Ammonium dichromate, GR 99%+
Ammonium dichromate, GR 99%+ (CAS 7789-09-5) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Purity ≥99%.
About Ammonium dichromate, GR 99%+
Ammonium dichromate, GR 99%+ is part of the Zemixal synthetic, Protecting & Derivatization Reagents range. For your records (AR), the material is defined by CAS 7789-09-5, formula Cr2H8N2O7 and molar mass 252.07 g/mol. Expect orange to dark orange powder or crystalline powder or chunks.
Where it is used
- Organic synthesis
- Reaction development
- Medicinal chemistry
- Dyes & pigments manufacture
Safe handling
Reported physical data: melting point 170 °C (dec.). Classified under GHS with signal word Danger and hazard statements H272, H301, H312 and H314. Read the SDS before first use. For transport it ships as UN UN 1439.
Available as 500 g, 5 kg and 25 kg. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Organic synthesis
- Reaction development
- Medicinal chemistry
- Dyes & pigments manufacture
Applications
Grade guides
Specifications and identifiers
| Product name | Ammonium dichromate, GR 99%+ |
|---|---|
| Catalogue number | ZX-000816 |
| 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 |
| Grade | AR |
| Purity / assay | ≥99% |
| Physical form | Powder |
| Appearance | Orange to dark orange powder or crystalline powder or chunks |
| Melting point | 170 °C (dec.) |
| 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, GR 99%+
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Other grades with CAS 7789-09-5
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