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Iodomethane CAS:74-88-4

Name: Iodomethane CAS:74-88-4
Brand: Orient
SKU: pr2511261339
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CAS No.:

74-88-4

Grade:

Industrail Grade

Content:

99%

Port:

SHANGHAI

Brand:

Orient

Packaging:

25L, 200L, 1000L, customized

Price valid (until):

2025-12-26

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Trader

Location:

China

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pharmaceutical intermediates,peptides,electronic chemicals

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Description

Iodomethane Basic information

Overview Physicochemical properties Synthesis Application Regulation Warning and toxicity References

Product Name:	Iodomethane
Synonyms:	IODOMETHANESYNONYMS/METHYLIODIDE;METHYLIODIDE,REAGENT;10domethane;CH3I;Halon 10001;Iodomethane,99.5%;Iodomethane, 2M solution in tert-butyl methyl ether;Iodomethane, stabilized, 99%
CAS:	74-88-4
MF:	CH3I
MW:	141.94
EINECS:	200-819-5
Product Categories:	IOD - Iodomethane;Alkyl;Analytical Enzymes;and Substrates;Biochemicals and Reagents;Building Blocks;Chemical Synthesis;Enzymes;-Glucuronidase;-Glucuronidase Drug Analysis Bundle;Halogenated Hydrocarbons;Organics;Piperazine derivates;Pharma;Agro-Products, Miscellaneous Reagents;Inhibitors;Organic Building Blocks;Solvent
Mol File:	74-88-4.mol

Iodomethane Chemical Properties

Melting point	−64(lit.)
Boiling point	41-43 °C
density	2.28 g/mL at 25 °C(lit.)
vapor density	4.89 (vs air)
vapor pressure	24.09 psi ( 55 °C)
refractive index	n20/D 1.530
Fp	−18 °F
storage temp.	2-8°C
solubility	water: soluble14g/L at 20°C
form	Liquid
color	Clear
Specific Gravity	2.280
Odor	Sweet, ethereal odor
PH	5.2 (H2O, 25℃)
explosive limit	8.5-66% (v/v)
Water Solubility	14 g/L (20 ºC)
Sensitive	Light Sensitive
Merck	14,6087
BRN	969135
Henry's Law Constant	5.06 at 21 °C (Gan and Yates, 1996)
Dielectric constant	7.0（20℃）
Exposure limits	TLV-TWA 2 ppm (～11 mg/m³) (ACGIH), 5 ppm (MSHA and OSHA); carcinogenicity: Animal Limited Evidence (IARC), Suspected Human Carcinogen.
Stability:	Light Sensitive
LogP	1.510
CAS DataBase Reference	74-88-4(CAS DataBase Reference)
IARC	3 (Vol. 41, Sup 7, 71) 1999
NIST Chemistry Reference	Methyl iodide(74-88-4)
EPA Substance Registry System	Methyl iodide (74-88-4)

Safety Information

Hazard Codes	T,F,Xn
Risk Statements	21-23/25-37/38-40-11-39/23/24/25-23/24/25-38-20/22
Safety Statements	36/37-38-45-9-24-16-7-60-36/37/39-33-23-20-4
OEB	B
OEL	TWA: 2 ppm (10 mg/m3) [skin]
RIDADR	UN 2644 6.1/PG 1
WGK Germany	1
RTECS	PA9450000
F	8
TSCA	Yes
HazardClass	6.1
PackingGroup	I
HS Code	29033990
Hazardous Substances Data	74-88-4(Hazardous Substances Data)
Toxicity	LD50 orally in rats: 76 mg/kg; LD50 s.c. in mice: 0.78 mmoles/kg (IARC, 1986)
IDLA	100 ppm

