Is MOLYBDIC ACID safe to use in EU cosmetics?

MOLYBDIC ACID is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Always verify against the current official CosIng database before formulating.

What other records share CAS 7782-91-4?

CAS 7782-91-4 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

How do I check if my formula contains MOLYBDIC ACID?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef 9344820/10/2015

MOLYBDIC ACID

Molybdate (*MoO4*$2-$), hydrogen (1:2), (T-4)-

MOLYBDIC ACID is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 7782-91-4

CAS 7782-91-4PubChem CID 82208

Molybdic acid

Molybdic acid is a molybdenum oxoacid. It is a conjugate acid of a hydrogenmolybdate. — ChEBI

IUPAC name: dihydroxy(dioxo)molybdenum

Molecular formula: H2MoO4
Molecular weight: 161.96 g/mol
Exact mass: 163.900712 Da
Topological polar surface area: 74.6 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 4
Covalent units: 1
Defined stereocentres: 0

Also known as

Molybdic(VI) acidMolybdate (MoO42-), dihydrogen, (T-4)-I96N991J1NCHEBI:25371RefChem:819194231-970-5MolybdicacidDiammonium dimolybdate

16 more reported names

UNII-I96N991J1NH2MoO4EINECS 231-970-5Molybdate (MoO42-), dihydrogen, (beta-4)-Molybdate (MoO42-), hydrogen (1:2), (T-4)-Molybdic acid (H2MoO4)H2MoO4.12H2OdihydroxidodioxidomolybdenumMolybdic acid, ACS grade(T-4)-Hydrogen molybdate (MoO42-) (2:1)MOLYBDIC (VI) ACID[MoO2(OH)2]Molybdic acid, LR, >=85%Molybdic(VI) acid (H2MoO4)MOLYBDIC(VI) ACID [MI]Molybdate (Mo2O72-), diammonium

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:25371

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for MOLYBDIC ACID

INCI name

MOLYBDIC ACID

Description

Molybdate (*MoO4*$2-$), hydrogen (1:2), (T-4)-

Record provenance

Inventory reference: 93448
Imported identity: MOLYBDIC ACID
Source update: 20/10/2015

European Commission CosIng source notes

Annex records for MOLYBDIC ACID

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Key data

CAS

7782-91-4

231-970-5

Restriction

—

Function

PRESERVATIVE: Exclusively or mainly intended to inhibit the development of micro-organisms in the cosmetic product. All authorised preservatives are substances in the positive list of Annex V to the Cosmetics Regulation 1223/2009.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#16805 · MOLYBDIC ACID

Ingredients with overlapping formulation functions

METHYLCHLOROISOTHIAZOLINONEPRESERVATIVE

METHYLDIBROMO GLUTARONITRILEPRESERVATIVE

METHYLISOTHIAZOLINONEPRESERVATIVE

METHYLPARABENFRAGRANCE, PRESERVATIVE

MONARDA FISTULOSA EXTRACTFLAVOURING, FRAGRANCE, PRESERVATIVE

MURRAYA KOENIGII LEAF OILPRESERVATIVE

MYRISTALKONIUM CHLORIDEPRESERVATIVE

MYRISTALKONIUM SACCHARINATEPRESERVATIVE

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How MOLYBDIC ACID appears in the CosIng inventory

The CosIng inventory lists MOLYBDIC ACID as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

MOLYBDIC ACID is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

MOLYBDIC ACID is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, MOLYBDIC ACID carries the following function designation(s):

PRESERVATIVE

CAS 7782-91-4 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for MOLYBDIC ACID

This page reproduces the CosIng inventory entry for MOLYBDIC ACID from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research MOLYBDIC ACID and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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Tools & next steps

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