Keep my session open?
Ending In 
Your shopping session has expired.
Your session has expired. For your security, we have logged you out.
Would you like to log in again?

Ammonium heptamolybdate tetrahydrate 81-83% ACS

Supplier: Alfa Aesar
Synonyms: Ammonium heptamolybdate 4-hydrateAmmonium molybdate (para) 4-hydrateAmmonium molybdate (para) tetrahydrateAmmonium molybdate(VI) tetrahydrateAmmonium paramolybdate 4-hydrateAmmonium paramolybdate tetrahydrateHexaammonium heptamolybdate 4-hydrateHexaammonium heptamolybdate tetrahydrate

11831-18 11831-36 11831-A3 11831-22
In photography, analytical lab reagent for phosphate, lead, arsenate determination

Formula: (NH₄)₆Mo₇O₂₄·4H₂O
MW: 1235,86 g/mol
Melting Pt: ca 190 °C dec,
Density: 2,498
Storage Temperature: Ambient
MDL Number: MFCD00167059
CAS Number: 12054-85-2
EINECS: 234-722-4
Merck Index: 13,00536
Specification Test Results
Insoluble matter 0.005%
Chloride (asCl) 0.002%
NO3 Pass Test
Arsenate phosphate and silicate (as SiO2) 0.001%
PO3 5 ppm
SO3 0.02%
Heavy Metals (as Pb) 0.001%
Mg 0.00005
K 0.0001
Na 0.0001



Expand All / Collapse All
Size Packaging Supplier No. VWR Catalog Number Unit Price Quantity
50 g bottle 11831-18 AA11831-18 Each (50g) Retrieving Restricted
100 g bottle 11831-22 AA11831-22 Each (100g) Retrieving Restricted
500 g bottle 11831-36 AA11831-36 Each (500g) Retrieving Restricted
2 kg bottle 11831-A3 AA11831-A3 Each (2kg) Retrieving Restricted
restricted In order to process your orders without delay, we request that you provide the required business documentation to purchase this product.

To order chemicals, medical devices, or other restricted products please provide identification that includes your business name and shipping address via email or fax 484.881.5997 referencing your VWR account number . Acceptable forms of identification are:

  • State issued document with your organization's Federal Tax ID Number
  • State issued document with your organization's Resale Tax ID Number
  • City or County issued Business License
  • State Department of Health Services License
  • Any other ID issued by the State that includes the business name and address

* Please note if your account is within the State of California two of these pieces of identification will be required.
VWR will not lift restrictions for residential shipping addresses.

Expand All / Collapse All
Generate Barcodes Barcode Label Format: 
Generate PDF Catalog Page

Enter Details

Select the article for which you are looking for Certificate

Indicate the Lot Number. This field is mandatory.

Enter Certificate Details

Enter the Lot number:

Choose from recent batch/lot numbers:

Review & Compare Alternatives
We found alternative products that can save you up to  per item-unit.  To compare product details, select up to 3 alternatives below and click Compare Selected. To add items to your basket, enter a quantity and click Add to Basket.

Original Product:

Description Catalog Number Availability Unit Your Price Price Per Qty

A new look and a renewed commitment

Built on the features & resources you know, optimized with innovation from Avantor®. Our new brand symbolizes agility and our ability to adapt to customer needs.

Learn More Start Shopping