Search
Titanium Dioxide Acetic Acid Citric Acid Sodium Hydroxide Oxalic Acid Ethyl Acetate
Sign in/Join free

METHYLMAGNESIUM IODIDE

CAS No.: 917-64-6
Formula: CH3IMg
Molecular Weight: 166.24
Suppliers: All(0) China Suppliers(1) Products(1)
  • Description
  • Basic Info
  • Safety Info
  • MSDS
  • Price
  • Related Product
  • Supplier Reference
What is METHYLMAGNESIUM IODIDE

Methylmagnesium iodide is a highly reactive organometallic compound commonly used as a Grignard reagent in organic synthesis. With the chemical formula CH3MgI, it is a versatile tool for forming carbon-carbon bonds, making it invaluable in the production of complex organic molecules. Methylmagnesium iodide reacts with a variety of electrophiles, such as carbonyl compounds (aldehydes, ketones, and esters), to generate alcohols, carboxylic acids, and other derivatives. It is typically prepared and handled in anhydrous ether solvents under inert atmospheres due to its sensitivity to moisture and air. Widely utilized in pharmaceuticals, agrochemicals, and fine chemical manufacturing, Methylmagnesium iodide is a cornerstone of modern synthetic chemistry.

Preparation Process: To prepare **methylmagnesium iodide**, follow these steps: 1. **Materials**: Use dry ether (diethyl ether or THF) as the solvent, magnesium turnings, and methyl iodide (iodomethane). Ensure all equipment is moisture-free. 2. **Setup**: In a flame-dried flask under inert gas (N₂/Ar), add magnesium turnings and a small amount of ether. 3. **Initiation**: Add a few drops of methyl iodide to activate the magnesium. A gentle exotherm confirms initiation. 4. **Reaction**: Slowly add the remaining methyl iodide in ether while maintaining reflux. Stir until magnesium dissolves (1–2 hours). 5. **Storage**: Keep the resulting Grignard reagent under inert gas to prevent degradation. Precautions: Exclude air/moisture to avoid side reactions.

Usage Scenarios: Methylmagnesium iodide is a Grignard reagent widely used in organic synthesis for the formation of carbon-carbon bonds. It reacts with carbonyl compounds (aldehydes, ketones, esters) to produce secondary or tertiary alcohols. It is also employed in nucleophilic addition reactions to form new alkyl or aryl groups. The reagent is useful in synthesizing complex molecules, pharmaceuticals, and fine chemicals. Additionally, it participates in the preparation of carboxylic acids, amines, and other functionalized compounds. Methylmagnesium iodide must be handled under anhydrous conditions due to its high reactivity with moisture and air. Its applications extend to polymerization and metalorganic chemistry.

METHYLMAGNESIUM IODIDE Basic Info
Chemical Name METHYLMAGNESIUM IODIDE
Synonyms CHLOROMETHYLMAGNESIUM;Methylmagnesium iodide solution;nesium iodide;iodomethylmagnesium;iodomethyl-magnesiu;Methyliodomagnesium;METHYLMAGNESIUM IODIDE;Methylmagnesium iodine;MagnesiuM, iodoMethyl-;3.0 M in diethyl ether
CAS No. 917-64-6
Molecular Formula CH3IMg
Molecular Weight 166.24
PSA 0.00000
LogP 1.46950
Safely Info
RTECS -
Hazard Class 4.2
Safety Statements 16-26-36/37/39-43-45-7/8
HS Code 29319090
WGK Germany 1
Packing Group I
RIDADR UN 3399 4.3/PG 1
Risk Statements 12-14/15-22-34-66-67-19-11
Hazard Codes F+,C,F
Caution Statement P223-P231+P232-P261-P280-P370+P378-P422-P210
Hazard Declaration H260-H314-H336-H225
Symbol GHS02,GHS05,GHS07
Signal Word Danger
METHYLMAGNESIUM IODIDE Price
United States: $50-100
China: $40-80
Russia: No results
Germany: $60-100
India: $30-50
Japan: $70-120
Brazil: No results
South Korea: $50-80
Philippines: No results
United Kingdom: $60-100
France: $70-120
Mexico: $40-70
Canada: $50-90
South Africa: $30-60
Egypt: $40-80
Turkey: $50-90
Thailand: $40-70
Indonesia: No results
MSDS
MSDS

SECTION 1: Identification of the substance/mixture and of the company/undertaking
  Product identifiers
    Product name        : Methylmagnesium iodide solution    
    REACH No.        : A registration number is not available for this substance as the substance    
    or its uses are exempted from registration, the annual tonnage does not
    require a registration or the registration is envisaged for a later
    registration deadline.
  Relevant identified uses of the substance or mixture and uses advised against
    Identified uses        : Laboratory chemicals, Manufacture of substances    
  
  

SECTION 2: Hazards identification
  Classification of the substance or mixture
  Classification according to Regulation (EC) No 1272/2008
    Flammable liquids (Category 2), H225
    Substances, which in contact with water, emit flammable gases (Category 1), H260
    Skin corrosion (Category 1B), H314
    Specific target organ toxicity - single exposure (Category 3), H336
    For the full text of the H-Statements mentioned in this Section, see Section 16.
  Classification according to EU Directives 67/548/EEC or 1999/45/EC
    F Highly flammable        R11, R15    
    C Corrosive        R34    
    Xn Harmful        R22    
    R19, R67, R14
    For the full text of the R-phrases mentioned in this Section, see Section 16.
  Label elements
  Labelling according Regulation (EC) No 1272/2008
    Pictogram
    Signal word        Danger    
    Hazard statement(s)
    H225        Highly flammable liquid and vapour.    
    H260        In contact with water releases flammable gases which may ignite    
    spontaneously.
    H314        Causes severe skin burns and eye damage.    
    H336        May cause drowsiness or dizziness.    
    Precautionary statement(s)
    P210        Keep away from heat/sparks/open flames/hot surfaces. - No smoking.    
    P223        Keep away from any possible contact with water, because of violent    
    reaction and possible flash fire.
    P231 + P232        Handle under inert gas. Protect from moisture.    
    P261        Avoid breathing vapours.    
    P370 + P378        In case of fire: Use dry sand, dry chemical or alcohol-resistant foam for    
    extinction.
    P422        Store contents under inert gas.    
    Supplemental Hazard information (EU)
    EUH014        Reacts violently with water.    
    EUH019        May form explosive peroxides.    
  According to European Directive 67/548/EEC as amended.
    Hazard symbol(s)        F Highly flammable    
    C Corrosive
    R-phrase(s)
    R11        Highly flammable.    
    R14/15        Reacts violently with water, liberating extremely flammable gases.    
    R19        May form explosive peroxides.    
    R22        Harmful if swallowed.    
    R34        Causes burns.    
    R67        Vapours may cause drowsiness and dizziness.    
    S-phrase(s)
    S16        Keep away from sources of ignition - No smoking.    
    S26        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.    
    S43        In case of fire, use sand, dry chemical or alcohol-resistant foam.    
    S45        In case of accident or if you feel unwell, seek medical advice immediately    
    (show the label where possible).
  Other hazards - none

SECTION 3: Composition/information on ingredients
  Mixtures
    Formula        : CH3IMg    
    Molecular Weight        : 166,24 g/mol    
  Hazardous ingredients according to Regulation (EC) No 1272/2008
    Component        Classification        Concentration    
  Diethyl ether
    CAS-No.        60-29-7        Flam. Liq. 1; Acute Tox. 4;        50 - 100 %    
    EC-No.        200-467-2        STOT SE 3; H224, H302,    
    Index-No.        603-022-00-4        H336, EUH019, EUH066    
  Iodomethylmagnesium
    CAS-No.        917-64-6        Water-react. 1; Skin Corr. 1B; 50 - 100 %    
    EC-No.        213-031-1        H260, H314, EUH014    
  Hazardous ingredients according to Directive 1999/45/EC
    Component        Classification        Concentration    
  Diethyl ether
    CAS-No.        60-29-7        F+, Xn, R12 - R19 - R22 - R66 50 - 100 %    
    EC-No.        200-467-2        - R67    
    Index-No.        603-022-00-4    
  Iodomethylmagnesium
    CAS-No.        917-64-6        C, F, R14/15 - R34        50 - 100 %    
    EC-No.        213-031-1    
    For the full text of the H-Statements and R-Phrases mentioned in this Section, see Section 16

