Molekula
Potassium chromate
Potassium chromate is an inorganic compound used in laboratory analysis, corrosion inhibition, and as a precursor in chromium-based chemical synthesis. It appears as a yellow crystalline solid and is highly toxic and carcinogenic. CAS: 7789-00-6, Molecular formula: K2CrO4, Molecular weight: 194.19 g/mol, Storage: Ambient. Molekula supplies Potassium chromate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Potassium chromate is an inorganic compound used in laboratory analysis, corrosion inhibition, and as a precursor in chromium-based chemical synthesis. It appears as a yellow crystalline solid and is highly toxic and carcinogenic. CAS: 7789-00-6, Molecular formula: K2CrO4, Molecular weight: 194.19 g/mol, Storage: Ambient. Molekula supplies Potassium chromate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Yellow-green powder |
| pH | 8.6–9.8 |
| Sulfate | ≤0.02% |
| Assay | ≥99.5% |
| Calcium | ≤0.005% |
| Sodium | ≤0.1% |
| Water insoluble matter | ≤0.0004% |
| Chloride | ≤0.003% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Shelf Life | 24 months |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| CAS Number | 7789-00-6 |
| Molecular Formula | K2CrO4 |
| Molecular Weight | 194.19 |
| SMILES | [O-][Cr](=O)(=O)[O-].[K+].[K+] |
| EC / UN Number | 3288 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28419050 |
| Tariff Code | 2841500060 |
Safety & GHS
-
Explosive
GHS01
-
Flammable
GHS02
-
Toxic
GHS06
Hazard statements
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H340 May cause genetic defects
- H350i May cause cancer by inhalation
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P201 Obtain special instructions before use
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
For research and industrial use only
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.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is potassium chromate used for?
Potassium chromate is primarily used in the production of pigments, as a corrosion inhibitor, and in analytical chemistry for testing sulfate ions.
What is the chemical formula and molecular weight of potassium chromate?
The formula is K2CrO4 with a molecular weight of 194.19 g/mol.
How should potassium chromate be stored?
It should be stored at ambient temperature in a dry, well-ventilated area, away from incompatible materials.
What grade of potassium chromate does Molekula supply?
Molekula supplies potassium chromate in reagent grade, suitable for laboratory and industrial applications.
Can Molekula supply potassium chromate in bulk?
Yes, Molekula can supply potassium chromate in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a purchase of potassium chromate?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) compliant with GHS standards.
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.