Skip to content
Molekula

Molekula

Molybdic acid

SKU 16464487 CAS 7782-91-4 H2MoO4 MW 161.95 In stock Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Molybdic acid is a white, crystalline solid used in catalyst production, metallurgy, and as a precursor for molybdenum-based compounds. It is also used in pigment formulations for paints and coatings and in metal extraction and refining operations. It is available in powder or solid form, stable at ambient temperatures, and requires careful handling due to its warning signal. CAS: 7782-91-4, molecular formula: H2MoO4, molecular weight: 161.95 g/mol. Molekula supplies molybdic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Often bought together

Pricing & pack sizes

Pack sizes & pricing

These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.

Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.

  • 100 g — £35.80 per pack ex VAT · £42.96 inc. VAT

Need a different quantity or pack?

Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.

Quantity
Unit
Needed by
Full name
Email
Company
Phone (optional)
Notes

Expect a response within hours

Prices exclude VAT/sales tax and shipping.

Specifications

Property Value
Appearance White powder
Assay ⩾ 99.9%
CuO ≤ 0.0005%
Iron (Fe) ≤ 0.001%
Magnesium (Mg) ≤ 0.001%
Potassium (K) ≤ 0.0003%
Nickel (Ni) ≤ 0.001%
Potassium & sodium ≤ 0.002%
Aluminium (Al) ≤ 0.001%
Tungsten (W) ≤ 0.002%
Silicon (Si) ≤ 0.001%

Storage & handling

Property Value
Storage Temperature Ambient
Acidity Acid

Identification

Property Value
SKU 16464487
CAS Number 7782-91-4
IUPAC Name dihydroxy(dioxo)molybdenum
EC Number 231-970-5
Molecular Formula H2MoO4
Molecular Weight 161.95
Exact Mass 163.9007
SMILES O[Mo](=O)(=O)O
InChIKey VLAPMBHFAWRUQP-UHFFFAOYSA-L
InChI InChI=1S/Mo.2H2O.2O/h;2*1H2;;/q+2;;;;/p-2
PubChem CID 82208
REACH Code Y110
TSCA Listed Yes
HTS Code 28257000
Tariff Code 2825700020

Safety & GHS

Warning
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Serious Health Hazard Serious Health Hazard GHS08

Hazard statements

  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation
  • H373 May cause damage to organs through prolonged or repeated exposure

Precautionary statements

  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P314 Get medical advice/attention if you feel unwell
  • P337+313 If eye irritation persists get medical advice/attention

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

  • Diammonium dimolybdate
  • dihydroxidodioxidomolybdenum
  • dihydroxy(dioxo)molybdenum
  • H2MoO4
  • H2MoO4.12H2O
  • Molybdate (MoO42-), dihydrogen, (beta-4)-
  • Molybdate (MoO42-), dihydrogen, (T-4)-
  • Molybdate (MoO42-), hydrogen (1:2), (T-4)-
  • Molybdic acid (H2MoO4)
  • Molybdic(VI) acid

Frequently asked questions

What is molybdic acid used for?

Molybdic acid is primarily used as a precursor in the production of molybdenum-based catalysts and in the synthesis of molybdenum metal and alloys.

What is the chemical formula and molecular weight of molybdic acid?

The formula is H2MoO4 with a molecular weight of 161.95 g/mol.

How should molybdic acid be stored?

It should be stored at ambient temperature, away from moisture and incompatible materials.

What grade of molybdic acid does Molekula supply?

Molekula supplies molybdic acid in technical grade; custom grades are available upon request.

Can Molekula supply molybdic acid in bulk?

Yes, Molekula can supply molybdic acid in bulk quantities; please contact sales for pricing and availability.

What documentation comes with a purchase of molybdic acid?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation is available upon request.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

Talk to a chemist
Documents Pricing
Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. Expect a response within hours.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
View basket