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| LC5394 Sodium dichromate dihydrate for analysis EMSURE ACS |
| Order number | Packaging | Quantity | Price € |
| AC32394 | Plastic bottle | 250 g | 32.18 |
| AC32394 | Plastic bottle | 1 kg | 963 |
| Product information | |
| Grade | ACS |
| Synonyms | Sodium bichromate, Sodium pyrochromate |
| Hill Formula | Cr2Na2O7*2H2O |
| Chemical formula | Na2Cr2O7 * 2 H2O |
| HS Code | 2841 30 00 |
| EC number | 234-190-3 |
| Molar mass | 298.00 g/mol |
| EC index number | 024-004-00-7 |
| CAS number | 7789-12-0 |
| Chemical and physical data | |
| Solubility | 731.8 g/l (20 °C) |
| Melting point | 356.7 °C (anhydrous substance) |
| Molar mass | 298.00 g/mol |
| Density | 2.35 g/cm3 (20 °C) |
| Bulk density | 1200 kg/m3 |
| pH value | 4.0 (1 g/l, H2O, 20 °C) |
| Boiling point | 400 °C (decomposition) |
| Safety information | |
| R Phrase | R 45-46-60-61- 8-21-25-26-34-42/43-48/23-50/53 May cause cancer.May cause heritable genetic damage.May impair fertility.May cause harm to the unborn child.Contact with combustible material may cause fire.Also harmful in contact with skin.Also toxic if swallowed.Also very toxic by inhalation.Causes burns.May cause sensitization by inhalation and skin contact.Also toxic: danger of serious damage to health by prolonged exposure through inhalation.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| S Phrase | S 53-45-60-61 Avoid exposure – obtain special instructions before use.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous waste.Avoid release to the environment. Refer to special instructions/ Safety data sheets. |
| Categories of danger | carcinogenic, mutagenic, toxic for reproduction, oxidizing, very toxic, corrosive, sensitizing, dangerous for the environment |
| Hazard Symbol |
|
| RTECS | HX7750000 |
| Storage class | Oxidizing agents (TRG 515 Group 2+3) |
| WGK | WGK 3 highly water endangering |
| Disposal | 22 Inorganic peroxides and oxidants as well as bromine and iodine should be rendered harmless by reduction with acidic sodium thiosulfate solution (Cat. No. 106513); container D or E. Slightly soluble oxidants should be collected separately in container E or I. |
Oxidising
Very toxic
Dangerous for the environment
| Transport information | |
| Declaration (transport by sea) IMDG-Code | UN 3086 TOXIC SOLID, OXIDIZING, N.O.S.(SODIUM DICHROMATE), 6.1 (5.1), II |
| Declaration (transport by air) IATA-DGR | UN 3086 TOXIC SOLID, OXIDIZING, N.O.S.(SODIUM DICHROMATE), 6.1 (5.1), II |
| Toxicological data | |
| LD 50 oral | LD50 rat 50 mg/kg |
| LD 50 dermal | LD50 rabbit 1000 mg/kg |
| Specifications | |
| Assay (iodometric) | 99.5 – 100.5 % |
| Identity | passes test |
| Insoluble matter | ≤ 0.005 % |
| Chloride (Cl) | ≤ 0.002 % |
| Sulphate (SO4) | ≤ 0.01 % |
| Al (Aluminium) | ≤ 0.002 % |
| Ca (Calcium) | ≤ 0.002 % |
| Cu (Copper) | ≤ 0.001 % |
| Fe (Iron) | ≤ 0.002 % |
| K (Potassium) | ≤ 0.01 % |
| Mg (Magnesium) | ≤ 0.005 % |
| Pb (Lead) | ≤ 0.002 % |