2-Ethylthiophene

CAS No.：872-55-9

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This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
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2-Ethylthiophene Basic information

Product Name:	2-Ethylthiophene
Synonyms:	2-ETHYLTHIOPHENE;Thiophene, 2-ethyl-;2-Ethylthiophene99%;2-Ethylthiophene, GC 99%;2-Ethylthiophene ,98%;Ethylthiophene;2-Ethylthiophene 97%;2-Ethylthiophene&gt
CAS:	872-55-9
MF:	C6H8S
MW:	112.19
EINECS:	212-830-2
Product Categories:	Heterocycle-oher series;Thiophene&Benzothiophene;Building Blocks;Heterocyclic Building Blocks;Thiophenes
Mol File:	872-55-9.mol

2-Ethylthiophene Chemical Properties

Melting point	-66.9°C (estimate)
Boiling point	132-134 °C (lit.)
density	0.99 g/mL at 25 °C (lit.)
vapor pressure	60.9 at 60.3 °C, 92.2 at 70.3 °C, 136 at 80.3 °C, 197 at 90.3 °C, 280 at 100.3 °C (Eon et al., 1971)
refractive index	n20/D 1.513(lit.)
Fp	70 °F
storage temp.	Keep in dark place,Sealed in dry,Room Temperature
solubility	0.29g/l
form	liquid (estimate)
Specific Gravity	0.990
color	yellow-green
Water Solubility	Not miscible or difficult to mix with water.
BRN	105402
CAS DataBase Reference	872-55-9(CAS DataBase Reference)
NIST Chemistry Reference	Thiophene, 2-ethyl-(872-55-9)

Safety Information

Hazard Codes	Xi,F
Risk Statements	10-36/37/38-37-11
Safety Statements	23-24/25-37/39-26-16-33-29-7/9
RIDADR	UN 1993 3/PG 2
WGK Germany	3
F	8-10-13-23
Hazard Note	Irritant
HazardClass	3
PackingGroup	II
HS Code	29349990

MSDS Information

Provider	Language
2-Ethylthiophene	English
SigmaAldrich	English
ACROS	English
ALFA	English

2-Ethylthiophene Usage And Synthesis

Chemical Properties	Clear colorless to pink liquid
Uses	Ingredient in crude petroleum.
Uses	2-Ethylthiophene?is used in production of bispyranilidenes, dithiobispyranilidenes and diselenobispyranilidene for electronic or optoelectronic components with high efficiencies.
Uses	2-Ethylthiophene may be used as an analytical reference standard for the determination of the analyte in wastewater samples, diesel particulate matter and diesel fuel and industrial cooked ham by various chromatography techniques.
General Description	2-Ethylthiophene is an organosulfur compound belonging to the class of alkylated thiophenes.

2-Ethylthiophene Preparation Products And Raw materials

Preparation Products

5-Ethyl-2-thiophenecarboxaldehyde-->2-Ethyl-5-methylthiophene-->4-BROMO-5-ETHYL-THIOPHENE-2-CARBALDEHYDE-->Thiophenethiol-->Thiophene(SIV) (9CI)-->5-ETHYL-THIOPHENE-2-CARBOXYLIC ACID-->2-Acetyl-5-bromothiophene-->ETHYL THIOPHENE-2-GLYOXYLATE-->2-Methylthiophene

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