NOAEL Data REACH Registered Cosmetic Ingredient

Molybdic(VI) acid (H2MoO4)

Also known as: Molybdic acid, Molybdate (MoO42-), hydrogen (1:2), (T-4)-, Molybdate (MoO42-), dihydrogen, (T-4)-, Molybdic acid (H2MoO4), Dihydrogen tetraoxomolybdate(2-) (+4 more)

CAS 7782-91-4

Molybdic(VI) acid (H2MoO4) (CAS 7782-91-4) is a chemical substance. Key regulatory status: REACH registered, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH.

View cosmetic safety profile for Molybdic Acid →

Cross-Vertical Regulatory Divergence

Molybdic(VI) acid (H2MoO4) is classified GHS CMR hazard (H319, H335, H373, H351) in the chemicals database but is allowed in EU cosmetics.

SOURCE Cross-vertical comparison Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code

SOURCE noael studies public

NOAEL studies

SOURCE chemical inventory jurisdictions

Regulatory lists

SOURCE eu clp annex vi

GHS signal

Not classified

Chemical Identity

CAS, identifiers, formula, and alternate names for the matched substance record.

SOURCE DSSTox identifiers 15 fields

Name

Molybdic(VI) acid (H2MoO4)

CAS Number

7782-91-4

DTXSID

DTXSID20894105

Molecular Formula

Mo.4O

InChI Key

LYKAEQVYSKEMBJ-UHFFFAOYSA-P

Monoisotopic Mass

161.885063

Synonyms

Molybdic acidMolybdate (MoO42-), hydrogen (1:2), (T-4)-Molybdate (MoO42-), dihydrogen, (T-4)-Molybdic acid (H2MoO4)Dihydrogen tetraoxomolybdate(2-)H2MoO4Molybdenum hydroxide oxide (Mo(OH)2O2)Molybdenum hydroxide oxide (MoO2(OH)2)EINECS No.: 231-970-5

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 1 records

Preservative

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 8 of 8 studies

Value	Unit	Endpoint	Route	Species	Source
I96N991J1N	UNII	FDA UNII substance identifier	-	-	openFDA substances
I96N991J1N	UNII	FDA UNII substance identifier	-	-	openFDA substances
I96N991J1N	UNII	FDA UNII substance identifier	-	-	openFDA substances
I96N991J1N	UNII	FDA UNII substance identifier	-	-	openFDA substances
=30	mg/m3	LOEC	inhalation	Mouse	ToxValDB_ECHA_IUCLID
>100	mg/m3	NOAEC	inhalation	Rat	ToxValDB_ECHA_IUCLID
=17	mg/kg bw/day	NOAEL	oral	Rat	ToxValDB_ECHA_IUCLID
=42.5	mg/kg bw/day	NOAEL	oral	Rat	ToxValDB_ECHA_IUCLID

Showing 8 of 8 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA (EU) 1 records

Status	Name	EC Number	Link
Registered	Molybdic acid	231-970-5	ECHA overview →

Australian Status (AICIS)

Australian industrial chemicals inventory status and applicable conditions.

SOURCE AICIS inventory 1 records

Inventory Status

listed

Cosmetic Safety Profile

Same-CAS cosmetic ingredient record for cross-vertical context.

SOURCE CosIng / Ingredients DB

EU Status

permitted

Max

Frequently Asked Questions

What is the NOAEL for Molybdic(VI) acid (H2MoO4)?

Molybdic(VI) acid (H2MoO4) has 8 NOAEL studies in the database. The lowest reported value is I96N991J1N UNII. Source: openFDA substances.

Is Molybdic(VI) acid (H2MoO4) used in cosmetics?

Yes, Molybdic(VI) acid (H2MoO4) is also indexed as a cosmetic ingredient under the name Molybdic Acid. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.

Where does the safety data for Molybdic(VI) acid (H2MoO4) come from?

Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ECHA REACH, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.

Does Molybdic(VI) acid (H2MoO4) have different safety status in cosmetics vs industrial chemicals?

Molybdic(VI) acid (H2MoO4) is classified GHS CMR hazard (H319, H335, H373, H351) in the chemicals database but is allowed in EU cosmetics.

Is Molybdic(VI) acid (H2MoO4) used outside industrial chemicals?

Molybdic(VI) acid (H2MoO4) also appears in cosmetics databases.