![5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine structure, CAS 174508-31-7](/structures/80000/70412_2_174508_31_7.png)
CAS Number174508-31-7
Synonyms5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxin; 5,7-Dibromo-2,3-dihydrothieno[3,4-b]-1,4-dioxine; 5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine; 2,5-Dibromo-3,4-ethylenedioxythiophene
Molecular FormulaC6H4Br2O2S
Molecular Weight198.2
Density2.1±0.1 g/cm3
Boiling Point306.5±42.0 °C at 760 mmHg
Melting Point98ºC
AppearanceSolid;White to Gray to Brown powder to crystal
Symbol
Signal WordWarning
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 174508-31-7 |
| Catalog No. | 2A-9070412 |
| Chinese Name | 2,5-二溴-3,4-乙烯基二氧噻吩 |
| Synonyms | 5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxin; 5,7-Dibromo-2,3-dihydrothieno[3,4-b]-1,4-dioxine; 5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine; 2,5-Dibromo-3,4-ethylenedioxythiophene |
| Molecular Formula | C6H4Br2O2S |
| Molecular Weight | 198.2 |
| Density | 2.1±0.1 g/cm3 |
| Boiling Point | 306.5±42.0 °C at 760 mmHg |
| Melting Point | 98ºC |
| Appearance | Solid;White to Gray to Brown powder to crystal |
| Storage Condition | ?20°C |
| HTC | 2934999090 |
| PubChem ID | 5527312 |
| SMILES | Brc1sc(Br)c2c1OCCO2 |
| InChI | InChI=1S/C6H4Br2O2S/c7-5-3-4(6(8)11-5)10-2-1-9-3/h1-2H2 |
| InChI Key | FHMRWRBNAIDRAP-UHFFFAOYSA-N |
| Hazard Symbols | transportation |
| Tax Rebate | 13.0% |
| Supervision | None. MFN tariff: 6.5%. Ordinary tariff: 20.0% |
| Transport Info | Product name: Purity: 98.0% |
| MSDS Transport Info | Module 14. Shipping information 14.1 UN dangerous goods number European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.2 Names specified by the United Nations (UN) European Land Transport Dangerous Regulations: Non-dangerous goods IMDG Code: Non-dangerous goods International air transport dangerous goods regulations: non-dangerous goods 14.3 Transport hazard categories European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.4 Package group European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.5 Environmental hazards European Land Transport Dangerous Regulations: No International Maritime Transport Dangerous Regulations Maritime Pollutants: No International Air Transport Risk Regulations: No 14.6 Special reminder to users No data available |
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