Cas no 104-90-5 (5-Ethyl-2-methylpyridine)

5-Ethyl-2-methylpyridine is a heterocyclic organic compound with the molecular formula C8H11N, featuring an ethyl and methyl substituent on a pyridine ring. This compound is commonly utilized as an intermediate in pharmaceutical and agrochemical synthesis due to its reactive pyridine core and functional group versatility. Its structural properties facilitate modifications for developing active ingredients, catalysts, or ligands in coordination chemistry. The compound exhibits moderate stability under standard conditions, making it suitable for various synthetic applications. Its distinct substitution pattern can influence electronic and steric effects in target molecules, offering tailored reactivity for specialized chemical processes.
5-Ethyl-2-methylpyridine structure
5-Ethyl-2-methylpyridine structure
Product Name:5-Ethyl-2-methylpyridine
CAS No:104-90-5
MF:C8H11N
MW:121.179641962051
MDL:MFCD00006344
CID:35300
PubChem ID:7728
Update Time:2025-05-20

5-Ethyl-2-methylpyridine Chemical and Physical Properties

Names and Identifiers

    • 5-Ethyl-2-methylpyridine
    • 5-Ethyl-2-picoline
    • 2-Methyl-5-Ethylyridine
    • 2-Methyl-5-Ethylpyridine
    • 2-Picoline,5-ethyl
    • 3-Ethyl-6-methylpyridine
    • 5-ethyl-2-methyl-pyridine
    • Aldehydecollidine
    • Aldehydine
    • Aldehydkollidin
    • Ethyl-5 methyl-2 pyridine
    • MEP
    • Pyridine,5-ethyl-2-methyl
    • NSC 1984
    • FEMA 3546
    • 2,5-Aldehydine
    • FEMA NUMBER 3546
    • 5-ethyl-2-picolin
    • 5-Ethyl-α-picoline
    • ALDEHYDE-COLLIDINE
    • MDL: MFCD00006344
    • Inchi: 1S/C8H11N/c1-3-8-5-4-7(2)9-6-8/h4-6H,3H2,1-2H3
    • InChI Key: NTSLROIKFLNUIJ-UHFFFAOYSA-N
    • SMILES: CCC1C=NC(C)=CC=1
    • BRN: 109269

Computed Properties

  • Exact Mass: 121.08900
  • Monoisotopic Mass: 121.089
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 1
  • Heavy Atom Count: 9
  • Rotatable Bond Count: 1
  • Complexity: 80.6
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: 2
  • Topological Polar Surface Area: 12.9A^2

Experimental Properties

  • Color/Form: colorless liquid
  • Density: 0.919?g/mL?at 25?°C(lit.)
  • Melting Point: -70.9 oC
  • Boiling Point: 178°C(lit.)
  • Flash Point: Degrees Fahrenheit:158°F
    Degrees Celsius:70°C
  • Refractive Index: n20/D 1.497(lit.)
  • Solubility: 12.0g/l
  • Water Partition Coefficient: Almost insoluble
  • Stability/Shelf Life: Stable. Hygroscopic. Combustible. Incompatible with strong oxidizing agents.
  • PSA: 12.89000
  • LogP: 1.95240
  • Merck: 3844
  • FEMA: 3546
  • Solubility: Soluble in ethanol \ ether \ benzene \ dilute acid and concentrated sulfuric acid, almost insoluble in water

5-Ethyl-2-methylpyridine Security Information

  • Symbol: GHS05 GHS06
  • Prompt:dangerous
  • Signal Word:Danger
  • Hazard Statement: H301,H314,H331
  • Warning Statement: P261,P280,P305+P351+P338,P310
  • Hazardous Material transportation number:UN 2300 6.1/PG 3
  • WGK Germany:3
  • Hazard Category Code: 20/21/22-34
  • Safety Instruction: S26-S36/37/39-S45-S61
  • RTECS:TJ6825000
  • Hazardous Material Identification: C N
  • Packing Group:III
  • Hazard Level:6.1
  • Safety Term:6.1
  • Packing Group:III
  • Risk Phrases:R20/21/22; R34
  • HazardClass:6.1
  • PackingGroup:III
  • TSCA:Yes
  • Storage Condition:Keep away from high temperature \ sparks and flames, and keep away from fire sources Store in tightly closed containers Avoid contact with oxidizing materials Store in a cool \ dry \ well ventilated area, away from incompatible substances \ corrosive substances Avoid moisture. Do not store in copper or copper alloy containers

5-Ethyl-2-methylpyridine Customs Data

  • HS CODE:2942000000
  • Customs Data:

    China Customs Code:

    2933399090

    Overview:

    2933399090. Other compounds with non fused pyridine rings in structure. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to, Please indicate the appearance of Urotropine, 6- caprolactam please indicate the appearance, Signing date

