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1-Methyl-2-propenylmagnesium chloride

1-Methyl-2-propenylmagnesium chloride structure

CAS No.: 21969-32-4

Chemical Name:: 1-Methyl-2-propenylmagnesium chloride

Synonyms: magnesium,but-1-ene,chloride;chlorure de buten-2 ylmagnesium;1-Methyl-2-propenylmagnesium chloride;1-Methyl-2-propenylmagnesium chloride solution;1-Methyl-2-Propenyl Magnesium Chloride 0.5M in THF;1-Methyl-2-propenylmagnesium chloride, 0.25 M in THF;1-Methyl-2-propenylmagnesium chloride, 0.25 M in 2-MeTHF;1-Methyl-2-propenylmagnesium chloride solution 0.5 in THF;1-Methyl-2-propenylmagnesium chloride 0.5M solution in THF;1-Methyl-2-propenylmagnesium chloride solution 0.5 M in THF

CBNumber:: CB4255349

Molecular Formula:: C4H7ClMg

Molecular Weight:: 114.86

MDL Number:: MFCD00216570

MOL File:: 21969-32-4.mol

MSDS File:: SDS

Last updated:2026-09-12 18:52:43

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1-Methyl-2-propenylmagnesium chloride Properties

Boiling point	67 °C
Density	0.917 g/mL at 25 °C
Flash point	−4 °F
InChI	1S/C4H7.ClH.Mg/c1-3-4-2;;/h3-4H,1H2,2H3;1H;/q;;+1/p-1
InChIKey	RTJGBPYEBKZQGE-UHFFFAOYSA-M
SMILES	CC([Mg]Cl)C=C
UNSPSC Code	12352103
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS02,GHS05,GHS07,GHS08
Signal word	Danger
Hazard statements	H225-H261-H302-H314-H335-H351
Precautionary statements	P210-P231+P232-P280-P370+P378-P402+P404-P403+P235
target organs	Respiratory system
PPE	Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes	F,C,Xn
Risk Statements	11-14-19-20/21/22-34-40-36/37/38-14/15
Safety Statements	16-26-27-36/37/39-45-43-36/37
RIDADR	UN 3399 4.3/PG 2
WGK Germany	3
HS Code	29319090
Storage Class	4.3 - Hazardous materials which set free flammable gases upon contact with water
Hazard Classifications	Acute Tox. 4 Oral Carc. 2 Flam. Liq. 2 Skin Corr. 1B STOT SE 3 Water-react 2

1-Methyl-2-propenylmagnesium chloride price More Price(11)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	420042	1-Methyl-2-propenylmagnesium chloride solution 0.5 M in THF	21969-32-4	100ml	$397	2026-04-30	Buy
Rieke Metals	T0381	1-Methyl-2-propenylmagnesium chloride	21969-32-4	50mL	$175	2026-05-06	Buy
Rieke Metals	T0381	1-Methyl-2-propenylmagnesium chloride	21969-32-4	100mL	$335	2026-05-06	Buy
Rieke Metals	G0381	1-Methyl-2-propenylmagnesium chloride	21969-32-4	50mL	$175	2026-05-06	Buy
Rieke Metals	G0381	1-Methyl-2-propenylmagnesium chloride	21969-32-4	100mL	$335	2026-05-06	Buy

Product number	Packaging	Price	Buy
420042	100ml	$397	Buy
T0381	50mL	$175	Buy
T0381	100mL	$335	Buy
G0381	50mL	$175	Buy
G0381	100mL	$335	Buy

1-Methyl-2-propenylmagnesium chloride Chemical Properties, Uses, Production

Chemical Properties

Brown liquid

Uses

1-Methyl-2-propenylmagnesium chloride is a Grignard type allylating reagent that can be used for the preparation of corresponding homoallylic alcohols by reacting with various aldehydes. It can also be utilized in the synthesis of 3,4-dihydro-4-(1-methyl-2-propen-1-yl)-2(1H)-pyrimidinethione derivatives by treating with 2-mercaptopyrimidine.

reaction suitability

reaction type: Grignard Reaction

1-Methyl-2-propenylmagnesium chloride Preparation Products And Raw materials

Raw materials

Preparation Products

1-Methyl-2-propenylmagnesium chloride Suppliers

Global Suppliers ( 41)

Supplier	Tel	Email	Country	ProdList	Advantage
Beijing Ouhe Technology Co., Ltd	13552068683 13522913783	2355560935@qq.com	China	11777	60
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
Shandong Xiya Chemical Co., Ltd	13355009207 13355009207	3007715519@qq.com	China	18722	57
Shanghai T&W Pharmaceutical Co., Ltd.	+86 21 61551611		China	9874	58
Shanghai Xingui Biotechnology Co., Ltd.	15121041756	xingui2022@126.com	China	9985	58
Sigma-Aldrich	021-61415566 800-8193336	orderCN@merckgroup.com	China	51389	80
Shanghai YuanYe Biotechnology Co., Ltd.	15026964105	2881489226@qq.com	China	89667	60
Shandong Ono Chemical Co., Ltd.	0539-6362799 20）		China	10007	58
Shanghai Jizhi Biochemical Technology Co. Ltd.	021-4009004166/18616739031 18616739031	3007523370@qq.com	China	40000	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +86-189 4982 3763	sales@tnjchem.com	China	34526	58

Supplier	Advantage
Beijing Ouhe Technology Co., Ltd	60
Shanghai Hanhong Scientific Co.,Ltd.	64
Shandong Xiya Chemical Co., Ltd	57
Shanghai T&W Pharmaceutical Co., Ltd.	58
Shanghai Xingui Biotechnology Co., Ltd.	58
Sigma-Aldrich	80
Shanghai YuanYe Biotechnology Co., Ltd.	60
Shandong Ono Chemical Co., Ltd.	58
Shanghai Jizhi Biochemical Technology Co. Ltd.	58
Hefei TNJ Chemical Industry Co.,Ltd.	58

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1-Methyl-2-propenylmagnesium chloride 0.5M solution in THF 1-Methyl-2-propenylmagnesium chloride, 0.25 M in 2-MeTHF 1-Methyl-2-propenylmagnesium chloride, 0.25 M in THF 1-Methyl-2-propenylmagnesium chloride solution 1-METHYL-2-PROPENYLMAGNESIUM CHLORIDE, 0 .5M SOLUTION IN TETRAHYDROFURAN 1-Methyl-2-propenylmagnesium chloride solution 0.5 in THF 1-Methyl-2-propenylmagnesium chloride solution 0.5 M in THF chlorure de buten-2 ylmagnesium 1-Methyl-2-propenylmagnesium chloride solution 0.5M solution in THF magnesium,but-1-ene,chloride 1-Methyl-2-Propenyl Magnesium Chloride 0.5M in THF 1-Methyl-2-propenylmagnesium chloride 21969-32-4 H2CCHCHCH3MgCl Grignard Reagents Organometallic Reagents Alkyl Chemical Synthesis Grignard Reagents Organometallic Reagents Alkyl Grignard Reagents Organometallic Reagents Grignard Reagent