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iodomethane

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Origem: China

Cas No: 74-88-4

Especificação: 99%Min

Quantidade de ordem min: 1 /kg

Capacidade de fornecimento: 50 mt/month

Tempo de espera: 7 dias para OEM, 3 dias para produtos prontos

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CAS No.: 74-88-4 Formula: CH3I Molecular Weight: 141.93900

Description

Methyl iodide, also called iodomethane, and commonly abbreviated "MeI", is the chemical compound with the formula CH3I. It is a dense, colorless, volatile liquid. In terms of chemical structure, it is related to methane by replacement of one hydrogen atom by an atom of iodine. It is naturally emitted by rice plantations in small amounts. It is also produced in vast quantities estimated to be greater than 214,000 tons annually by algae and kelp in the world's temperate oceans, and in lesser amounts on land by terrestrial fungi and bacteria. It is used in organic synthesis as a source of methyl groups.
Methyl iodide had been approved for use as a pesticide by the United States Environmental Protection Agency in 2007 as a pre-plant biocide used to control insects, plant parasitic nematodes, soil borne pathogens, and weed seeds. The compound was registered for use as a preplant soil treatment for field grown strawberries, peppers, tomatoes, grape vines, ornamentals and turf and nursery grown strawberries, stone fruits, tree nuts, and conifer trees. After the discovery phase in a consumer lawsuit, the manufacturer withdrew the fumigant citing its lack of market viability.

Basic Info

Chemical Name	iodomethane
Synonyms	methyl iodide; iodo-methan; methyl iodine; methane iodide; Methane, iodo-; Iodomethane; 10domethane; Jodmethan; Iodometano; CH3I; iodo-methane; Iodmethan;
CAS No.	74-88-4
Molecular Formula	CH3I
Molecular Weight	141.93900
PSA	0.00000
LogP	1.05120

Properties

Appearance & Physical State	Clear to pink liquid
Density	2.279
Boiling Point	41-43ºC
Melting Point	-64ºC
Flash Point	-28ºC
Refractive Index	1.531
Water Solubility	14 g/L (20 ºC)
Storage Condition	Store at 0ºC
Vapor Density	4.89 (vs air)
Vapor Pressure	24.09 psi ( 55 °C)

Safety Info

RTECS	PA9450000
Hazard Class	6.1
Safety Statements	S16-S24-S36/37-S38-S45-S9
HS Code	2903399030
Packing Group	I
WGK Germany	1
RIDADR	UN 2644
Risk Statements	R11; R21; R23/25; R37/38; R40
Hazard Codes	F
Symbol	GHS06, GHS08
Signal Word	Danger
Hazard Declaration	H301 + H331; H312; H315; H317; H334; H335; H351
Caution Statement	P261; P280; P301 + P310; P311

Synthesis Route

Methanol+carbon monoxide→ACETYL IODIDE+iodomethane
1-methyl-5-nitroquinolinium iodide→5-Nitroquinoline+iodomethane
1-Chloro-4-iodobenzene+Methyl 2,2-difluoro-2-(fluorosulfonyl)acetate→4-Chlorophenyl trifluoromethyl sulfide+iodomethane

GC Analysis

Column type	Active phase	Temperature (°C)	Retention Index (I)	Temperature Control Method
Packed	OV-1	100.	523.	isothermal
Packed	OV-1	125.	528.	isothermal
Packed	OV-1	75.	518.	isothermal
Packed	Apolane	70.	528.6	isothermal
Packed	Squalane	27.	502.	isothermal

Downstream Product

6-methyl-5,7-dihydrobenzo[d][2]benzothiepin-6-ium,iodide
methyl 2-(2,2-dideuterio-1,3-dihydroinden-1-yl)-6-methoxynaphthalene-1-carboxylate
trimethyl-[2-methyl-4-oxo-4-[2-(trimethylazaniumyl)ethoxy]butan-2-yl]azanium,diiodide
methyl 3-methyltriazole-4-carboxylate

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