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Cyclohexylmagnesium chloride

HCID 13605
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Basic information

CAS
931-51-1
Standard SMILES
[CH-]1CCCCC1.[Cl-].[Mg+2]
InChIKey
WMJMABVHDMRMJA-UHFFFAOYSA-M
Molecular formula
C6H11ClMg
Average molar mass
142.91 g/mol
Monoisotopic mass
142.0399697

Names & identifiers

Preferred name
Cyclohexylmagnesium chloride
IUPAC
magnesium;cyclohexane;chloride
English name
Cyclohexylmagnesium chloride
Molecular formula
C6H11ClMg
Molecular weight
142.91

Names & synonyms

CYCLOHEXYLMAGNESIUM CHLORIDE931-51-1Magnesium, chlorocyclohexyl-ChlorocyclohexylmagnesiumHSDB 5772OAG686RDSUEINECS 213-237-1EC 213-237-1DTXSID2061309RefChem:580868Magnesium, chlorocyclohexylDTXCID4048856
Show more names
Cyclohexylchloromagnesiumchlorocyclohexyl-magnesiuMagnesiuM,chlorocyclohexyl-Cycohexylmagnesium chloridecyclohexylmagnesium chloride sol.Cyclohexylmagnesium chloride solutionCyclohexylmagnesium chloride, 1M in THFCYCLOHEXYLMAGNESIUM CHLORIDE(2.0MinTHF)
CYCLOHEXYLMAGNESIUM CHLORIDE [HSDB]213-237-1UNII-OAG686RDSUmagnesium;cyclohexane;chlorideCHLORO(CYCLOHEXYL)MAGNESIUMMFCD00003816cyclohexylmagnesiumchloridecyclohexyl magnesium chloride

Database identifiers

CAS
931-51-1
PubChem CID
13605
DTXSID
DTXSID2061309
EC Number
213-237-1

Properties

Computed structural properties

Topological polar surface area
0 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
2
Rotatable bonds
0
Heavy atoms
8
Formal charge
0
Complexity
35.5

Experimental & physicochemical properties

Chemical ClassesMetals -> Metals, Organic Compounds
Physical DescriptionSolution in diethyl ether: Yellow-brown liquid; [MSDSonline]
Other Experimental Properties · 2 items

Moisture sensitive

... May react violently with water. /Methyl magnesium bromide in ethyl ether/

Physicochemical properties

Density
0.871 g/mL · 0.871 g/mL at 25 °C
Flash point
40 °F · −40 °F
storage temp.
2 · 2-8°C
form
Solution
color
Clear very dark brown
Water Solubility
It reacts violently with water.
Sensitive
Air & Moisture Sensitive
BRN
3535440 · 3535440
InChI
InChI=1S/C6H11.ClH.Mg/c1-2-4-6-5-3-1;;/h1H,2-6H2;1H;/q;;+1/p-1
InChIKey

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Danger

H225 (42.5%): Highly Flammable liquid and vapor [Danger Flammable liquids]

P210, P233, P240, P241, P242, P243, P260, P264, P264+P265, P280, P301+P330+P331, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P317, P321, P363, P370+P378, P403+P235, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 73 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory InformationREACH registered substance: Chlorocyclohexylmagnesium (EC: 213-237-1)
Hazards Summary · 1 item

Apart from their instability in air and their caustic basic properties, organomagnesium compounds and the precipitated inorganic magnesium salts produced during their use display no pronounced toxicity or side effects of environmental concern. [Ullmann] Solution in diethyl ether: Reacts violently with water; A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis and pulmonary edema; [MSDSonline]

DOT Emergency Guidelines · 5 items

/GUIDE 138: SUBSTANCES - WATER-REACTIVE (EMITTING FLAMMABLE GASES)/ Fire or Explosion: Produce flammable gases on contact with water. May ignite on contact with water or moist air. Some react vigorously or explosively on contact with water. May be ignited by heat, sparks or flames. May re-ignite after fire is extinguished. Some are transported in highly flammable liquids. Runoff may create fire or explosion hazard. /Organometallic substance, liquid, water-reactive, flammable/

/GUIDE 138: SUBSTANCES - WATER-REACTIVE (EMITTING FLAMMABLE GASES)/ Health: Inhalation or contact with vapors, substance, or decomposition products may cause severe injury or death. May produce corrosive solutions on contact with water. Fire will produce irritating, corrosive and/or toxic gases. Runoff from fire control may cause pollution. /Organometallic substance, liquid, water-reactive, flammable/

Chemistry & industry

Uses & manufacturing

Uses · 2 items

Used as chemical intermediate; [HSDB]

CHEM INT, EG, FOR CYCLOHEXYLSILANE

Methods of ManufacturingREACTION OF CYCLOHEXYL CHLORIDE WITH MAGNESIUM IN ANHYDROUS DIETHYL ETHER, USUALLY IN THE PRESENCE OF AN INITIATOR
General Manufacturing InformationMagnesium, chlorocyclohexyl-: ACTIVE

Applications

UsesCyclohexylmagnesium chloride is used as a Grignard reagent in greener solvent, 2-methyltetrahydrofuran (2-MeTHF). It is used as a reagent for the introduction of the cyclohexyl group; metalation of CH-acidic compounds.

