Magnesium ethane

C4H10Mg

magnesium ethane

CAS557-18-6
GHS02 Gefahrensymbol: Entzündbar – Flamme
GHS05 Gefahrensymbol: Ätzend – Ätzwirkung
Danger

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Identification

CAS Number
557-18-6
EC Number
209-159-2
UN Number
3394
Index Number
012-003-00-4
PubChem CID
11183

Physical-chemical properties

Molecular Formula
C4H10Mg
Molar Mass
82.43 g/mol
IUPAC Name
magnesium ethane

Chemical Identifiers

InChI
InChI=1S/2C2H5.Mg/c2*1-2;/h2*1H2,2H3;/q2*-1;+2
InChI Key
DLPASUVGCQPFFO-UHFFFAOYSA-N

Overview

Magnesium ethane (CAS 557-18-6) is an organometallic compound with highly pyrophoric properties and strong water reactivity characteristics. This organometallic substance, with the molecular formula C4H10Mg and a molecular weight of 82.43 g/mol, represents a specialized chemical reagent requiring exceptional handling protocols due to its inherent hazardous nature. The compound exhibits spontaneous ignition when exposed to air and reacts violently with water, generating flammable hydrogen gas and potentially causing severe chemical burns upon contact with skin or mucous membranes. The safety profile of magnesium ethane demands strict adherence to industrial safety standards, as evidenced by its classification under multiple hazard categories including Pyrophoric Liquid Category 1, Water-reactive Category 1, and Skin Corrosion Category 1B. Transportation regulations classify this substance under ADR Class 4.2, requiring specialized shipping procedures and appropriate containment systems. Like other organometallic compounds such as tripropylalumane and sodium methanolate, magnesium ethane must be stored under inert atmosphere conditions to prevent dangerous reactions with atmospheric moisture and oxygen. Industrial applications for magnesium ethane primarily center around specialized synthetic chemistry processes where its unique reactivity profile provides valuable synthetic utility. The compound serves as an important reagent in organometallic synthesis reactions, particularly in research and development applications requiring precise chemical transformations. Additionally, it finds use in advanced materials science applications where controlled reactivity with specific substrates is required for specialized coating or surface modification processes. OYSI maintains availability of magnesium ethane for qualified industrial customers requiring this specialized organometallic reagent, ensuring proper documentation and safety compliance throughout the distribution process.

Safety & Classification

Danger
Classification:

Pyr. Liq. 1; Water-react. 1; Skin Corr. 1B

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H250

Catches fire spontaneously if exposed to air.

H260

In contact with water releases flammable gases which may ignite spontaneously.

H314

Causes severe skin burns and eye damage.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Skin Contact

Harmful

Measures if substance contacts the skin

First Aid Actions

  • +P302IF ON SKIN:
  • +P352Wash with plenty of water.
  • +P361Take off immediately all contaminated clothing.
  • +P313Get medical advice/attention.

Related hazard statements:

Eye Contact

Harmful

Measures if substance gets into the eyes

First Aid Actions

  • +P305IF IN EYES:
  • +P351Rinse cautiously with water for several minutes.
  • +P338Remove contact lenses, if present and easy to do. Continue rinsing.
  • +P313Get medical advice/attention.

Related hazard statements:

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number3394
ADR Class4.2
Packing GroupI
Tunnel CodeB/E
Proper Shipping NameDiethylmagnesium, flüssig, pyrophor
Marine PollutantNo

Frequently Asked Questions

What is magnesium ethane?

Magnesium ethane is an organometallic compound with the molecular formula C4H10Mg and CAS number 557-18-6. This chemical substance has a molecular weight of 82.43 g/mol and belongs to the class of organomagnesium compounds. It is classified as a highly hazardous material due to its pyrophoric nature, meaning it can spontaneously ignite in air, and its violent reaction with water. The compound requires specialized handling and storage conditions due to its extreme reactivity.

What are the physicochemical properties of magnesium ethane?

