1,4-Diiodobutane
Synonym(s):Tetramethylene diiodide
- CAS NO.:628-21-7
- Empirical Formula: C4H8I2
- Molecular Weight: 309.92
- MDL number: MFCD00001099
- EINECS: 211-032-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 00:27:28
What is 1,4-Diiodobutane?
Chemical properties
clear brownish liquid
The Uses of 1,4-Diiodobutane
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.
Properties of 1,4-Diiodobutane
| Melting point: | 6 °C (lit.) |
| Boiling point: | 147-152 °C/26 mmHg (lit.) |
| Density | 2.35 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 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 |
| 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) |
Safety information for 1,4-Diiodobutane
| Signal word | Warning |
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P321:Specific treatment (see … on this label). P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for 1,4-Diiodobutane
| InChIKey | ROUYUBHVBIKMQO-UHFFFAOYSA-N |
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