    Summary:

    2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

5-Ethyl-2-methylpyridine Pricemore >>

Related Categories No. Product Name Cas No. Purity Specification Price update time Inquiry
SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd.
E101695-25ml
5-Ethyl-2-methylpyridine
104-90-5 97%
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¥83.90 2023-09-03
SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd.
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SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd.
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SHANG HAI YI EN HUA XUE JI SHU Co., Ltd.
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SHANG HAI YI EN HUA XUE JI SHU Co., Ltd.
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Matrix Scientific
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Matrix Scientific
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SHANG HAI MAI KE LIN SHENG HUA Technology Co., Ltd.
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5-Ethyl-2-methylpyridine Production Method

5-Ethyl-2-methylpyridine Suppliers

Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:104-90-5)5-Ethyl-2-methylpyridine
Order Number:LE14911;LE1686066
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 12:11
Price ($):discuss personally
Suzhou Senfeida Chemical Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:104-90-5)5-Ethyl-2-picoline
Order Number:1686066
Stock Status:in Stock
Quantity:Company Customization
Purity:98%
Pricing Information Last Updated:Monday, 14 April 2025 18:23
Price ($):discuss personally

5-Ethyl-2-methylpyridine Related Literature

Additional information on 5-Ethyl-2-methylpyridine

Comprehensive Overview of 5-Ethyl-2-methylpyridine (CAS No. 104-90-5): Properties, Applications, and Industry Insights

5-Ethyl-2-methylpyridine (CAS No. 104-90-5), a versatile organic compound, belongs to the pyridine derivative family. Its molecular structure, featuring an ethyl group at the 5-position and a methyl group at the 2-position of the pyridine ring, grants it unique chemical properties. This compound is widely studied for its applications in pharmaceuticals, agrochemicals, and specialty chemicals. With the increasing demand for heterocyclic compounds in research and industrial processes, 5-Ethyl-2-methylpyridine has garnered significant attention.

One of the most frequently searched questions about 5-Ethyl-2-methylpyridine is its synthesis method. The compound is typically synthesized via condensation reactions or catalytic processes involving pyridine derivatives. Researchers often explore its solubility in organic solvents like ethanol, acetone, and dichloromethane, which is critical for its application in formulations. Additionally, its boiling point (approximately 180–185°C) and molecular weight (121.18 g/mol) are key physicochemical parameters for industrial use.

In the pharmaceutical sector, 5-Ethyl-2-methylpyridine serves as a building block for active pharmaceutical ingredients (APIs). Its structural motif is found in compounds with potential anti-inflammatory and antimicrobial properties. Recent trends in green chemistry have also spurred interest in optimizing its synthesis to reduce environmental impact, aligning with global sustainability goals.

The agrochemical industry leverages 5-Ethyl-2-methylpyridine in the development of crop protection agents. Its role as an intermediate in pesticide synthesis highlights its importance in enhancing agricultural productivity. With the rise of precision farming, demand for high-purity pyridine derivatives has surged, making this compound a focal point for manufacturers.

From a commercial perspective, 5-Ethyl-2-methylpyridine is traded as a fine chemical, with suppliers emphasizing high-purity grades (≥98%) for research and industrial applications. Analytical techniques like GC-MS and HPLC are commonly employed to verify its purity. The compound’s stability under standard storage conditions (room temperature, inert atmosphere) further enhances its usability.

Emerging applications of 5-Ethyl-2-methylpyridine include its use in electronic materials and catalysis. For instance, it acts as a ligand in transition metal complexes, which are pivotal in homogeneous catalysis. This aligns with the growing interest in energy-efficient chemical processes, a hot topic in modern chemistry.

Safety and handling of 5-Ethyl-2-methylpyridine are also frequently discussed. While it is not classified as hazardous under standard regulations, proper laboratory practices—such as using gloves and ventilation—are recommended. This aligns with broader industry shifts toward occupational safety and regulatory compliance.

In summary, 5-Ethyl-2-methylpyridine (CAS No. 104-90-5) is a multifaceted compound with expanding applications across diverse sectors. Its synthesis, properties, and industrial relevance make it a subject of ongoing research and commercial interest. As industries evolve toward sustainable and efficient solutions, this pyridine derivative is poised to play an increasingly vital role.

Recommended suppliers
Tiancheng Chemical (Jiangsu) Co., Ltd
(CAS:104-90-5)5-Ethyl-2-methylpyridine
LE14911;LE1686066
Purity:99%/99%
Quantity:25KG,200KG,1000KG/25KG,200KG,1000KG
Price ($):Inquiry/Inquiry
Email
Suzhou Senfeida Chemical Co., Ltd
(CAS:104-90-5)5-Ethyl-2-picoline
1686066
Purity:98%
Quantity:Company Customization
Price ($):Inquiry
Email