Sudan I
SIAL/103624 - Dye content ≥95 %
Synonym: 1-
CAS Number: 842-07-9
Empirical Formula (Hill Notation): C16H12N2O
Molecular Weight: 248.28
EC Number: 212-668-2
MDL Number: MFCD00003911
Linear Formula: C6H5N=NC10H6OH
Product Type: Chemical
| ε (extinction coefficient) | ≥30000 at 223-233 nm in ethanol at 0.01 g/L |
| εmax | ≥6000 at 299-319 nm in ethanol at 0.01 g/L (2nd) |
| λmax | ≥11000 at 461-491 nm in ethanol at 0.01 g/L |
| application(s) | diagnostic assay manufacturing hematology histology |
| color | orange to very dark orange |
| composition | Dye content, ≥95% |
| density | 0.32 g/cm3 at 20 °C ((68 °F) - OECD Test Guideline 109) |
| form | powder |
| InChI | 1S/C16H12N2O/c19-15-11-10 |
| InChI key | MRQIXHXHHPWVIL-UHFFFAOYSA |
| mp | 131-133 °C (lit.) |
| pH | 10.2 (26 °C) |
| Quality Level | 200  |
| SMILES string | Oc1ccc2ccccc2c1N=Nc3ccccc |
| solubility | chloroform: 1 mg/mL, clear to very slightly hazy, orange |
| storage temp. | room temp |
| technique(s) | microbe id | staining: suitable |
| Application: | Sudan I is a lysochrome, a diazo-conjugate dye, used as an industrial dye, added to products such as waxes, oils, petrol, solvents and polishes. Sudan I is a category 3 carcinogen previously, now banned, used to color certain foodstuffs. |
| Packaging: | 25, 100 g in glass bottle |
| Symbol |   GHS07,GHS08 |
| Signal word | Warning |
| Hazard statements | H317 - H341 - H351 - H413 |
| Precautionary statements | P201 - P202 - P273 - P280 - P302 + P352 - P308 + P313 |
| Hazard Codes | Xn |
| Risk Statements | 40-43-53-68 |
| Safety Statements | 22-36/37-46-61 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 2 |
| Flash Point(F) | > 554.0 °F - Pensky-Martens |
| Flash Point(C) | > 290 °C - Pensky-Martens c |
| mp | 131-133 °C (lit.) |
| Density | 0.32 g/cm3 at 20 °C ((68 °F) - OECD Test Guideline 109) |
| Storage Temp. | room temp |
| Colour Index Number | 12055 |
| UNSPSC | 12171500 |