A3222112
1,4-Difluorobenzene , 98% , 540-36-3
CAS NO.：540-36-3
Empirical Formula: C6H4F2
Molecular Weight: 114.09
MDL number: MFCD00000344
EINECS: 208-742-9
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -13 °C (lit.) |
| Boiling point: | 88-89 °C (lit.) |
| Density | 1.11 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 36 °F |
| storage temp. | room temp |
| solubility | 1.2g/l |
| form | Liquid |
| color | Clear colorless to slightly yellow |
| Specific Gravity | 1.110 |
| Specific Heat Capacity | Cp(liquid): 157.5 J/(g·K), at 25℃ |
| Merck | 14,3148 |
| BRN | 1904541 |
| Henry's Law Constant | 1.6×10-3 mol/(m3Pa) at 25℃, Hiatt (2013) |
| Dielectric constant | 2.2599999999999998 |
| Major Application | environmental |
| InChI | 1S/C6H4F2/c7-5-1-2-6(8)4-3-5/h1-4H |
| InChIKey | QUGUFLJIAFISSW-UHFFFAOYSA-N |
| SMILES | Fc1ccc(F)cc1 |
| CAS DataBase Reference | 540-36-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzene, 1,4-difluoro-(540-36-3) |
| EPA Substance Registry System | 1,4-Difluorobenzene (540-36-3) |
Description and Uses
1,4-Difluorobenzene is used in method for production of prepolymers containing Polyoxymethylene block.
Safety
| Symbol(GHS) |  GHS02 |
| Signal word | Danger |
| Hazard statements | H333-H225 |
| Precautionary statements | P501-P240-P210-P233-P243-P241-P242-P280-P370+P378-P304+P312-P303+P361+P353-P403+P235 |
| PPE | Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter |
| Hazard Codes | F,Xn,T |
| Risk Statements | 11-20-39/23/24/25-23/24/25 |
| Safety Statements | 16-29-33-7-45-36/37-7/9 |
| RIDADR | UN 1993 3/PG 2 |
| WGK Germany | 3 |
| RTECS | CZ5658000 |
| Hazard Note | Highly Flammable |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29036990 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Flam. Liq. 2 |
| Limited Quantities | 1.0 L (0.3 gallon) (liquid) |
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml) |
