Potassium chromium(III) oxalate trihydrate
Potassium chromium(III) oxalate trihydrate (CAS: 15275-09-9; Formula: K3Cr(C2O4)3·3H2O) is a crystalline chemical compound with a molecular weight of 487.39 g/mol. Supplied by Tech Serve Solutions at 98% assay, this chromium salt is primarily utilised in materials science for the preparation of Langmuir-Blodgett thin films exhibiting magnetic properties. Its composition makes it a valuable reagent in specialised research and development.
- IUPAC
- Potassium tris(oxalato)chromate
- Synonyms
- Potassium tris(oxalato)chromate

Thin Film Preparation
Potassium chromium(III) oxalate trihydrate is used in the preparation of Langmuir-Blodgett thin films. These films are noted for their magnetic properties, making them of interest in advanced materials science research.
Materials Science Research
As a chromium salt, this compound serves as a key reagent in materials science. Its specific chemical structure allows for unique applications in the development of novel materials with tailored magnetic characteristics.
Specialised Chemical Reagent
This chemical compound functions as a specialised reagent in laboratory settings. It is employed in research where precise control over chromium-based materials and their properties is required.
| Molecular weight | 487.39 |
|---|---|
| Linear formula | K3Cr(C2O4)3·3H2O |
| Assay | 98% |
| Form | crystalline |
| Application | Used to prepare Langmuir-Blodgett thin films which have magnetic properties.1 |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Potassium chromium(III) oxalate trihydrate used for?
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Potassium chromium(III) oxalate trihydrate is used to prepare Langmuir-Blodgett thin films which have magnetic properties.
What is the CAS number and formula for Potassium chromium(III) oxalate trihydrate?
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The CAS number is 15275-09-9, and the chemical formula is K3Cr(C2O4)3·3H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Potassium chromium(III) oxalate trihydrate with an assay of 98%. This product is not supplied as USP, BP, or EP grade and TSS does not represent it as such.
How should Potassium chromium(III) oxalate trihydrate be handled safely?
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This compound is harmful if swallowed, in contact with skin, or if inhaled, and causes skin and eye irritation, and may cause respiratory irritation. Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle with adequate ventilation.
Is Potassium chromium(III) oxalate trihydrate a controlled substance?
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Based on the provided data, Potassium chromium(III) oxalate trihydrate is not indicated as a controlled substance.
How is Potassium chromium(III) oxalate trihydrate typically packed and shipped?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals and can accommodate various packing and shipping requirements for international orders.
How can I request a quote or sample for Potassium chromium(III) oxalate trihydrate?
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To request a quote or sample, please contact our sales team through the website or by phone, providing the product name and CAS number (15275-09-9).
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