basic magnesium carbonate?

Documented regulatory listings: ACIDITY_REGULATOR; ANTICAKING_AGENT; CARRIER; CARRIER_SOLVEN: Food Additives; NOT SPECIFIED; Included in the ADI for other hydrogen carbonates.

Is basic magnesium carbonate classified as hazardous?

97.7% of GHS notifications report no hazard classification (86 of 88).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.