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OXALIC ACID DIHYDRATE AR/ACS Ethanedioic acid
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Specification
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General
Description
| Article No. | RC0013 | Grade | AR/ACS |
| Purity | 99.5% | CAS No. | 6153-56-6 |
| Molecular Formula | C2H2O4.2H2O | Molecular Weight | 126.07 |
| H.S. Code | 2917.1110 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Colorless crystalline | ||||
| Odour | Odorless | pH value | 1.3 | ||||
| Melting point/ Freezing point [°C] | 189.5 °C | Boiling point [°C] | 157 °C | ||||
| Vapour pressure [20°C] | < 0.01 hPa at 20 °C | Vapour density | 4.4 | ||||
| Density [g/cm3] | 1.9 | Solubility in water [% weight] | 1g/7ml of water | ||||
Specifications
| Appearance | White crystalline powder | Assay | Min 99.5% |
| Insoluble matter | Max 0.005% | Chloride (Cl) | Max 0.0005% |
| Sulphate (SO4) | Max 0.005% | Total nitrogen (N) | Max 0.001% |
| Reaction against H2SO4 | Passes test | Heavy metal (as Pb) | Max 0.0005% |
| Calcium (Ca) | Max 0.001% | Iron (Fe) | Max 0.0002% |
| Residue on ignition (at 800°C) | Max 0.01% |
Safety Information and Hazard Symbols
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Symbol: GHS05, GHS07
Signal Word: Danger
UN No.: 3261
IMCO Class No.: 8
Packing Group: III
Hazardous Statement: H302+H312-H314
Precaution Statement: P264-P280-P301+P312-P302+P352+P312-P305+P351+P338-P362+P364
Signal Word: Danger
UN No.: 3261
IMCO Class No.: 8
Packing Group: III
Hazardous Statement: H302+H312-H314
Precaution Statement: P264-P280-P301+P312-P302+P352+P312-P305+P351+P338-P362+P364
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