1-nitroethane

C2H5NO2

CAS79-24-3
GHS02 Gefahrensymbol: Entzündbar – Flamme
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
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Identification

CAS Number
79-24-3
EC Number
201-188-9
UN Number
2842
Index Number
609-035-00-1
PubChem CID
6587

Physical-chemical properties

Molecular Formula
C2H5NO2
Molar Mass
75.07 g/mol
IUPAC Name
1-nitroethane

Chemical Identifiers

InChI
InChI=1S/C2H5NO2/c1-2-3(4)5/h2H2,1H3
InChI Key
MCSAJNNLRCFZED-UHFFFAOYSA-N

Overview

1-Nitroethane (CAS 79-24-3) is a nitroalkane compound with flammable liquid properties and moderate toxicity characteristics. This organic compound represents one of the simplest nitroalkanes, featuring a nitro group (-NO2) attached to an ethyl carbon chain. With a molecular formula of C2H5NO2 and molecular weight of 75.07 g/mol, 1-nitroethane exhibits distinctive chemical properties that make it valuable in various industrial applications. The compound is classified as a flammable liquid category 3 under GHS regulations, requiring careful handling protocols and appropriate safety measures during storage and transport. From a safety perspective, 1-nitroethane carries acute toxicity warnings (category 4) and displays flammable characteristics, necessitating compliance with ADR class 3 transportation requirements. The substance requires warning labeling with GHS02 and GHS07 pictogrammes, indicating both fire hazard and health concerns. Proper ventilation, fire prevention measures, and personal protective equipment are essential when working with this nitroalkane compound. Industrial applications of 1-nitroethane primarily include its use as a chemical intermediate in organic synthesis, particularly in pharmaceutical manufacturing and specialty chemical production. The compound serves as a valuable building block for creating more complex molecules and finds application in solvent formulations where its unique properties complement other chemicals. Unlike related compounds such as heptan-2-one, 1-nitroethane offers specific reactivity patterns that make it suitable for nitro-aldol reactions and other specialized synthetic processes. OYSI maintains reliable supply chains for 1-nitroethane, ensuring consistent availability for European industrial customers requiring this specialized nitroalkane compound for their manufacturing processes.

Safety & Classification

Warning
Classification:

Flam. Liq. 3; Acute Tox. 4 *; Acute Tox. 4 *

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H226

Flammable liquid and vapour.

H332

Harmful if inhaled.

H302

Harmful if swallowed.

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

Inhalation

Harmful

Measures if vapours or dust are inhaled

First Aid Actions

  • +P304IF INHALED:
  • +P340Remove person to fresh air and keep comfortable for breathing.
  • +P311Call a POISON CENTER/doctor.

Related hazard statements:

Ingestion

Harmful

Measures if substance is accidentally swallowed

First Aid Actions

  • +P301IF SWALLOWED:
  • +P330Rinse mouth.
  • +P331Do NOT induce vomiting.
  • +P310Immediately call a POISON CENTER/doctor.

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 Number2842
ADR Class3
Packing GroupIII
Tunnel CodeD/E
Proper Shipping NameNitroethan
Marine PollutantNo

Frequently Asked Questions

What is 1-nitroethane?

1-nitroethane is an organic nitro compound with the molecular formula C2H5NO2 and CAS number 79-24-3. It belongs to the family of primary nitroalkanes and has a molecular weight of 75.07 g/mol. This flammable liquid is classified as a hazardous substance under GHS regulations, requiring careful handling and storage. It exhibits both flammability and acute toxicity properties, making it important for industrial users to follow proper safety protocols during use.

What are the physicochemical properties of 1-nitroethane?

1-nitroethane is a colorless to pale yellow liquid at room temperature with a characteristic sweet, fruity odor. It has moderate polarity and is miscible with many organic solvents while showing limited solubility in water. The compound has a boiling point around 114°C and a density greater than water. It is sensitive to heat, light, and strong bases, which can cause decomposition. Its nitro group makes it reactive toward reducing agents and certain metals.

What is 1-nitroethane used for?

1-nitroethane serves primarily as an intermediate in organic synthesis and pharmaceutical manufacturing. It is used in the production of various chemicals including explosives, propellants, and specialty compounds. The substance finds applications in research laboratories for synthetic chemistry work and as a solvent in specific industrial processes. It can also be employed in the manufacture of certain dyes, resins, and agricultural chemicals where its unique chemical properties are required.

How to handle 1-nitroethane safely?

1-nitroethane requires careful handling with appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Work should be conducted in well-ventilated areas or under fume hoods to prevent inhalation exposure. Avoid contact with skin, eyes, and clothing. Keep away from heat sources, sparks, and open flames due to its flammable nature. Use non-sparking tools and ensure proper grounding of equipment to prevent static electricity buildup during handling operations.

How to store 1-nitroethane correctly?

1-nitroethane should be stored in a cool, dry, well-ventilated area away from heat sources and direct sunlight. Keep containers tightly closed and use appropriate secondary containment to prevent spills. Store away from incompatible materials such as strong oxidizers, reducing agents, strong bases, and metals. The storage area should be equipped with appropriate fire suppression systems and maintained below 25°C when possible. Regularly inspect containers for signs of deterioration or leakage.

What to do in case of contact with 1-nitroethane?

Immediate action is required following contact with 1-nitroethane. For skin contact, remove contaminated clothing and wash the affected area with soap and plenty of water for at least 15 minutes. In case of eye contact, flush immediately with clean water for 15-20 minutes while holding eyelids open. If inhaled, move the person to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention. Always consult a physician after any significant exposure.

How to dispose of 1-nitroethane appropriately?

1-nitroethane must be disposed of as hazardous waste through licensed waste management companies in compliance with local and EU regulations. The substance cannot be discharged into sewers, soil, or water bodies. Small quantities may be treated through controlled incineration at appropriate high-temperature facilities equipped with emission controls. Containers should be triple-rinsed and handled as contaminated waste. Always consult local environmental authorities for specific disposal requirements and approved waste handlers in your region.

How to transport 1-nitroethane?

1-nitroethane is classified under ADR as Class 3 (flammable liquids), Packing Group III, requiring compliance with dangerous goods transport regulations. Packages must bear appropriate hazard labels (flammable liquid) and proper shipping names. Transportation requires suitable packaging that meets UN specification standards and proper documentation including transport documents and emergency response information. Drivers must hold ADR certification for Class 3 substances, and vehicles must be equipped with appropriate safety equipment.

Is 1-nitroethane subject to specific regulations?

1-nitroethane is regulated under several European frameworks including CLP regulation for classification and labeling, requiring GHS02 and GHS07 pictograms with 'Warning' signal word. It falls under REACH regulation requiring registration for manufacture or import above certain tonnages. The substance is not currently listed as an SVHC (Substance of Very High Concern). Users must comply with occupational exposure limits, transport regulations (ADR), and local environmental protection requirements for handling and disposal.

Where to buy 1-nitroethane in Europe?

1-nitroethane is available through OYSI, a specialized European distributor of technical chemicals serving industrial and research customers across Europe. As an established chemical supplier, OYSI can provide this regulated substance to qualified buyers with proper documentation and compliance requirements. Professional customers requiring 1-nitroethane should contact OYSI directly to discuss specifications, quantities, packaging options, and delivery arrangements while ensuring all regulatory requirements are met for their specific applications.

Data Sources

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