Sodium dichromate dihydrate
Sodium dichromate dihydrate (CAS: 7789-12-0; Na2Cr2O7 · 2H2O) is an inorganic compound with a molar mass of 298.00 g/mol. This bright orange crystalline solid is a powerful oxidizing agent. It is primarily utilized in chemical synthesis, as a laboratory reagent, and in various industrial processes requiring strong oxidative capabilities. Its distinct properties make it valuable in specific analytical and preparative chemistry applications.
- IUPAC
- Sodium bichromate
Chemical Synthesis
Sodium dichromate dihydrate serves as a key oxidant in organic synthesis, facilitating various transformations. It is employed in the preparation of other chromium compounds and in complex chemical manufacturing processes.
Laboratory Reagent
As a versatile laboratory reagent, it is used in analytical chemistry for titrations and in wet chemical analysis. Its defined properties make it suitable for research and development applications.
Industrial Applications
Historically, it has found use in applications such as metal treatment, pigment production, and wood preservation due to its oxidative and chromate properties.
| Molecular weight | 298.00 |
|---|---|
| Linear formula | Na2Cr2O7 · 2H2O |
| Assay | ≥99% |
| Grade | purum |
| Melting point | 91 °C(lit.) |
Hazard statements
- H272May intensify fire; oxidiser
- 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 if inhaled
- H340May cause genetic defects
- H350May cause cancer
- H360FD
- H372Causes damage to organs through prolonged exposure
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P201Obtain special instructions before use
- P220Keep away from clothing and combustible materials
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P2 (EN 143) respirator cartridges, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3086 6.1/PG 1 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | O,T+,N |
| Risk statements (R) | 45-46-60-61-8-21-25-26-34-42/43-48/23-50/53 |
| Safety statements (S) | 53-45-60-61 |
| Anion traces | chloride (Cl-): ≤500 mg/kgsulfate (SO42-): ≤5000 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Sodium dichromate dihydrate used for?
+
Sodium dichromate dihydrate is used as an oxidizing agent in chemical synthesis, a reagent in analytical and laboratory settings, and in certain industrial processes.
What is the CAS number and chemical formula for Sodium dichromate dihydrate?
+
The CAS number is 7789-12-0 and the chemical formula is Na2Cr2O7 · 2H2O.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Sodium dichromate dihydrate in Purum grade with an assay of ≥99%. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards.
How should Sodium dichromate dihydrate be handled safely?
+
Sodium dichromate dihydrate is a dangerous substance, classified as an oxidizer, toxic, corrosive, mutagenic, carcinogenic, and toxic to reproduction, with severe health effects. Handle with appropriate personal protective equipment including dust masks, eye and face shields, gloves, and respirators. Avoid contact with skin, eyes, and inhalation of dust.
How is Sodium dichromate dihydrate packed and exported?
+
This chemical is packed and exported in compliance with all relevant international regulations for hazardous materials, including UN 3086.
How can I request a quote or sample for Sodium dichromate dihydrate?
+
Please contact Tech Serve Solutions directly via our website or phone to request a quote or sample for Sodium dichromate dihydrate.
▶ Related products
1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis
1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more
3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis
3-Methyl-1,5-pentanediol
Chemical Synthesis
3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis