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Methylmagnesium chloride

CAS No.
676-58-4
Chemical Name:
Methylmagnesium chloride
Synonyms
MeMgCl;CH3MgClinTHF;chloromethyl-magnesiu;Methylchloromagnesium;METHYLMAGNESIUM CHLORIDE;Magnesium, chloromethyl-;Methyl(chloro) magnesium;Magnesium methyl chloride;Magnesium carbanide chloride;Methylmagnesium chloride 3.0 M
CBNumber:
CB9774414
Molecular Formula:
CH3ClMg
Molecular Weight:
74.79
MDL Number:
MFCD00000468
MOL File:
676-58-4.mol
MSDS File:
SDS
Last updated:2026-01-13 11:27:11
Product description Number Pack Size Price
Methylmagnesium chloride solution 3.0 M in THF 189901 8l $1520
Methylmagnesium chloride solution 3.0?M in THF 189901 18L $2760
Methylmagnesium chloride, 3M in THF 93-1266 0.25mole $43
Methylmagnesium chloride, 3M in THF 93-1266 1mole $117
Methylmagnesium chloride solution 3.0 M in THF 189901 4x25ml $69.9
More product size

Methylmagnesium chloride Properties

Boiling point 66 °C
Density 1.013 g/mL at 25 °C
vapor pressure 200 hPa ( 20 °C)
Flash point −1 °F
storage temp. Store below +30°C.
solubility Miscible with diethyl ether and tetrahydrofuran.
form Liquid
color Pale brown to dark green
PH >7 (20°C in H2O)
explosive limit 1.5% (v/v) THF)
Water Solubility reacts
Sensitive Air & Moisture Sensitive
BRN 3587199
Exposure limits ACGIH: TWA 50 ppm; STEL 100 ppm (Skin)
OSHA: TWA 200 ppm(590 mg/m3)
NIOSH: IDLH 2000 ppm; TWA 200 ppm(590 mg/m3); STEL 250 ppm(735 mg/m3)
InChI 1S/CH3.ClH.Mg/h1H3;1H;/q;;+1/p-1
InChIKey RQNMYNYHBQQZSP-UHFFFAOYSA-M
SMILES C[Mg]Cl
CAS DataBase Reference 676-58-4(CAS DataBase Reference)
FDA UNII M5E1132G4W
EPA Substance Registry System Magnesium, chloromethyl- (676-58-4)
UNSPSC Code 12352103
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
GHS02,GHS05,GHS07,GHS08
Signal word  Danger
Hazard statements  H261-H318-H225-H260-H302-H314-H335-H351
Precautionary statements  P305+P351+P338-P309-P310-P210-P231+P232-P280-P370+P378-P402+P404-P403+P235-P231+232
target organs Central nervous system, Respiratory system
PPE Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Hazard Codes  F,C
Risk Statements  11-14/15-34-19-15-37-14
Safety Statements  26-30-36/37/39-43-45-7/8-33-29-16
RIDADR  UN 3399 4.3/PG 2
WGK Germany  1
1-3-10
Autoignition Temperature 609 °F
TSCA  TSCA listed
HazardClass  4.3
PackingGroup  I
HS Code  29319090
Storage Class 4.3 - Hazardous materials which set free flammable gases upon contact with water
Hazard Classifications Carc. 2
Eye Dam. 1
Flam. Liq. 2
Skin Corr. 1B
STOT SE 3
Water-react 1
Hazardous Substances Data 676-58-4(Hazardous Substances Data)
NFPA 704
3
3 2
W

Methylmagnesium chloride price More Price(18)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 189901 Methylmagnesium chloride solution 3.0 M in THF 676-58-4 8l $1520 2026-04-30 Buy
Sigma-Aldrich 189901 Methylmagnesium chloride solution 3.0?M in THF 676-58-4 18L $2760 2026-04-30 Buy
Strem Chemicals 93-1266 Methylmagnesium chloride, 3M in THF 676-58-4 0.25mole $43 2023-01-06 Buy
Strem Chemicals 93-1266 Methylmagnesium chloride, 3M in THF 676-58-4 1mole $117 2023-01-06 Buy
Sigma-Aldrich 189901 Methylmagnesium chloride solution 3.0 M in THF 676-58-4 4x25ml $69.9 2026-04-30 Buy
Product number Packaging Price Buy
189901 8l $1520 Buy
189901 18L $2760 Buy
93-1266 0.25mole $43 Buy
93-1266 1mole $117 Buy
189901 4x25ml $69.9 Buy

Methylmagnesium chloride Chemical Properties,Uses,Production

Chemical Properties

dark brown solution

Uses

Methylmagnesium chloride is used as a Grignard reagent and an alkylating agent in organic synthesis.

Application

Methylmagnesium chloride solution (3 M in THF) undergoes 1,3-addition with dialdose derived nitrones to form N-benzylhydroxylamines. The reductive cleavage of the N-O bond of these N-benzylhydroxylamines results in N-benzylaminosugars, which are key moieties of bioactive compounds. It can also react with Garner type aldehydes to form the corresponding secondary alcohols.

Preparation

reaction of methyl chloride and magnesium in anhydrous diethyl ether, usually in the presence of an initiator.

Definition

ChEBI: Methylmagnesium chloride is an alkylmagnesium halide and a one-carbon compound. available as a solutionin tetrahydrofuran.

Reactions

Methylmagnesium chloride can react with acidic hydrogen on oxygen, sulfur and alkyne carbon of compounds containing active hydrogen (such as water, alcohol, mercaptan, amine, amide, acid, sulfonic acid, etc.); Propyl bromide, etc.) undergoes a coupling reaction; it can react with oxygen and carbon dioxide, aldehydes, ketones, etc.

Hazard

Flammable, dangerous fire and explosionrisk.

reaction suitability

reaction type: Grignard Reaction

74-87-3
676-58-4
Synthesis of Methylmagnesium chloride from Chloromethane
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View Lastest Price from Methylmagnesium chloride manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Methylmagnesium chloride pictures 2026-04-30 Methylmagnesium chloride
676-58-4
US $110.00-70.00 / kg 1kg 99% 5000 HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
Methylmagnesium chloride pictures 2026-03-20 Methylmagnesium chloride
676-58-4
US $10.00-8.00 / kg 1kg 99% 10 mt Hebei Chuanghai Biotechnology Co., Ltd
Methylmagnesium chloride pictures 2025-12-01 Methylmagnesium chloride
676-58-4
US $0.00 / kg 1kg 99% 10000KGS Shaanxi Dideu New Materials Co. Ltd
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