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Molekula

Molekula

Chromium (III) nitrate nonahydrate

SKU 39626773 CAS 7789-02-8 Cr(NO3)3 · 9H2O MW 400.15 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

Chromium (III) nitrate nonahydrate is a hydrated inorganic salt used in catalysis, electroplating, and as a reagent in analytical chemistry. It is also applied in textile printing and dyeing and in the formulation of corrosion inhibitors. It appears as violet crystals and is soluble in water. Available in powder or crystalline form, it has a molecular weight of 400.15 g/mol, a CAS number of 7789-02-8, and should be stored at ambient temperature. It carries a warning signal word due to its toxicity and environmental hazards. Molekula supplies Chromium (III) nitrate nonahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

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

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.

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  • 25 g — £30.90 per pack ex VAT · £37.08 inc. VAT

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Specifications

Property Value
Appearance Purple red crystal
Chloride (Cl-) ≤ 0.01%
Assay ≥ 98.0%
Iron (Fe) ≤ 0.05%
Sulphates (SO4)(2-) ≤ 0.02%

Storage & handling

Property Value
Storage Temperature Ambient
Transport Class 5.1
Packing Group III
Acidity Acid

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Melting Point 66 °C

Source: PubChem CID 9887206 (ICSC)

Identification

Property Value
SKU 39626773
CAS Number 7789-02-8
IUPAC Name chromium(3+);trinitrate;nonahydrate
Molecular Formula Cr(NO3)3 · 9H2O
Molecular Weight 400.15
Exact Mass 399.999
SMILES [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].O.O.O.O.O.O.O.O.O.[Cr+3]
InChIKey GVHCUJZTWMCYJM-UHFFFAOYSA-N
InChI InChI=1S/Cr.3NO3.9H2O/c;3*2-1(3)4;;;;;;;;;/h;;;;9*1H2/q+3;3*-1;;;;;;;;;
PubChem CID 9887206
UN Number UN2720
REACH Code Y110
HTS Code 2834.29.5100
Tariff Code 2834298000

Safety & GHS

Warning
  • GHS pictogram — Oxidizing Oxidizing GHS03
  • GHS pictogram — Health Hazard Health Hazard GHS07

Hazard statements

  • H272 May intensify fire; oxidizer
  • H303 May be harmful if swallowed
  • H315 Causes skin irritation
  • H317 May cause an allergic skin reaction
  • H319 Causes serious eye irritation
  • H412 Harmful to aquatic life with long lasting effects

Precautionary statements

  • P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
  • P220 Keep/Store away from clothing/combustible materials
  • P273 Avoid release to the environment
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P302+352 IF ON SKIN: Wash with soap and water
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

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

  • Chromic nitrate nonahydrate
  • chromic;trinitrate;nonahydrate
  • Chromium isotopic standard
  • Chromium nitrate nonahydrate
  • Chromium Nitricum
  • Chromium trinitrate nonahydrate
  • chromium(3+);trinitrate;nonahydrate
  • Chromium(III) nitrate, nonahydrate (1:3:9)
  • CrH18N3O18
  • Nitric acid, chromium(3+) salt, nonahydrate

Frequently asked questions

What is Chromium (III) nitrate nonahydrate used for?

It is used in catalysis, electroplating, and as a precursor in the synthesis of other chromium compounds.

What is the chemical formula and molecular weight?

The formula is Cr(NO3)3 · 9H2O with a molecular weight of 400.15 g/mol.

How should it be stored?

Store at ambient temperature in a dry, well-ventilated area away from incompatible materials.

What grade is available?

Available in reagent grade; other grades may be available upon request.

Can Molekula supply it in bulk?

Yes, bulk quantities are available—please contact our sales team for pricing and availability.

What documentation comes with the order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

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.

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