2,5-Dimethylthiophene Basic information |
Product Name: | 2,5-Dimethylthiophene |
Synonyms: | 2,5-DIMETHYLTHIOPHENE;2,5-DIMETHYLTHIOPHENE, 98.5%;2 5-DIMETHYLTHIOPHENE 98+%;2,5-DIMETHYTHIOPHENE;2,5-Dimethylthiophene, 98.50%;2,5-Thioxene;2,5-DiMethylthiophene, 98.5% 25ML;2,5-Dimethylthiophene USP/EP/BP |
CAS: | 638-02-8 |
MF: | C6H8S |
MW: | 112.19 |
EINECS: | 211-313-9 |
Product Categories: | Flavors and Fragrances;Thiophene&Benzothiophene;Heterocyclic Compounds;Thiophens;Heterocyclic Building Blocks;Thiophenes;Alphabetical Listings;C-D;thiophene Flavor;Building Blocks |
Mol File: | 638-02-8.mol |
2,5-Dimethylthiophene Chemical Properties |
Melting point | -63°C |
Boiling point | 134 °C/740 mmHg (lit.) |
density | 0.985 g/mL at 25 °C (lit.) |
refractive index | n20/D 1.512(lit.) |
Fp | 75 °F |
storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
form | Liquid |
Specific Gravity | 0.985 |
color | Clear colorless to slightly yellow |
Odor | at 0.10 % in propylene glycol. nutty sulfury |
Odor Type | sulfurous |
Water Solubility | Insoluble in water. Soluble in alcohol, ether and benzene. |
BRN | 106450 |
InChIKey | GWQOOADXMVQEFT-UHFFFAOYSA-N |
LogP | 2.523 (est) |
CAS DataBase Reference | 638-02-8(CAS DataBase Reference) |
NIST Chemistry Reference | Thiophene, 2,5-dimethyl-(638-02-8) |
EPA Substance Registry System | 2,5-Dimethylthiophene (638-02-8) |
Safety Information |
Hazard Codes | Xn,F,Xi |
Risk Statements | 10-37-20/22 |
Safety Statements | 23-24/25-16-36-33-29-7/9-3/7/9 |
RIDADR | UN 1993 3/PG 3 |
WGK Germany | 3 |
HazardClass | 3 |
PackingGroup | II |
HS Code | 29349990 |
Provider | Language |
---|---|
2,5-Dimethylthiophene | English |
SigmaAldrich | English |
ACROS | English |
ALFA | English |
2,5-Dimethylthiophene Usage And Synthesis |
Chemical Properties | clear colorless to slightly yellow liquid |
Uses | 2,5-Dimethylthiophene is used as an intermediate in organic synthesis. |
Definition | ChEBI: 2,5-Dimethylthiophene is a member of thiophenes. |
Synthesis Reference(s) | The Journal of Organic Chemistry, 20, p. 1363, 1955 DOI: 10.1021/jo01127a012 |
General Description | 2,5-Dimethylthiophene is a volatile flavoring compound that has been identified in the essential oil of onion. It is reported to be one of the sulfur-containing compounds formed via Maillard reaction/Strecker degradation of cysteine with furaneol. |
2,5-Dimethylthiophene Preparation Products And Raw materials |