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Magnesium, [29H,31H-phthalocyaninato(2-)-κN29,κN30,κN31,κN32]-, (SP-4-1)-

CAS 1661-03-6

EPA and Census publish no US supply data for this chemical.

Molecular structure of 1661-03-6
1 Mg²⁺
US productionNot reported
Top sourceNo public record

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS1661-03-6
PubChem CIDNot recorded
DTXSIDDTXSID80937168
FormulaC32H16MgN8
Mol. Weight536.841 g/mol
SMILES[Mg++].[N-]1C2=C3C=CC=CC3=C1\N=C1/N=C(/N=C3\N=C([N-]C4=N\C(=N/2)C2=CC=CC=C42)C2=CC=CC=C32)C2=CC=CC=C12

Data Sources

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Brief citations

Magnesium, [29H,31H-phthalocyaninato(2-)-κN29,κN30,κN31,κN32]-, (SP-4-1)- (CAS 1661-03-6) https://chemicalindependence.com/chemical/1661-03-6/ EPA TSCA Inventory: CAS 1661-03-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory