Iodobenzene

ChemicalBook > CAS DataBase List > Iodobenzene

Introduction Chemical Properties Usage Preparation

Product Name: Iodobenzene
CAS No.: 591-50-4
Chemical Name: Iodobenzene
Synonyms: iodo-benzen;Phenyl iodide;iodinebenzol;1-Iodobenzene;benzeneiodide;Benzene,iodo-;4-Iodobenzene;mono iodobenzene;IODOBENZENE, STAB.;Iodbenzol
CBNumber: CB0700740
Molecular Formula: C6H5I
Formula Weight: 204.01
MOL File: 591-50-4.mol

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Iodobenzene Property

Melting point:: -29 °C (lit.)
Boiling point:: 188 °C (lit.)
Density: 1.823 g/mL at 25 °C (lit.)
refractive index: n20/D 1.62(lit.)
Flash point:: 74 °C
storage temp.: Store below +30°C.
solubility: 0.34g/l (experimental)
form: Liquid
Specific Gravity: 1.823
color: Clear yellow
Water Solubility: insoluble
Sensitive: Light Sensitive
Merck: 14,5029
BRN: 1446140
Dielectric constant: 4.6（20℃）
InChIKey: SNHMUERNLJLMHN-UHFFFAOYSA-N
CAS DataBase Reference: 591-50-4(CAS DataBase Reference)
NIST Chemistry Reference: Benzene, iodo-(591-50-4)
EPA Substance Registry System: Benzene, iodo- (591-50-4)

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Safety

Hazard Codes: Xn,Xi
Risk Statements: 22-36-20/22
Safety Statements: 26-36-23
RIDADR: NA 1993 / PGIII
WGK Germany: 3
RTECS: DA3390000
F: 8
Hazard Note: Irritant
TSCA: Yes
HS Code: 29036990
Hazardous Substances Data: 591-50-4(Hazardous Substances Data)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: I7632
Product name: Iodobenzene
Purity: 98%
Packaging: 5G
Price: $36.7
Updated: 2024/03/01

Sigma-Aldrich

Product number: I7632
Product name: Iodobenzene
Purity: 98%
Packaging: 100g
Price: $79.8
Updated: 2024/03/01

Sigma-Aldrich

Product number: I7632
Product name: Iodobenzene
Purity: 98%
Packaging: 500g
Price: $254
Updated: 2024/03/01

TCI Chemical

Product number: I0050
Product name: Iodobenzene
Packaging: 25G
Price: $25
Updated: 2024/03/01

TCI Chemical

Product number: I0050
Product name: Iodobenzene
Packaging: 100G
Price: $63
Updated: 2024/03/01

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Iodobenzene Chemical Properties,Usage,Production

Introduction

Iodobenzene is one Iodine substitution of benzene and its molecular formula is C6H5I. It Is a colorless liquid with special odor, insoluble in water, soluble in trichloromethane, ether and ethanol. It is Photosensitive and gradually turns yellow in case of light. Because the bond energy of C-I is lower than that of C-Cl and C-Br, its reactivity is much stronger. It can react with magnesium to generate grignard reagent Phenylmagnesium Iodide (PhMgI), which can be used as equivalent of phenyl anion in organic synthesis. Iodobenzene can be used as the raw material in Sonogashira coupling reaction, Heck reaction and Other metals catalyzed coupling reaction.

Chemical Properties

Colorless liquid, melting point-31.27℃, boiling point 188.3℃, 63-64℃（1.07kPa）, Flash point 74 ℃,density 1.8308（20/4℃）, refractive index1.6200（18.5℃）

Usage

A general reagent for organic synthesis and used as a standard liquid refractive index

Preparation

Iodobenzene is obtained through the diazotization and replacement reaction of Aniline.
Hydrochloric acid( 30%) and aniline were added to Water, stirred and cooled to 2 ℃. Then, sodium nitrite solution was added dropwise to the above solution and the temperature was controlled to be no more than 12℃. When the last part of sodium nitrite solution was added, potassium iodide starch paper was used to determine the blue reaction endpoint.
Then, diazotization liquid was obtained. Potassium iodide solution was added to the diazotization solution in several batches until no nitrogen was released. After cooling, the upper aqueous solution was separated from the above system. Sodium hydroxide solution (10%) was added until the pH value was 14. A distillation process was carried out and aqueous layer was separated from the distillate. The atmospheric fractionation process was arried out after drying and the fraction at184-188 ℃ was collected, which is iodobenzene with a yield of 77%.

Chemical Properties

CLEAR YELLOW LIQUID

Uses

suzuki reaction

Uses

Iodobenzene is used to prepare biphenyl and stilbene. It reacts with magnesium to form the Grignard reagent, a phenylmagnesium iodide used in organic synthesis. It finds application as a solid chlorine source by reacting with chlorine to form a complex, iodobenzene dichloride. It serves as a substrate in Sonogashira reaction which is used to form a carbon-carbon bond between a terminal alkyne and an aryl halide.

Synthesis Reference(s)

Tetrahedron Letters, 33, p. 3167, 1992 DOI: 10.1016/S0040-4039(00)79842-X
The Journal of Organic Chemistry, 53, p. 3548, 1988 DOI: 10.1021/jo00250a024

Purification Methods

Wash it with dilute aqueous Na2S2O3, then water. Dry it with CaCl2 or CaSO4, decolourise with charcoal and distil it under reduced pressure then store it with mercury or silver powder to stabilise it. [Beilstein 5 IV 688.]

Iodobenzene Preparation Products And Raw materials

Raw materials

Aniline hydrochloride Potassium iodide statch paper

Preparation Products

(4-IODOPHENYL)ACETONE 4-Acetyl-2-fluorobiphenyl (Diacetoxyiodo)benzene 5-PHENYL-2-THIOPHENECARBALDEHYDE 1-(2-amino[1,1'-biphenyl]-4-yl)ethan-1-one 1-(2-NITRO-BIPHENYL-4-YL)-ETHANONE N,N-DIPHENYLQUINACRIDONE Diphenylacetylene 5-Phenylthiophene-2-carboxylic acid 3-Phenyl-1H-pyrazole 2-PHENYLMALONAMIDE [Bis(trifluoroacetoxy)iodo]benzene

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View Lastest Price from Iodobenzene manufacturers

Henan Fengda Chemical Co., Ltd

Product: Iodobenzene 591-50-4
Price: US $100.00-1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: g-kg-tons, free sample is available
Release date: 2023-12-24

Hebei Mojin Biotechnology Co., Ltd

Product: Iodobenzene 591-50-4
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 50000KG/month
Release date: 2023-09-06

Hebei Guanlang Biotechnology Co,.LTD

Product: Iodobenzene 591-50-4
Price: US $5.60/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 5000kg
Release date: 2021-07-13

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591-50-4

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591504

IC6H5

C6H5l

HALOGEN

Building Blocks

Aryl

Halogenated Hydrocarbons

Organic Building Blocks

alkyl Iodine

Aryl

Halogenated Hydrocarbons

API intermediates

Iodine Compounds

Pharmaceutical Intermediate

Pharmaceutical Intermediates

Aromatic Halides (substituted)

Organics

bc0001

591-50-4