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Butylmagnesium chloride

CAS No.
693-04-9
Chemical Name:
Butylmagnesium chloride
Synonyms
N-BUTYLMAGNESIUM CHLORIDE;Butylmagnesium;n-Butylmagnesium chloride 2M solution in DEE;Butylchloromagnesium;ButylMagnesiuM chlor;Butyl(chloro)magnesium;BUTYLMAGNESIUM CHLORIDE;Magnesium, butylchloro-;ButylMagnesiuM Chloride Butylmagnesium chloride (6CI)
CBNumber:
CB1159923
Molecular Formula:
C4H9ClMg
Molecular Weight:
116.87
MDL Number:
MFCD00000475
MOL File:
693-04-9.mol
MSDS File:
SDS
Last updated:2026-05-27 23:09:32

Butylmagnesium chloride Properties

Melting point -17°C
Boiling point 66°C
Density 0.962 g/mL at 25 °C
Flash point 115 °F
storage temp. 2-8°C
form Solution
color Green-brown to brown
Water Solubility reacts
Sensitive Air & Moisture Sensitive
BRN 3587228
InChI InChI=1S/C4H9.ClH.Mg/c1-3-4-2;;/h1,3-4H2,2H3;1H;/q;;+1/p-1
InChIKey UUNGXYVLXYGZKH-UHFFFAOYSA-M
SMILES C(CC)C[Mg]Cl
CAS DataBase Reference 693-04-9(CAS DataBase Reference)
FDA UNII 4J83FGW852
EPA Substance Registry System Magnesium, butylchloro- (693-04-9)
UNSPSC Code 12352103
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Flame (GHS02)Corrosion (GHS05)Exclamation Mark (GHS07)Health Hazard (GHS08)
GHS02,GHS05,GHS07,GHS08
Signal word  Danger
Hazard statements  H250-H260-H302-H314-H336-H226-H225-H335-H351-H371-H372-H261-H303-H318-H333
Precautionary statements  P303+P361+P353-P405-P501a-P222-P223-P231+P232-P261-P370+P378-P422-P280-P210-P305+P351+P338-P233-P240-P241+P242+P243-P260-P264-P270-P271-P301+P330+P331+P310-P303+P361+P353+P310+P363-P304+P340+P310-P305+P351+P338+P310-P308+P311-P335+P334-P402+P404
target organs Central nervous system
PPE Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Hazard Codes  C,F,F+
Risk Statements  12-14/15-19-22-34-67-65-63-48/20-11-15-14-10-40-37
Safety Statements  7-9-16-26-29-33-36/37/39-43-45-62-46
RIDADR  UN 3399 4.3/PG 2
WGK Germany  1
10
TSCA  TSCA listed
HazardClass  4.3
PackingGroup  II
HS Code  29319090
Storage Class 4.3 - Hazardous materials which set free flammable gases upon contact with water
Hazard Classifications Acute Tox. 4 Oral
Eye Dam. 1
Skin Corr. 1B
STOT SE 3
Water-react 1
REACH Registrations Active
Excepted Quantities Not Permitted as Excepted Quantity
NFPA 704
3
3 2

Butylmagnesium chloride price More Price(27)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 224375 Butylmagnesium chloride solution 2.0M in diethyl ether 693-04-9 100ml $174 2026-04-30 Buy
Sigma-Aldrich 224375 Butylmagnesium chloride solution 2.0M in diethyl ether 693-04-9 800ml $212 2026-04-30 Buy
TCI Chemical B0726 Butylmagnesium Chloride (23% in Tetrahydrofuran, ca. 2mol/L) 693-04-9 250g $80 2026-04-30 Buy
Strem Chemicals 93-1204 n-Butylmagnesium chloride, 1.5-3.0 M in THF 693-04-9 0.25mole $90 2026-04-30 Buy
Strem Chemicals 93-1204 n-Butylmagnesium chloride, 1.5-3.0 M in THF 693-04-9 1mole $266 2026-04-30 Buy
Product number Packaging Price Buy
224375 100ml $174 Buy
224375 800ml $212 Buy
B0726 250g $80 Buy
93-1204 0.25mole $90 Buy
93-1204 1mole $266 Buy

Butylmagnesium chloride Chemical Properties, Uses, Production

Chemical Properties

green-brown to brown solution

Uses

n-Butylmagnesium chloride is used in organic synthesis, pharmaceuticals, agrochemicals and dyestuffs.

Uses

Butylmagnesium chloride (BuMgCl) is a Grignard reagent that can be used:

  • To prevent the formation of passivating surface films on Mg electrodes.
  • For the synthesis of lithium tributylmagnesate complex (n-Bu3MgLi) by reacting with n-BuLi.

reaction suitability

reaction type: Grignard Reaction

109-69-3
693-04-9
Synthesis of Butylmagnesium chloride from 1-Chlorobutane
Global Suppliers ( 234)
Supplier Tel Email Country ProdList Advantage
Nanjing Freehoo Chemical Technology Co., Ltd. 025-57798086 13951998329 sjg9988@126.com China 37 58
Nanjing Habo Medical Technology Co., Ltd. 13376080562 13376090521 sales@habotech.com China 724 60
Nanjing Hokwang Chemicals Co., Ltd 18061245313 15951945415 roger@knwcoltd.com China 28 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
Beijing Donghualituo Techonlogy Development Co.,Ltd. 010-88425576 sales@dhltchem.com China 793 59
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Beijing HwrkChemical Technology Co., Ltd 89508211 18501085097 sales.bj@hwrkchemical.com China 9407 55
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61

View Latest Price from Butylmagnesium chloride manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Butylmagnesium chloride pictures 2026-06-30 Butylmagnesium chloride
693-04-9
1kg 99% 10000KGS Shaanxi Dideu New Materials Co. Ltd
Butylmagnesium chloride pictures 2026-02-02 Butylmagnesium chloride
693-04-9
$120.00-1200.00 1g 98%min 200tons Shaanxi Dideu Medichem Co. Ltd
Butylmagnesium chloride pictures 2023-07-19 Butylmagnesium chloride
693-04-9
$30.00 1KG 99% 20 Tons Wuhan wingroup Pharmaceutical Co., Ltd
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