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| LC2294 Dimethylyellow (C.I. 11020) indicator |
| Order number | Packaging | Quantity | Price € |
| AC29294 | Glass bottle | 10 g | 31.05 |
| Product information | |
| Synonyms | Dimethyl yellow, Solvent yellow 2, Methyl yellow |
| Hill Formula | C14H15N3 |
| HS Code | 2927 00 00 |
| EC number | 200-455-7 |
| Molar mass | 225.29 g/mol |
| CAS number | 60-11-7 |
| Chemical and physical data | |
| Solubility | (20 °C) practically insoluble |
| Melting point | 110 – 116 °C (decomposition) |
| Molar mass | 225.29 g/mol |
| Bulk density | 190 kg/m3 |
| pH value | ca.5 – 7 (10 g/l, H2O, 20 °C) (filtered slurry) |
| Safety information according to GHS | |
| Hazard Statement(s) | H301: Toxic if swallowed. H351: Suspected of causing cancer. |
| Precautionary Statement(s) | P281: Use personal protective equipment as required. |
| Signal Word | Danger |
| Hazard Pictogram(s) |   |
| Storage class | 6.1A Combustible substances, toxic |
| WGK | WGK 3 highly water endangering |
| Disposal | 9 Carcinogenic compounds and flammable compounds labelled “Highly toxic” or “Toxic”: container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535). |
| Safety information | |
| R Phrase | R 25-40 Toxic if swallowed.Limited evidence of a carcinogenic effect. |
| S Phrase | S 36/37-45 Wear suitable protective clothing and gloves.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). |
| Categories of danger | toxic, carcinogenic |
| Hazard Symbol |
|
Toxic
| Transport information | |
| Declaration (transport by sea) IMDG-Code | UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(4-(DIMETHYLAMINO)-AZOBENZENE), 6.1, III |
| Declaration (transport by air) IATA-DGR | UN 2811 TOXIC SOLID, ORGANIC, N.O.S.(4-(DIMETHYLAMINO)-AZOBENZENE), 6.1, III |
| Toxicological data | |
| LD 50 oral | LD50 rat 200 mg/kg |
| Specifications | |
| Identity (UV/VIS-Spectrum) | passes test |
| Melting point | 110 – 116 °C |
| Transition range | pH 3.0 – pH 4.0 Pink – brownish-yellow |
| Absorption maximum λ 1 (buffer pH 3.0) | 508 – 511 nm |
| Absorption maximum λ 2 (buffer pH 4.0) | 455 – 460 nm |
| Absorption maximum λ 3 (Ethanol) | 403 – 407 nm |
| Spec. Absorptivity A 1%/1cm (λ37m7ax; 0.005 g/l; ethanol; calc. on dried substances) | 1100 – 1300 |
| Loss on drying (40 °C; ≤ 1 hPa) | ≤ 5 % |
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C6H12N2O4S