SECTION 4: First aid measures
  Description of first aid measures
  General advice
    Consult a physician. Show this safety data sheet to the doctor in attendance.
  If inhaled
    If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
  In case of skin contact
    Take off contaminated clothing and shoes immediately. Wash off with soap and plenty of water. Consult a
    physician.
  In case of eye contact
    Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
  If swallowed
    Do NOT induce vomiting. Never give anything by mouth to an unconscious person. Rinse mouth with
    water. Consult a physician.
  Most important symptoms and effects, both acute and delayed
    The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in
    section 11
  Indication of any immediate medical attention and special treatment needed
    no data available

SECTION 5: Firefighting measures
  Extinguishing media
  Suitable extinguishing media
    Dry powder
  Special hazards arising from the substance or mixture
    Carbon oxides, Hydrogen iodide, Magnesium oxide
  Advice for firefighters
    Wear self contained breathing apparatus for fire fighting if necessary.
  Further information
    no data available

SECTION 6: Accidental release measures
  Personal precautions, protective equipment and emergency procedures
    Use personal protective equipment. Avoid breathing vapours, mist or gas. Ensure adequate ventilation.
    Remove all sources of ignition. Evacuate personnel to safe areas. Beware of vapours accumulating to
    form explosive concentrations. Vapours can accumulate in low areas.
    For personal protection see section 8.
  Environmental precautions
    Prevent further leakage or spillage if safe to do so. Do not let product enter drains.
  Methods and materials for containment and cleaning up
    Contain spillage, and then collect with an electrically protected vacuum cleaner or by wet-brushing and
    place in container for disposal according to local regulations (see section 13). Do not flush with water.
  Reference to other sections
    For disposal see section 13.

SECTION 7: Handling and storage
  Precautions for safe handling
    Avoid inhalation of vapour or mist.
    Keep away from sources of ignition - No smoking.Take measures to prevent the build up of electrostatic
    charge.
    For precautions see section 2.2.
  Conditions for safe storage, including any incompatibilities
    Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Containers which are
    opened must be carefully resealed and kept upright to prevent leakage.
    Never allow product to get in contact with water during storage.
    Light sensitive. Air sensitive. Heat sensitive. Handle and store under inert gas.
  Specific end use(s)
    Apart from the uses mentioned in section 1.2 no other specific uses are stipulated

SECTION 8: Exposure controls/personal protection
  Control parameters
  Components with workplace control parameters
  Exposure controls
  Appropriate engineering controls
    Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and
    at the end of workday.
  Personal protective equipment
  Eye/face protection
    Tightly fitting safety goggles. Faceshield (8-inch minimum). Use equipment for eye protection
    tested and approved under appropriate government standards such as NIOSH (US) or EN
    166(EU).
  Skin protection
    Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
    (without touching glove's outer surface) to avoid skin contact with this product. Dispose of
    contaminated gloves after use in accordance with applicable laws and good laboratory practices.
    Wash and dry hands.
    The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and
    the standard EN 374 derived from it.
    Splash contact
    Material: Fluorinated rubber
    Minimum layer thickness: 0,7 mm
    Break through time: 30 min
    Material tested:Vitoject® (KCL 890 / Z677698, Size M)
    data source: KCL GmbH, D-36124 Eichenzell, phone +49 (0)6659 87300,     test method: EN374
    If used in solution, or mixed with other substances, and under conditions which differ from EN 374,
    contact the supplier of the CE approved gloves. This recommendation is advisory only and must
    be evaluated by an industrial hygienist and safety officer familiar with the specific situation of
    anticipated use by our customers. It should not be construed as offering an approval for any
    specific use scenario.
  Body Protection
    Complete suit protecting against chemicals, Flame retardant antistatic protective clothing, The type
    of protective equipment must be selected according to the concentration and amount of the
    dangerous substance at the specific workplace.
  Respiratory protection
    Where risk assessment shows air-purifying respirators are appropriate use a full-face respirator
    with multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges as a backup
    to engineering controls. If the respirator is the sole means of protection, use a full-face supplied air
    respirator. Use respirators and components tested and approved under appropriate government
    standards such as NIOSH (US) or CEN (EU).
  Control of environmental exposure
    Prevent further leakage or spillage if safe to do so. Do not let product enter drains.

