1.4-Difluorobe
1,4-Difluorobenzene
CAS: 540-36-3
Molecular Formula: C6H4F2
1.4-Difluorobe - Names and Identifiers
| Name | 1,4-Difluorobenzene |
| Synonyms | 1.4-Difluorobe P-DIFLUOROBENZENE p-Difluorobenzene For fluorobenzene Ontwofluorobenzene 1,4-difluroethylene 1,4-difluoro-benzen 1,4-Difluorobenzene 1-(2,2,3,3-tetrafluoro-2,3-dihydro-1,4-benzodioxin-6-yl)ethanone |
| CAS | 540-36-3 |
| EINECS | 208-742-9 |
| InChI | InChI=1/C6H4F2/c7-5-1-2-6(8)4-3-5/h1-4H |
| InChIKey | QUGUFLJIAFISSW-UHFFFAOYSA-N |
1.4-Difluorobe - Physico-chemical Properties
| Molecular Formula | C6H4F2 |
| Molar Mass | 114.09 |
| Density | 1.11 g/mL at 25 °C (lit.) |
| Melting Point | -13 °C (lit.) |
| Boling Point | 88-89 °C (lit.) |
| Flash Point | 36°F |
| Solubility | 1.2g/l |
| Vapor Presure | 63.6mmHg at 25°C |
| Appearance | Liquid |
| Specific Gravity | 1.110 |
| Color | Clear colorless to slightly yellow |
| Merck | 14,3148 |
| BRN | 1904541 |
| Storage Condition | room temp |
| Refractive Index | n20/D 1.441(lit.) |
| Physical and Chemical Properties | Colorless transparent liquid, boiling point 88 ℃-89 ℃, melting point -13 ℃, flash point 2 ℃, refractive index 1.4410, specific gravity 1.110. |
| Use | Used as a pharmaceutical Intermediate |
1.4-Difluorobe - Risk and Safety
| Risk Codes | R11 - Highly Flammable R20 - Harmful by inhalation R39/23/24/25 - R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. |
| Safety Description | S16 - Keep away from sources of ignition. S29 - Do not empty into drains. S33 - Take precautionary measures against static discharges. S7 - Keep container tightly closed. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37 - Wear suitable protective clothing and gloves. S7/9 - |
| UN IDs | UN 1993 3/PG 2 |
| WGK Germany | 3 |
| RTECS | CZ5658000 |
| HS Code | 29036990 |
| Hazard Note | Highly Flammable |
| Hazard Class | 3 |
| Packing Group | II |
1.4-Difluorobe - Upstream Downstream Industry
| Raw Materials | Fluoroboric acid |
| Downstream Products | 2,5-Difluoroaniline |
1.4-Difluorobe - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| uses | intermediates in medicine, pesticides and liquid crystal materials. Used as a pharmaceutical intermediate |
| category | flammable liquid |
| toxicity classification | low toxicity |
| acute toxicity | inhalation-mouse LC50: 55g/m3/2 h |
| flammability hazard characteristics | flammability; thermal decomposition of toxic fluoride gas |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; separate from oxidant storage and transportation |
| fire extinguishing agent | dry powder, carbon dioxide |
Last Update：2024-04-09 20:52:54
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Raw Materials for 1.4-Difluorobe
Downstream Products for 1.4-Difluorobe