UsesNucleophilic reagent is commonly used in substitution and addition reactions.

Upstream & downstream products

Downstream products

Dicyclohexylphosphine oxideEthyl 2-cyclohexyl-2-oxoacetatePotassium cyclohexyltrifluoroborateCyclohexalalleneCyclohexylmethyl bromide1-Cyclohexyl-1-propanone oximeDicyclohexylchlorophosphine3-Chlorophenyl cyclohexyl ketone

Related reactions

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Compound notes

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On this pageBasic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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WMJMABVHDMRMJA-UHFFFAOYSA-M
SMILES
[Mg](C1CCCCC1)Cl
FDA UNII
686 RDSU · OAG686RDSU
EPA Substance Registry System
Magnesium, chlorocyclohexyl- (931-51-1)
UNSPSC Code
12352103 · 12352103
NACRES
22 · NA.22
Symbol(GHS)
2 · GHS02,GHS05,GHS07,GHS08
Signal word
Danger
Hazard statements
318 · H318-H225-H304-H314-H335-H336-H351-H361d-H373-H302
Precautionary statements
210 · P210-P260-P280-P305+P351+P338-P370+P378-P403+P235-P261-P310-P260h-P303+P361+P353-P405-P501a
target organs
Respiratory system
PPE
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Hazard Codes
F+,C,F
Risk Statements
12 · 12-14/15-19-22-34-67-66-14-65-48/20-40-37-11-63
Safety Statements
7 · 7-9-16-26-29-33-36/37/39-43-45-62
RIDADR
3399 · UN 3399 4.3/PG 1
WGK Germany
1 · 1
F
1 · 1-3-10
TSCA
TSCA listed
HazardClass
4.2 · 4.2
PackingGroup
I
HS Code
29319090 · 29319090
Storage Class
3 · 3 - Flammable liquids
Hazard Classifications
4 OralEye · Acute Tox. 4 OralEye Dam. 1Flam. Liq. 1Skin Corr. 1BSTOT SE 3
Hazardous Substances Data
931 · 931-51-1(Hazardous Substances Data)
REACH Registrations
Active

/GUIDE 138: SUBSTANCES - WATER-REACTIVE (EMITTING FLAMMABLE GASES)/ Public Safety: CALL Emergency Response Telephone Number ... . As an immediate precautionary measure, isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meter (75 feet) for solids. Keep unauthorized personnel away. Stay upwind. Keep out of low areas. Ventilate the area before entry. /Organometallic substance, liquid, water-reactive, flammable/

/GUIDE 138: SUBSTANCES - WATER-REACTIVE (EMITTING FLAMMABLE GASES)/ Protective Clothing: Wear positive pressure self-contained breathing apparatus (SCBA). Wear chemical protective clothing that is specifically recommended by the manufacturer. It may provide little or no thermal protection. Structural firefighters' protective clothing will only provide limited protection in fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible. /Organometallic substance, liquid, water-reactive, flammable/

For more DOT Emergency Guidelines (Complete) data for CYCLOHEXYLMAGNESIUM CHLORIDE (8 total), please visit the HSDB record page.

Hazard Classes and CategoriesFlam. Liq. 2 (42.5%)

Safety & protection

Disposal Methods · 1 item

SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.

Toxicology

Adverse EffectsDermatotoxin - Skin burns.

Safety data

F
1-3-10
PPE
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
wgk
1
tsca
TSCA listed
ridadr
UN 3399 4.3/PG 1
hs_code
29319090
risk_code
12-14/15-19-22-34-67-66-14-65-48/20-40-37-11-63
Signal word
Danger
Symbol(GHS)
GHS02,GHS05,GHS07,GHS08
hazard_code
F+,C,F
safety_code
7-9-16-26-29-33-36/37/39-43-45-62
hazard_class
4.2
Storage Class
3 - Flammable liquids
packing_group
I
target organs
Respiratory system
Hazard statements
H318-H225-H304-H314-H335-H336-H351-H361d-H373-H302
REACH Registrations
Active
Hazard Classifications
Acute Tox. 4 OralEye Dam. 1Flam. Liq. 1Skin Corr. 1BSTOT SE 3
Precautionary statements
P210-P260-P280-P305+P351+P338-P370+P378-P403+P235-P261-P310-P260h-P303+P361+P353-P405-P501a
Hazardous Substances Data
931-51-1(Hazardous Substances Data)
4-Cyclohexyl-4-oxo-butyric acid