SECTION 9: Physical and chemical properties
  Information on basic physical and chemical properties
    a) Appearance        Form: liquid    
    Colour: dark grey
    b) Odour        no data available    
    c) Odour Threshold        no data available    
    d) pH        no data available    
    e) Melting point/freezing        no data available    
    point
    f) Initial boiling point and no data available
    boiling range
    g) Flash point        -40 °C - closed cup    
    h) Evapouration rate        no data available    
    i) Flammability (solid, gas) no data available
    j) Upper/lower        no data available    
    flammability or
    explosive limits
    k) Vapour pressure        no data available    
    l) Vapour density        no data available    
    m) Relative density        no data available    
    n) Water solubility        no data available    
    o) Partition coefficient: n- no data available
    octanol/water
    p) Auto-ignition        no data available    
    temperature
    q) Decomposition        no data available    
    temperature
    r) Viscosity        no data available    
    s) Explosive properties        no data available    
    t) Oxidizing properties        no data available    
  Other safety information
    no data available

SECTION 10: Stability and reactivity
  Reactivity
    no data available
  Chemical stability
    Stable under recommended storage conditions.
  Possibility of hazardous reactions
    Reacts violently with water.
  Conditions to avoid
    Heat, flames and sparks. Extremes of temperature and direct sunlight. Exposure to moisture.
  Incompatible materials
    Oxidizing agents, Strong acids, Oxygen, Alcohols, acids, Reacts violently with water.
  Hazardous decomposition products
    Other decomposition products - no data available
    In the event of fire: see section 5

SECTION 11: Toxicological information
  Information on toxicological effects
  Acute toxicity
    no data available
  Skin corrosion/irritation
    no data available
  Serious eye damage/eye irritation
    no data available
  Respiratory or skin sensitisation
    no data available
  Germ cell mutagenicity
    no data available
  Carcinogenicity
    IARC:        No component of this product present at levels greater than or equal to 0.1% is identified as    
    probable, possible or confirmed human carcinogen by IARC.
  Reproductive toxicity
    no data available
  Specific target organ toxicity - single exposure
    no data available
  Specific target organ toxicity - repeated exposure
    no data available
  Aspiration hazard
    no data available
  Additional Information
    RTECS: Not available
    Material is extremely destructive to tissue of the mucous membranes and upper respiratory tract, eyes, and
    skin., Contact with eyes can cause:, Redness, Blurred vision, Provokes tears., Prolonged or repeated
    contact with skin may cause:, defatting, Dermatitis, burning sensation, Cough, wheezing, laryngitis,
    Shortness of breath
    Liver - Irregularities - Based on Human Evidence (Diethyl ether)

SECTION 12: Ecological information
  Toxicity
    no data available
  Persistence and degradability
    no data available
  Bioaccumulative potential
    no data available
  Mobility in soil
    no data available
  Results of PBT and vPvB assessment
    PBT/vPvB assessment not available as chemical safety assessment not required/not conducted
  Other adverse effects
    no data available

SECTION 13: Disposal considerations
  Waste treatment methods
  Product
    Burn in a chemical incinerator equipped with an afterburner and scrubber but exert extra care in igniting
    as this material is highly flammable. Offer surplus and non-recyclable solutions to a licensed disposal
    company.
  Contaminated packaging
    Dispose of as unused product.

SECTION 14: Transport information
  UN number
    ADR/RID: 3399        IMDG: 3399        IATA: 3399    
  UN proper shipping name
    ADR/RID: ORGANOMETALLIC SUBSTANCE, LIQUID, WATER-REACTIVE, FLAMMABLE (Diethyl
    ether, Iodomethylmagnesium)
    IMDG: ORGANOMETALLIC SUBSTANCE, LIQUID, WATER-REACTIVE, FLAMMABLE
    (Iodomethylmagnesium, Diethyl ether)
    IATA:        Organometallic substance, liquid, water-reactive, flammable (Iodomethylmagnesium, Diethyl    
    ether)
    Passenger Aircraft: Not permitted for transport
  Transport hazard class(es)
    ADR/RID: 4.3 (3)        IMDG: 4.3 (3)        IATA: 4.3 (3)    
  Packaging group
    ADR/RID: I        IMDG: I        IATA: I    
  Environmental hazards
    ADR/RID: no        IMDG Marine pollutant: no        IATA: no    
  Special precautions for user
    no data available



SECTION 15 - REGULATORY INFORMATION
N/A


SECTION 16 - ADDITIONAL INFORMATION
N/A
SDS 1.0
METHYLMAGNESIUM IODIDE Suppliers
Company Name
Business Type
Location
Details
China Shandong Qingdao
Request For Quotation