Ingredient Dictionary

MOLYBDIC ACID

Molybdic acid is a molybdenum oxoacid.

Definition

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

Source: PubChem

US FDA substance register · UNII I96N991J1N · registered name MOLYBDIC ACID · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Molybdic Acid is the inorganic acid that conforms to the formula

Cosmetic roles

Stops microbes growing in the productPRESERVATIVE

Safety & regulatory references

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

More data — names, identifiers, properties, test records, literature

Names & identifiers

MOLYBDIC ACIDINCI몰리브딕애씨드Korean label name (MFDS standard)Molybdate (MoO42-), dihydrogen, (T-4)-Synonym

CAS No.chemical registry number: 7782-91-4
EC No.EU chemical inventory number: 231-970-5
DTXSIDUS EPA chemical ID: DTXSID20894105
DTXCIDUS EPA compound ID: DTXCID601324201

IUPAC: Dihydrogen tetrakis(oxido)molybdate(2-)
Molecular formula: H2MoO4
Molecular weight: 161.96 g/mol

Measured properties

Appearance: Dry Powder · Monohydrate: White solid, Slightly soluble in cold water, more soluble in hot water, [Merck Index] Yellowish odorless powder, Insoluble in water, [MSDSonline]
Colour: white
Melting/freezing point: 300 ℃
Vapour density: ( N/R)
Relative density: 3.1 ( g/cm3 (20 ℃))
n-Octanol/water partition coefficient (Kow): 1.93
Decomposition temperature: 115 ℃
Molecular weight: 161.95

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: PubChem · KOSHA safety data sheets (Korea)

What products actually use it for

What the 2 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

Preservative1
Intermediate1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

2 skin studies and 3 eye studies are on record.

Classed as low5

The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 5 studies

Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation) adopted 12 May 1981
Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion) according to
Category 6.4A (Category 2A)
Eye Irritation · Read Across
Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion) according to
Eye irritation - category 2A
Eye Irritation · Screening