2,5-Dichloro-3-methylthiophene
- CAS NO.：17249-90-0
- Empirical Formula: C5H4Cl2S
- Molecular Weight: 167.06
- MDL number: MFCD00022490
- EINECS: 623-690-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:19:36
Properties of 2,5-Dichloro-3-methylthiophene
| Boiling point: | 185 °C |
| Density | 1.331 g/mL at 25 °C |
| refractive index | 1.5548 |
| Flash point: | 170°F |
| storage temp. | 2-8°C |
| form | clear liquid |
| color | Light orange to Yellow to Green |
| CAS DataBase Reference | 17249-90-0(CAS DataBase Reference) |
Safety information for 2,5-Dichloro-3-methylthiophene
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H227:Flammable liquids H301:Acute toxicity,oral H302:Acute toxicity,oral H312:Acute toxicity,dermal H315:Skin corrosion/irritation H318:Serious eye damage/eye irritation H319:Serious eye damage/eye irritation H331:Acute toxicity,inhalation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. P403+P235:Store in a well-ventilated place. Keep cool. P501:Dispose of contents/container to..… |
Computed Descriptors for 2,5-Dichloro-3-methylthiophene
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