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alpha-Iodothiophene

2-Iodothiophene

CAS: 3437-95-4

Molecular Formula: C4H3IS

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alpha-Iodothiophene - Names and Identifiers

Name 2-Iodothiophene
Synonyms 2-IODTHIOPHENE
2-Iodothophene
2-Iodothyophene
2-Iodothiophene
2-iodo-thiophen
2-THIENYL IODIDE
alpha-Iodothiophene
CAS 3437-95-4
EINECS 222-342-1
InChI InChI=1/C4H3IS/c5-4-2-1-3-6-4/h1-3H
InChIKey ROIMNSWDOJCBFR-UHFFFAOYSA-N

alpha-Iodothiophene - Physico-chemical Properties

Molecular FormulaC4H3IS
Molar Mass210.04
Density1.902 g/mL at 25 °C (lit.)
Melting Point-40 °C (lit.)
Boling Point73 °C/15 mmHg (lit.)
Flash Point160°F
Vapor Presure1.14mmHg at 25°C
AppearanceLiquid
Specific Gravity1.902
ColorClear yellow-green to red-brown
BRN104666
Storage Condition2-8°C
SensitiveLight Sensitive
Refractive Indexn20/D 1.651(lit.)
Physical and Chemical PropertiesColorless liquid. Melting Point -40 °c, boiling point 80-81 °c (2.67kPa).

alpha-Iodothiophene - Risk and Safety

Risk CodesR22 - Harmful if swallowed
R37/38 - Irritating to respiratory system and skin.
R41 - Risk of serious damage to eyes
R43 - May cause sensitization by skin contact
R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38 - Irritating to eyes, respiratory system and skin.
Safety DescriptionS26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
S36/37 - Wear suitable protective clothing and gloves.
S27 - Take off immediately all contaminated clothing.
WGK Germany3
FLUKA BRAND F CODES3
TSCAT
HS Code29349990
Hazard ClassIRRITANT

alpha-Iodothiophene - Reference Information

NIST chemical information Information provided by: webbook.nist.gov (external link)
EPA chemical information Information provided by: ofmpub.epa.gov (external link)
use for organic synthesis.
production method 35g(0.42mol) of thiophene and 50 ml of benzene are mixed, and 75g(0.35mol) of yellow mercury oxide and 109g(0.43mol) of iodine are alternately added in different times under stirring and cooling. Filter and wash the filter residue with ether. The washing filtrate was combined, washed with dilute sodium thiosulfate solution to remove excess iodine, dried by anhydrous calcium chloride and evaporated to remove ether and benzene, distilled under reduced pressure, and the 73 ℃(2.0kPa) fraction was collected to obtain 63-66g2-iodothiophene. Yield 72-75%.
Last Update:2024-04-09 20:49:11
alpha-Iodothiophene
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View History
alpha-Iodothiophene
Ethyl 1-oxo-2-cyclohexanecarboxylate
2-CHLORO-3-FLUOROPYRIDINE-4-CARBOXYLIC ACID
134559-81-2
Phenol, 2-Amino-6-Chloro-4-Nitro-
6,7-Dimethoxy-1-veratrylisoquinoline hydrochloride
2-Butenoic acid, 3-methyl-4-(1-hydroxycyclododecyl)-, (Z)- (9CI)
1H-Pyrazole-5-carboxylic acid, 3-bromo-1-(3,6-dichloro-2-pyridinyl)-
Tin(IV) bromide
HYDROXYETHYL PROPYL ETHER
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