Magnesium ethane is a pyrophoric liquid that exhibits extreme reactivity with air and water. The compound spontaneously ignites upon contact with atmospheric oxygen and reacts violently with water, producing flammable gases. It is highly corrosive to skin and mucous membranes. Due to its organometallic nature, it is typically colorless to pale yellow and must be stored under inert atmosphere conditions to prevent unwanted reactions. Its molecular structure consists of magnesium bonded to ethyl groups.

What is magnesium ethane used for?

Magnesium ethane is primarily used as a reagent in organic synthesis and as a catalyst in various chemical processes. It serves as a powerful reducing agent in organometallic chemistry and is employed in the preparation of other organomagnesium compounds. The substance is utilized in specialized industrial applications requiring strong nucleophilic reactions and in research laboratories for advanced synthetic chemistry. Its high reactivity makes it valuable for specific chemical transformations that require aggressive organometallic reagents.

How to handle magnesium ethane safely?

Magnesium ethane requires extreme safety precautions due to its pyrophoric and corrosive nature. Personnel must wear appropriate personal protective equipment including chemical-resistant gloves, eye protection, and protective clothing. Work must be conducted in well-ventilated areas or under inert atmosphere conditions. Immediate access to safety showers and eyewash stations is essential. Fire suppression equipment suitable for metal fires should be readily available. All handling operations should be performed by trained personnel familiar with pyrophoric materials.

How to store magnesium ethane correctly?

Magnesium ethane must be stored under strict inert atmosphere conditions, typically under nitrogen or argon gas, to prevent contact with air and moisture. Storage areas should be cool, dry, and well-ventilated, away from ignition sources and incompatible materials such as water, alcohols, and oxidizing agents. Containers must be tightly sealed and made of appropriate materials. Storage facilities should have fire suppression systems designed for metal fires and be equipped with spill containment measures suitable for pyrophoric liquids.

What to do in case of contact with magnesium ethane?

Magnesium ethane contact requires immediate emergency response due to its corrosive properties. For skin contact, immediately remove contaminated clothing and flush the affected area with copious amounts of water for at least 15 minutes. In case of eye contact, rinse thoroughly with water and seek immediate medical attention. If inhaled, move the person to fresh air and provide respiratory support if needed. For ingestion, do not induce vomiting and seek immediate medical care. Always consult a physician after any exposure incident.

How to dispose of magnesium ethane appropriately?

Magnesium ethane disposal must comply with local and international hazardous waste regulations due to its classification as dangerous goods. The substance cannot be disposed of through normal waste streams and requires specialized treatment by licensed hazardous waste disposal companies. Small quantities may be carefully neutralized under controlled conditions by trained professionals using appropriate quenching agents. All disposal activities must follow proper documentation procedures and regulatory requirements for pyrophoric and corrosive materials.

How to transport magnesium ethane?

Magnesium ethane is classified under ADR Class 4.2 (substances liable to spontaneous combustion) with Packing Group I, indicating maximum danger level. Transportation requires specialized packaging designed for pyrophoric liquids and must comply with dangerous goods regulations. Vehicles must display appropriate hazard placards (GHS02 and GHS05 pictograms) and carry emergency response information. Only certified carriers experienced in handling dangerous goods should transport this material, following strict routing and documentation requirements established by international transport regulations.

Is magnesium ethane subject to specific regulations?

Magnesium ethane is subject to comprehensive chemical safety regulations including REACH registration requirements in Europe and CLP classification as a dangerous substance. It carries the signal word 'Danger' and is classified as Pyr. Liq. 1, Water-react. 1, and Skin Corr. 1B under GHS. The compound is not currently listed as a Substance of Very High Concern (SVHC) but requires strict compliance with occupational safety standards, transportation regulations, and environmental protection measures throughout its lifecycle.

Where to buy magnesium ethane in Europe?

Magnesium ethane is available through OYSI, a specialized European distributor of technical chemicals with expertise in handling dangerous goods. As a professional chemical supplier, OYSI ensures proper packaging, documentation, and regulatory compliance for this hazardous material. Due to the substance's dangerous classification, purchases typically require verification of appropriate handling facilities and trained personnel. Contact OYSI directly to discuss specific requirements, quantities, and delivery arrangements for magnesium ethane within European markets.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.