Iodomethane Usage And Synthesis

Overview	Iodomethane is also commonly called methyl iodide. It is a volatile liquid related to methane by replacement of hydrogen. Iodomethane is miscible with common organic solvents. It is colourless, although upon exposure to light, samples develop a purplish tinge. Iodomethane (methyl iodide) is widely used in organic synthesis to deliver a methyl group, via the transformation called methylation.[1] Iodomethane(also known as methyl iodide), is a kind of alkyl halide. It is naturally emitted by rice plantations in small amounts. Algae are a great natural producer of it with annual output of being greater than 214,000 tons. Therefore, it exists in ocean in large amount. Terrestrial fungi and bacteria also produce certain amount of iodomethane^{[2, 3]}. 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 in vegetables such as. It was registered for use as a pre-plant soil treatment for field grown strawberries, peppers, nut crops, 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^[4].
Physicochemical properties	Iodomethane, an alkyl halide, is a colorless to pale yellow liquid with an acrid odor. It is stable at room temperature in sealed containers, non-corrosive to metals, and incompatible with strong oxidizing and reducing agents. On exposure to light and moisture, the color turns yellow, red or brown due to decomposition and the liberation of free iodine. When heated to decomposition in air at 270 degree, toxic iodine vapors are emitted. Iodomethane is soluble in water, and is miscible with alcohol and ether^[5-7].
Synthesis	Iodomethane can be synthesized by the following several methods^[8]: I. The reaction between methanol with phosphorus triiodide II. The reaction of dimethyl sulfate with potassium iodide in the presence of calcium carbonate III. The reaction of methanol with aqueous hydrogen iodide. IV. The reaction of iodoform with potassium hydroxide and dimethyl sulfate in the presence of ethanol.
Application	Iodomethane is a useful methylating agent that mediates the alkylation of carbon, oxygen, sulfur, nitrogen and phosphorus nucleophiles^{[9, 10]}. For example, phenol reacts with methyl iodide to give anisole. In the Monsanto process, the in situ formed iodomethane reacts with carbon monoxide in the presence of a rhodium complex to give acetyl iodide, which on hydrolysis yields acetic acid^[11]. It reacts with magnesium to form the Grignard reagent, methyl-magnesium iodide used in organic synthesis^[12]. It also finds applications as an intermediate in the manufacture of pharmaceuticals and in phase-transfer catalysts. Methyl iodide can also be used as a kind of pesticide used to control insects, plant parasitic nematodes, soil borne pathogens, and weed seeds in vegetables. It can be used in the field growing strawberries, peppers, nut crops, tomatoes, grape vines, ornamentals and turf and nursery growing strawberries, stone fruits, tree nuts, and conifer trees. Its fumigant action is thought to be via the nucleophilic displacement(SN2) reaction in various amino acids and peptides within target organisms. It can also be used as a fire extinguisher^{[4, 5, 13, 14]}.
Regulation	Methyl bromide is scheduled for elimination as a soil fumigant and iodomethane has been proposed as an alternative^[15-18]. Based on the atmospheric lifetime, global warming potential, and ozone depletion potential, the U.S. Environmental Protection Agency(USEPA) has identified iodomethane as a reduced risk alternative to methyl bromide. In October, 2007, the USEPA issued a one year time-limited registration of iodomethane. In April 2009, USEPA extended conditional registration of iodomethate without specifying any time limits. The USEPA website provides details of the registration^[19]. An application for California registration is currently being evaluated by DPR. Due to its acute toxicity, proposed products containing iodomethane are labeled as restricted use pesticides.
Warning and toxicity	Iodomethane may have certain toxicity when exposure to human and animals^[20-22]. In humans, acute[short-term] exposure when inhaling iodomethane may depress the central nervous system(CNS), irritate the lungs and skin, and affect the kidneys^[20]. Massive acute inhalation exposure to methyl iodide has led to pulmonary edema. Acute inhalation exposure of humans to methyl iodide has resulted in nausea, vomiting, vertigo, ataxia, slurred speech, drowsiness, skin blistering, and eye irritation^{[20, 21]}. Chronic(long-term) exposure of humans to methyl iodide by inhalation may affect the CNS and cause skin burns in animals and humans. EPA has not classified methyl iodide for potential carcinogenicity^[20-22].

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Q2: What is the lead time?

A: For stock goods, it usually take about 5-7 days by air, 15-30 days by sea,For customized products, the delivery time needs to be confirmed based on the actual situation.

Q3: How can I buy? What is the payment method?

