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LC4113 Methyl red (C.I. 13020)indicator ACS,Reag. Ph Eur |
| Order number | Packaging | Quantity | Price € |
| AC31113 | Glass bottle | 25 g | 21.6 |
| AC31113 | Glass bottle | 100 g | 49.95 |
| Product information | |
| Grade | ACS,Reag. Ph Eur |
| Synonyms | 4-Dimethylaminoazobenzene-2′-carboxylic acid |
| Hill Formula | C15H15N3O2 |
| HS Code | 2927 00 00 |
| EC number | 207-776-1 |
| Molar mass | 269.31 g/mol |
| CAS number | 493-52-7 |
| Chemical and physical data | |
| Solubility | (20 °C) slightly soluble |
| Melting point | 178 – 182 °C |
| Molar mass | 269.31 g/mol |
| Bulk density | 300 – 500 kg/m3 |
| Safety information | |
| R Phrase | R 51/53 Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| S Phrase | S 61 Avoid release to the environment. Refer to special instructions/ Safety data sheets. |
| Categories of danger | dangerous for the environment |
| Hazard Symbol |  Dangerous for the environment |
| Storage class | 10 – 13 Other liquids and solids |
| WGK | WGK 2 water endangering |
| Disposal | 3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. |
| Transport information | |
| Declaration (transport by sea) IMDG-Code | UN 3077 ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S.(2-(4-DIMETHYLAMINOPHENYLAZO)BENZOIC ACID), 9, III, Marine Pollutant: P |
| Declaration (transport by air) IATA-DGR | UN 3077 ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S.(2-(4-DIMETHYLAMINOPHENYLAZO)BENZOIC ACID), 9, III |
| Specifications | |
| Identity (UV/VIS-Spectrum) | passes test |
| Appearance | Red to red-violet powder, eventually with granular parts. |
| Clarity of solution (1 g/l; ethanol) | passes test |
| Melting point (capillary method, temperatur measerment in the heating block) | 179 – 182 °C |
| Transition range | pH 4.4 – pH 6.0 Red – yellow |
| Absorption maximum – buffer pH 4.5 |
523 – 526 nm |
| – buffer pH 6.2 | 427 – 437 nm |
| Spec. Absorptivity A 1%/1cm – λ7m7ax; 0.005 g/l; buffer pH 4.5; calculated on anhydrous substance |
1350 – 1500 |
| – λ7m7ax; 0.005 g/l; buffer pH 6.2; calculated on anhydrous substance | 700 – 800 |
| Transition range – according to ACS |
passes test |
| Loss on drying (110 °C) | ≤ 5 % |
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