Ammonium dichromate, 99%
Ammonium dichromate, 99% (CAS 7789-09-5) supplier Zemixal: Cr2H8N2O7, COA and SDS with every lot, worldwide shipping. Exported from India with full paperwork.
About Ammonium dichromate, 99%
Zemixal supplies Ammonium dichromate, 99% within its inorganic Chemicals, Metals & Advanced Materials portfolio. For your records (99%), the material is defined by CAS 7789-09-5, formula Cr2H8N2O7 and molar mass 252.07 g/mol. Typical appearance is orange to dark orange powder or crystalline powder or chunks.
Use cases we see most often
- Catalysis
- Materials research
Storage and safety notes
Hazard communication follows GHS (Danger: H272, H301, H312 and H314). Our SDS lists exposure controls and first-aid measures. For transport it ships as UN UN 1439.
Order it in 500 g, 5 kg and 25 kg packs or ask for a bulk quotation. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Specifications and identifiers
| Product name | Ammonium dichromate, 99% |
|---|---|
| Catalogue number | ZX-013567 |
| CAS number | 7789-09-5 |
| IUPAC name | diazanium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium |
| Molecular formula | Cr2H8N2O7 |
| Molar mass | 252.07 g/mol |
| Exact mass | 251.9142 |
| Purity / assay | 99% |
| Physical form | Powder |
| Appearance | Orange to dark orange powder or crystalline powder or chunks |
| H-bond donors / acceptors | 2 / 7 |
| Topological polar surface area | 126 Ų |
| HS code | 28415090 |
| UN number | UN 1439 |
| InChIKey | JOSWYUNQBRPBDN-UHFFFAOYSA-P |
| SMILES | [NH4+].[NH4+].[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-] |
| PubChem CID | 24600 |
| Synonyms | Ammonium bichromate, Ammonium dichromate(VI), Ammonium dichromate (VI), Bichromate d'ammonium, Dichromic acid, diammonium salt, Ammonio (bicromato di), Ammonio (dicromato di), Ammonium chromate ((NH4)2Cr2O7), Ammonium (dichromate d'), Chromic acid (H2Cr2O7), diammonium salt, Dichromic acid (H2Cr2O7), diammonium salt, Chromic acid (H2Cr2O7), ammonium salt (1:2) |
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
- H301Toxic if swallowed
- H312Harmful in contact with skin
- H314Causes severe skin burns and eye damage
- H317May cause an allergic skin reaction
- H330Fatal if inhaled
- H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H340May cause genetic defects
- 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, P270, P271, P272, P273, P280, P284, P301 + P316, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P318, P319, P320
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 500 g | Quoted on request | |
| 5 kg | Quoted on request | |
| 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 dichromate, 99%
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Other grades with CAS 7789-09-5
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