Ammonium chromate, 99%
Ammonium chromate, 99% (CAS 7788-98-9) supplier Zemixal: CrH8N2O4, COA and SDS with every lot, worldwide shipping. Purity 99%.
About Ammonium chromate, 99%
Ammonium chromate, 99% is part of the Zemixal transition Metal Compounds (Fe, Co, Ni, Cu, Zn, Mn, Cr) range. Key data (Extra Pure): CAS 7788-98-9, formula CrH8N2O4 and molar mass 152.07 g/mol. Typical appearance is yellow to orange to gold powder, chunks or granules.
Typical applications
- Dyes & pigments manufacture
- Paints, coatings & inks
- Textile processing
Safe handling
Physical constants on file: density 1.91 g/mL at 25 °C. Hazard communication follows GHS (Danger: H272, H314, H317 and H334). Our SDS lists exposure controls and first-aid measures. For transport it ships as UN UN 1479.
Available as 100 g, 500 g, 5 kg and 4 x 25 kg. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Dyes & pigments manufacture
- Paints, coatings & inks
- Textile processing
Applications
Grade guides
Specifications and identifiers
| Product name | Ammonium chromate, 99% |
|---|---|
| Catalogue number | ZX-013566 |
| CAS number | 7788-98-9 |
| IUPAC name | diazanium;dioxido(dioxo)chromium |
| Molecular formula | CrH8N2O4 |
| Molar mass | 152.07 g/mol |
| Exact mass | 151.9889 |
| Grade | Extra Pure |
| Purity / assay | 99% |
| Physical form | Granules |
| Appearance | Yellow to orange to gold powder, chunks or granules |
| Density | 1.91 g/mL at 25 °C |
| H-bond donors / acceptors | 2 / 4 |
| Topological polar surface area | 82.3 Ų |
| HS code | 28415090 |
| UN number | UN 1479 |
| InChIKey | MFFLHUNPSHBKRG-UHFFFAOYSA-P |
| SMILES | [NH4+].[NH4+].[O-][Cr](=O)(=O)[O-] |
| PubChem CID | 24595 |
| Synonyms | Chromic acid ammonium salt, Diammonium chromate, Neutral ammonium chromate, Chromic acid, diammonium salt, Ammonium chromate(VI), Chromic acid (H2CrO4), diammonium salt, Chromic acid (H2CrO4), ammonium salt (1:2), Cromato amonico, Ammonium chromic acid, Cromato amonico (Spanish), chromic acid diammonium salt, (NH4)2CrO4 |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H272May intensify fire, oxidizer
- H314Causes severe skin burns and eye damage
- H317May cause an allergic skin reaction
- H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H350May cause cancer
- H400Very toxic to aquatic life
- H410Very toxic to aquatic life with long lasting effects
Precautionary statements P203, P210, P220, P233, P260, P261, P264, P271, P272, P273, P280, P284, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P318, P321, P333 + P317, P342 + P316, P362 + P364, P363
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 100 g | Quoted on request | |
| 500 g | Quoted on request | |
| 5 kg | Quoted on request | |
| 4 x 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Ammonium chromate, 99%
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