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Q4:What if there are quality issues？

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Certificates

Basic Info

Product Name:

Methyl iodide

Other Name:

Methane,iodo-;Iodomethane;Methyl iodide;Methyl iodide (CH3I);Monoiodomethane;NSC 9366;Ioguard;147937-07-3;1173018-72-8;1519044-66-6

CAS No.:

74-88-4

Molecular Formula:

CH3I

InChIKeys:

InChIKey=INQOMBQAUSQDDS-UHFFFAOYSA-N

Molecular Weight:

141.94

Exact Mass:

141.94

BRN:

969135

EC Number:

200-819-5

HScode:

2903399030

Categories:

Bulk Drug Intermediates

Characteristics

PSA:

XLogP3:

1.51

Appearance:

Clear Liquid

Density:

2.28 g/cm³ @ Temp: 20 °C

Melting Point:

-66.5 °C

Boiling Point:

42.5 °C

Flash Point:

−18 °F

Refractive Index:

1.528

Water Solubility:

H2O: 14 g/L (20 ºC)

Storage Conditions:

Store at 0°C

Vapor Pressure:

24.09 psi ( 55 °C)

Vapor Density:

4.89 (vs air)

Toxicity:

Inhalation-rat LC50: 1300 mg/m3/4 hours; peritoneal-mouse LD50: 172 mg/kg

Flammability characteristics:

High thermal decomposition of toxic iodide gas

Explosive limit:

vol% in air: 8.5 66%

Odor:

Pungent, ether-like odor.

See More Methyl iodide Properties 

Hazard Identification

Classification of the substance or mixture

Acute toxicity - Category 3, Oral

Acute toxicity - Category 4, Dermal

Skin irritation, Category 2

Acute toxicity - Category 3, Inhalation

Specific target organ toxicity â single exposure, Category 3

Carcinogenicity, Category 2

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H301 Toxic if swallowed H312 Harmful in contact with skin H315 Causes skin irritation H331 Toxic if inhaled H335 May cause respiratory irritation H351 Suspected of causing cancer
Prevention	P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area. P203 Obtain, read and follow all safety instructions before use.
Response	P301+P316 IF SWALLOWED: Get emergency medical help immediately. P321 Specific treatment (see ... on this label). P330 Rinse mouth. P302+P352 IF ON SKIN: Wash with plenty of water/... P317 Get medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P332+P317 If skin irritation occurs: Get medical help. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P316 Get emergency medical help immediately. P319 Get medical help if you feel unwell. P318 IF exposed or concerned, get medical advice.
Storage	P405 Store locked up. P403+P233 Store in a well-ventilated place. Keep container tightly closed.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Provision to contain effluent from fire extinguishing. Separated from strong oxidants and food and feedstuffs. Well closed. Ventilation along the floor. Store in an area without drain or sewer access.Keep containers closed and store in a dark place.

See More Methyl iodide Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
pharmaceutical intermediates,peptides,electronic chemicals

Location:
Room 102, 1st Floor, East Office Building, No. 45 Pengwan Road, Qianwan Bonded Port Area, Qingdao Zone, China (Shandong) Pilot Free Trade Zone

Payment Terms:
100% TT in advance

Average lead Time:
10

Total Annual Revenue:
$10 million-$25 million

Total Employees:
51-100

Year of Establishment:
2024

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Website: orientchem.cc
Email: scarlett@orientchem.cc
WhatsApp: +86 17753254221

Inquiry History

7 Inquiries

Country	Product	Purchase Quantity	Date Posted
Bahrain	Methyl iodide	9.00 MT	Oct 31, 2025
India	Methyl Iodide	325 MT	Feb 9, 2026
Russia	Iodomethane	70 KG	Jul 12, 2024
India	Methyl Iodide	500 KG	Dec 19, 2023
Bahrain	Methyl iodide	9.00 MT	Dec 8, 2025
Turkey	Iodomethane	25 KG	Apr 4, 2025
Russia	Methyl iodide	10 KG	Jun 23, 2023

Post an enquiry for this product

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Iodomethane CAS:74-88-4

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