Molekula
Basic chromic sulfate
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
Basic chromic sulfate is a chromium(III) compound used in industrial processes such as electroplating and as a catalyst in chemical synthesis. It appears as a dark green to black solid with a molecular formula of CrH3O12S3 and a molecular weight of 342.2 g/mol. It is stable at ambient storage conditions and classified as a hazardous substance with a signal word of Danger. Molekula supplies basic chromic sulfate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
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.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — $88.70 per pack
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Dark green powder |
| pH | 2-4 |
| Purity | ≥98% |
| Cr2O3 | 24-26% |
| Water insoluble matter | ≤0.1% |
| Alkalinity | 31-35% |
| Iron (Fe) | ≤0.05% |
| Hexavalent chromium | ≤2mg/kg |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 89987567 |
| CAS Number | 39380-78-4 |
| IUPAC Name | chromium(3+);hydrogen sulfate |
| EC Number | 619-674-8 |
| Molecular Formula | CrH3O12S3 |
| Molecular Weight | 342.2 |
| Exact Mass | 342.8192 |
| SMILES | OS(=O)(=O)[O-].OS(=O)(=O)[O-].OS(=O)(=O)[O-].[Cr+3] |
| InChIKey | QGLWFXMFZPIQLE-UHFFFAOYSA-K |
| InChI | InChI=1S/Cr.3H2O4S/c;3*1-5(2,3)4/h;3*(H2,1,2,3,4)/q+3;;;/p-3 |
| PubChem CID | 21414113 |
| UN Number | UN1759 |
| REACH Code | Y110 |
| HTS Code | 3202.90.1000 |
| Tariff Code | 3202900000 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H335 May cause respiratory irritation
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P302+P352 IF ON SKIN: Wash with soap and water
- P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+P351+P338 IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do, continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
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
- chromium(3+);hydrogen sulfate
- CID 21414113
Frequently asked questions
What is basic chromic sulfate used for?
It is primarily used as a catalyst in organic synthesis and as a mordant in dyeing textiles.
What is the chemical formula and molecular weight of basic chromic sulfate?
The formula is CrH3O12S3 with a molecular weight of 342.2 g/mol.
How should basic chromic sulfate be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade of basic chromic sulfate does Molekula supply?
We supply it in technical grade, suitable for industrial and laboratory applications.
Can Molekula supply basic chromic sulfate in bulk?
Yes, we can supply basic chromic sulfate in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of basic chromic sulfate?
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.