|  | |  |  | 1,4-Diiodobutane Basic information | 
 | Product Name: | 1,4-Diiodobutane |  | Synonyms: | 1,4-DIIODOBUTANE;TETRAMETHYLENE IODIDE;TETRAMETHYLENE DIIODIDE;1,4-Diiodobutane,98%,stabilized;1,4-Diiodobutane, stabilized ,98%;1,4-Diiodobutane ;1,4-Diiodobutane, Reagent;1,4-Diiodobutane >=99%, contains copper as stabilizer |  | CAS: | 628-21-7 |  | MF: | C4H8I2 |  | MW: | 309.92 |  | EINECS: | 211-032-1 |  | Product Categories: | Iodine Compounds |  | Mol File: | 628-21-7.mol |  |  | 
|  |  | 1,4-Diiodobutane Chemical Properties | 
 | Melting point | 6 °C (lit.) |  | Boiling point | 147-152 °C/26 mmHg (lit.) |  | density | 2.35 g/mL at 25 °C (lit.) |  | refractive index | n20/D 1.621(lit.) |  | Fp | 108-110°C/10mm |  | storage temp. | Keep in dark place,Inert atmosphere,Room temperature |  | form | Oil |  | Specific Gravity | 2.35 |  | Water Solubility | insoluble |  | Sensitive | Light Sensitive |  | BRN | 1098276 |  | InChIKey | ROUYUBHVBIKMQO-UHFFFAOYSA-N |  | CAS DataBase Reference | 628-21-7(CAS DataBase Reference) |  | NIST Chemistry Reference | Butane, 1,4-diiodo-(628-21-7) |  | EPA Substance Registry System | Butane, 1,4-diiodo- (628-21-7) | 
| Hazard Codes | Xi |  | Risk Statements | 36/37/38 |  | Safety Statements | 26-37/39 |  | RIDADR | 2810 |  | WGK Germany | 3 |  | RTECS | EJ9200000 |  | F | 8-10 |  | TSCA | Yes |  | HazardClass | 6.1(b) |  | PackingGroup | III |  | HS Code | 29033080 | 
|  |  | 1,4-Diiodobutane Usage And Synthesis | 
 | Chemical Properties | clear brownish liquid |  | Uses | 1,4-Diiodobutane is used as an additive to enhance perovskite solar cell performance. It is used as a crosslinking agent for the synthesis of anion exchange membranes from cellulose. | 
|  |  | 1,4-Diiodobutane Preparation Products And Raw materials | 
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