1,4-Dioxane
SIGALD/676934 - ACS reagent, ≥99.0%
Synonym: Diethylene oxide; Dioxane
CAS Number: 123-91-1
Empirical Formula (Hill Notation): C4H8O2
Molecular Weight: 88.11
EC Number: 204-661-8
MDL Number: MFCD00006571
Linear Formula: C4H8O2
Product Type: Chemical
| assay | ≥99.0% |
| autoignition temp. | 356 °F |
| bp | 100-102 °C (lit.) |
| color | APHA: ≤20 |
| density | 1.034 g/mL at 25 °C (lit.) |
| evapn. residue | ≤0.005% |
| expl. lim. | 22 % |
| form | liquid |
| grade | ACS reagent |
| impurities | ≤0.0016 meq/g Titr. acid |
| ≤0.005% Peroxide as (H2O2) | |
| ≤0.01% Carbonyl (as HCHO) | |
| ≤0.05% water | |
| InChI | 1S/C4H8O2/c1-2-6-4-3-5-1/ |
| InChI key | RYHBNJHYFVUHQT-UHFFFAOYSA |
| mp | 10-12 °C (lit.) |
| pH | 6.0-8 (20 °C, 500 g/L) |
| Quality Level | 200  |
| refractive index | n |
| SMILES string | C1COCCO1 |
| technique(s) | thin layer chromatography (TLC): suitable |
| transition temp | freezing point ≥11.0 |
| vapor density | 3 (vs air) |
| vapor pressure | 27 mmHg ( 20 °C) |
| 40 mmHg ( 25 °C) |
| Application: | 1,4-Dioxane may be employed as solvent in the synthesis of N-(4-(prop-2-ynyloxy)pheny |
| General description: | 1,4-Dioxane is widely used as a solvent for various organic compounds in industry. It is a non-biodegradable contaminant found in industrial effluents. Its oxidative degradation by using oxygen and ozone has been useful in converting it into biodegradable products, which can be easily removed by conventional methods. |
| Packaging: | 1, 4 L in aluminum bottle |
| Symbol |    GHS02,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H225 - H319 - H335 - H351 |
| Precautionary statements | P202 - P210 - P233 - P240 - P305 + P351 + P338 - P308 + P313 |
| Hazard Codes | F,Xn |
| Risk Statements | 11-19-36/37-40-66 |
| Safety Statements | 9-16-36/37-46 |
| RIDADR | UN1165 - class 3 - PG 2 - Dioxane |
| WGK Germany | WGK 2 |
| Flash Point(F) | 51.8 °F - closed cup |
| Flash Point(C) | 11 °C - closed cup |
| Supplemental Hazard Statements | EUH019 - EUH066 |
| Purity | ≥99.0% |
| bp | 100-102 °C (lit.) |
| mp | 10-12 °C (lit.) |
| Density | 1.034 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352005 |