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CAS RN: 143874-13-9
4-Ethynyl-1,2-difluorobenzene
- Product code: ICTE1349
- Purity/Analytical Methods: >98.0%(GC)
Basic Information
| Appearance and Shape (20°C) | Liquid |
|---|---|
| CAS RN | 143874-13-9 |
| MDL number | MFCD08059511 |
| Molecular weight | 138.12 |
| Molecular Formula | C8H4F2 |
| Product code | ICTE1349 |
| Purity/Analytical Methods | >98.0%(GC) |
| Reaxys-RN | 11270473 |
| Situations to avoid | Air Sensitive |
| Store under inert gas | Store under inert gas |
Technical Specifications
Technical Specifications
| Appearance | Colorless to Light yellow clear liquid |
|---|---|
| Purity(GC) | min. 98.0 % |
Physical properties (reference value)
| Flash point | 7 °C |
|---|---|
| Poroportion | 1.17 |
| Refractive index | 1.50 |
Safety and Regulatory
GHS
| Pictograms |
|
|---|---|
| Hazard statement | H315 : Causes skin irritation H319 : Causes serious eye irritation H225 : Highly flammable liquid and vapor. |
| Precautionary Statements | P501 : Dispose of contents/ container to an approved waste disposal plant P240 : Ground/bond container and receiving equipment P210 : Keep away from heat/sparks/open flames/hot surfaces. No smoking P233 : Keep container tightly closed P243 : Take precautionary measures against static discharge P241 : Use explosion-proof electrical/ ventilating/ lighting/ equipment P242 : Use only non-sparking tools P264 : Wash skin thoroughly after handling P280 : Wear protective gloves/ eye protection/ face protection P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish P337 + P313 : If eye irritation persists: Get medical advice/ attention P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower P332 + P313 : If skin irritation occurs: Get medical advice/ attention P362 : Take off contaminated clothing and wash before reuse P403 + P235 : Store in a well-ventilated place. Keep cool. |
| Signal word | Danger |
Transport information
| Category | 3 |
|---|---|
| Packaging category | II |
| UN number | UN1993 |
Product Category
Chemical structure
Chemistry Building Blocks Fluorinated Building Blocks Arenes [Non-Heterocyclic Fluorinated Building Blocks] Non-Heterocyclic Fluorinated Building Blocks Chemical Biology Conjugation Chemistry: Azides, Alkynes and Other Reagents Aromatic Hydrocarbons [Terminal Alkynes] Functionalized Alkynes [Conjugation Chemistry] Terminal Alkynes [Click Chemistry]
Life Science Pharmaceutical Development and Drug Discovery Research Conjugation Chemistry: Azides, Alkynes and Other Reagents Aromatic Hydrocarbons [Terminal Alkynes] Functionalized Alkynes [Conjugation Chemistry] Terminal Alkynes [Click Chemistry]
Materials Science Material Building Blocks Liquid Crystal (LC) Building Blocks Ethynylbenzenes [Liquid Crystal (LC) Building Blocks]