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Trisodium citrate-5,5-hydrate ≥99.0% (dry basis), EMPROVE® ESSENTIAL FU VIII, E331

Supplier: MilliporeSigma

1.06431.9029 1.06431.1000
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
Corresponds to FU VIII, E 331
Conforms to the purity criteria on food additives according to the current European Commission Regulation.

Formula: C₆H₅Na₃O₇·5.5H₂O
MW: 357,15 g/mol
Storage Temperature: Ambient
CAS Number: 6858-44-2
EINECS: 200-675-3
Specification Test Results
Assay (perchloric acid titration, calculated on dried substance) ≥ 99.0 %
Identity passes test
Appearance of solution passes test
pH-value (5 %; water) 7.5 - 9.0
Reaction passes test
Chloride (Cl) ≤ 0.0330 %
Oxalate (C₂O₄) ≤ 0.0100 %
Oxalic acid passes test
Sulfate (SO₄) ≤ 0.1000 %
Heavy metals (as Pb) ≤ 0.0005 %
As (Arsenic) ≤ 0.0001 %
Fe (Iron) ≤ 0.001 %
Hg (Mercury) ≤ 0.0001 %
Pb (Lead) ≤ 0.0001 %
Readily carbonisable substance passes test
Loss on drying (150 °C) 26.0 - 30.0 %
Loss on drying (180 °C) ≤ 30.0 %



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Size Packaging Supplier No. VWR Catalog Number Unit Price Quantity
1 kg Poly Bottle 1.06431.1000 EM1.06431.1000 Case of 6 (1kg) Retrieving Restricted
Each (1kg) Retrieving Restricted
25 kg Lined Fiber Box 1.06431.9029 EM1.06431.9029 Each (25kg) 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.

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