CAS Number143874-13-9
Synonyms3,4-Difluorophenylacetylene; 1-Ethynyl-3,4-fluorobenzene; 4-Ethynyl-1,2-difluorobenzene
Molecular FormulaC8H4F2
Molecular Weight138.11
Purity90%
Density1.2±0.1 g/cm3
Boiling Point145.9±30.0 °C at 760 mmHg
AppearanceLiquid;Colorless to Light yellow clear liquid
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 143874-13-9 |
| Catalog No. | 2A-9062062 |
| Chinese Name | 3,4-二氟苯乙炔 |
| Synonyms | 3,4-Difluorophenylacetylene; 1-Ethynyl-3,4-fluorobenzene; 4-Ethynyl-1,2-difluorobenzene |
| Molecular Formula | C8H4F2 |
| Molecular Weight | 138.11 |
| Purity | 90 |
| Density | 1.2±0.1 g/cm3 |
| Boiling Point | 145.9±30.0 °C at 760 mmHg |
| Appearance | Liquid;Colorless to Light yellow clear liquid |
| Storage Condition | Store under inert gas; avoid air |
| HTC | 2903999090 |
| PubChem ID | 24885132 |
| MDL Number | MFCD08059511 |
| SMILES | Fc1ccc(cc1F)C#C |
| InChI | 1S/C8H4F2/c1-2-6-3-4-7(9)8(10)5-6/h1,3-5H |
| InChI Key | XFPAOXIWRDDQGG-UHFFFAOYSA-N |
| NACRES Code | NA.22 |
| UNSPSC | 12352100 |
| MSDS | msds/62062_1_143874_13_9.pdf |
| Use of | health and chemical hazard data given on this sheet. Storage:Store in closed vessels, refrigerated. Section8. Exposure Controls / Personal protection Engineering Controls: Use only in a chemical fume hood. Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles. General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse. Section9. Physical and chemical properties Not specified Appearance: Boiling point:No data Melting point:No data Flash point:No data Molecular formula:C8H4F2 Molecular weight:138.1 Section10. Stability and reactivity Conditions to avoid: Heat, flames and sparks. Materials to avoid: Oxidizing agents. Possible hazardous combustion products: Carbon monoxide, hydrogen fluoride. Section11. Toxicological information Section12. Ecological information Section13. Disposal consideration Arrange disposal as special waste, by licensed disposal company, in consultation with local waste disposal authority, in accordance with national and regional regulations. Section14. Transportation information Proper shipping name: FLAMMABLE LIQUIDS, N.O.S. (3,4-Difluorophenylacetylene) Section15. Regulatory information No chemicals in this material are subject to the reporting requirements of SARA Title III, Section 302, or have known CAS numbers that exceed the threshold reporting levels established by SARA Title III, Section 313. SECTION 16 - ADDITIONAL INFORMATION Safety Information Signal Word Danger Hazard Statements H225 Precautionary Statements P210 Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter Hazard Codes F: Flammable; Risk Phrases R11 HS Code 2903999090 Synthetic Route Total: 1 Page [(3,4-Difluorop... CAS#:866683-38-7 1-Ethynyl-3,4-f... CAS#:143874-13-9 4-Bromo-1,2-dif... CAS#:348-61-8 1-Ethynyl-3,4-f... CAS#:143874-13-9 |
| Tax Rebate | 9.0% |
| Supervision | None MFN tariff: 5.5% Ordinary tariff: 30.0% |
| Transport Info | Product name: Summary 2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
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