Molekula
Chromium(III) Ammonium Sulphate
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) Ammonium Sulfate is a coordination compound primarily used as a mordant in dyeing and tanning processes, as well as in analytical chemistry for chromium-based reactions. It appears as a purple crystalline solid, soluble in water, and is also used in corrosion inhibition and as a catalyst. This chemical has a CAS number of 13548-43-1, with the molecular formula CrNH4(SO4)2 and a molecular weight of 262.157 g/mol. It should be stored at ambient conditions. The product carries a signal word of "Warning" according to safety classifications. Molekula supplies Chromium(III) Ammonium 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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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 | blue-violet crystalline solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90030517 |
| CAS Number | 13548-43-1 |
| Molecular Formula | CrNH4(SO4)2 |
| Molecular Weight | 262.157 |
| SMILES | [NH4+].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Cr+3] |
| REACH Code | Y110 |
| HTS Code | 2833.29.4000 |
| Tariff Code | 2833298080 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H332 Harmful if inhaled
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+350 IF ON SKIN: Gently wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
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
No alternate names recorded for this product.
Frequently asked questions
What is Chromium(III) Ammonium Sulphate commonly used for?
Chromium(III) Ammonium Sulphate is primarily used as a mordant in dyeing and tanning processes, as well as in analytical chemistry for chromium analysis and as a catalyst in some organic reactions.
What is the chemical formula and molecular weight of Chromium(III) Ammonium Sulphate?
The chemical formula is **CrNH₄(SO₄)₂**, and the molecular weight is **262.157 g/mol**.
What safety classification does Chromium(III) Ammonium Sulphate have?
The product carries a **Signal Word: Warning**, indicating moderate hazard levels. Always refer to the SDS for full safety details.
How should Chromium(III) Ammonium Sulphate be stored?
Store in a cool, dry place at **ambient temperature**, away from incompatible substances and moisture.
Does Molekula offer Chromium(III) Ammonium Sulphate in bulk quantities?
Yes, Molekula can supply Chromium(III) Ammonium Sulphate in bulk, depending on availability and order specifications. Contact us for details.
What documentation is provided with an order of Chromium(III) Ammonium Sulphate?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (SDS)**, and a **product specification sheet** for reference.
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