Is Molybdic Acid safe in cosmetics?
Molybdic Acid has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted. 2 toxicological study endpoint(s) are available in our database.
Molybdic Acid
Also known as: Molybdate (MoO42-), hydrogen (1:2), (T-4)-, Molybdate (MoO42-), dihydrogen, (T-4)-, Molybdic acid (H2MoO4), Dihydrogen tetraoxomolybdate(2-), H2MoO4 (+3 more)
INCI: MOLYBDIC ACID
Molybdic Acid (CAS 7782-91-4) is a cosmetic cosmetic ingredient functioning as Not specifically assigned a cosmetic function in CosIng; may serve as a. Reported NOAEL =17 mg/kg bw/day in Rat (ToxValDB_ECHA_IUCLID); EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.
View industrial chemical safety profile for CAS 7782-91-4 →
Auto-generated CPSR Part A draft with source citations
Cross-Vertical Regulatory Divergence
Molybdic Acid is classified GHS CMR hazard (H319, H335, H373, H351) in the chemicals database but is allowed in EU cosmetics.
Source: Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code
Function
Not specifically assigned a cosmetic function in CosIng; may serve as a corrosion inhibitor or trace mineral source
Safety Rating
MODERATE
Chemistry & Identifiers
IUPAC Name
dihydroxy(dioxo)molybdenum
InChIKey
VLAPMBHFAWRUQP-UHFFFAOYSA-L
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Allowed - no specific cosmetic prohibition
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Molybdic Acid.
Calculate MoS for your specific formulation with the MoS Calculator.
Toxicological Studies
2 study endpoints found for Molybdic Acid. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.
| Endpoint | Value | Route | Species | Study Type | Source |
|---|---|---|---|---|---|
| NOAEL | =17 mg/kg bw/day | oral | Rat | reproduction developmental | ToxValDB_ECHA_IUCLID |
| NOAEL | =42.5 mg/kg bw/day | oral | Rat | chronic | ToxValDB_ECHA_IUCLID |
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
1 - 10 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Preservative
Expert Verdict
Expert safety assessment and concern-level summary for Molybdic Acid.
NOAEL Studies Summary
View details ->Public NOAEL study rows linked to Molybdic Acid by CAS number or substance name.
Studies
11
Lowest NOAEL
17 mg/kg bw/day
Highest NOAEL
50 mg/kg bw/day
ToxValDB_ECHA_IUCLID
ECHA_REACH_reach_study_results_dossiers_23-05-2023.zip
Known Synonyms
Molybdate (MoO42-), hydrogen (1:2), (T-4)-
Molybdate (MoO42-), dihydrogen, (T-4)-
Molybdic acid (H2MoO4)
Dihydrogen tetraoxomolybdate(2-)
H2MoO4
Molybdenum hydroxide oxide (Mo(OH)2O2)
Molybdenum hydroxide oxide (MoO2(OH)2)
EINECS No.: 231-970-5
Chemical Function
Preservative
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Molybdic Acid allowed in the EU?
Molybdic Acid EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Molybdic Acid do in cosmetics?
Molybdic Acid functions as: Not specifically assigned a cosmetic function in CosIng; may serve as a corrosion inhibitor or trace mineral source. It is classified as a cosmetic ingredient in our database. CAS number: 7782-91-4.
What is the NOAEL for Molybdic Acid?
The NOAEL (No Observed Adverse Effect Level) for Molybdic Acid is =17 mg/kg bw/day based on a reproduction developmental study via oral route in Rat. A total of 2 study endpoints are available. Source: ToxValDB_ECHA_IUCLID.
Is Molybdic Acid used outside cosmetics?
Molybdic Acid also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does Molybdic Acid have different safety status in cosmetics vs industrial chemicals?
Molybdic Acid is classified GHS CMR hazard (H319, H335, H373, H351) in the chemicals database but is allowed in EU cosmetics.
Compliance Tools
Check Molybdic Acid compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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