2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride

C8H11Cl2NO2

CAS72830-09-2
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
GHS08 Gefahrensymbol: Gesundheitsgefahr – Gesundheitsgefahr
GHS05 Gefahrensymbol: Ätzend – Ätzwirkung
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

Consulting for 2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride

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Identification

CAS Number
72830-09-2
EC Number
416-440-5
UN Number
3077
Index Number
613-215-00-5
PubChem CID
16216928

Physical-chemical properties

Molecular Formula
C8H11Cl2NO2
Molar Mass
224.08 g/mol
IUPAC Name
2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride

Chemical Identifiers

InChI
InChI=1S/C8H10ClNO2.ClH/c1-11-7-3-4-10-6(5-9)8(7)12-2;/h3-4H,5H2,1-2H3;1H
InChI Key
YYRIKJFWBIEEDH-UHFFFAOYSA-N

Overview

2-(chloromethyl)-3,4-dimethoxypyridine hydrochloride (CAS 72830-09-2) is a chlorinated pyridine derivative with methoxy substituents and enhanced solubility properties. This specialized organic compound belongs to the family of substituted pyridines, featuring a unique combination of functional groups that make it valuable for various chemical synthesis applications. With the molecular formula C8H11Cl2NO2 and a molecular weight of 224.08 g/mol, this hydrochloride salt exhibits improved stability and handling characteristics compared to its free base form. The presence of both chloromethyl and dimethoxy substituents on the pyridine ring provides multiple reactive sites for further chemical modifications. The compound presents significant safety considerations, classified under multiple hazard categories including acute toxicity, skin and eye irritation, skin sensitization, and specific target organ toxicity. The "Danger" signal word and associated GHS pictograms (GHS05, GHS07, GHS08, GHS09) indicate the need for appropriate personal protective equipment and handling procedures. Its classification as ADR Class 9 (miscellaneous dangerous goods) requires specialized transportation protocols. In industrial applications, 2-(chloromethyl)-3,4-dimethoxypyridine hydrochloride serves primarily as an intermediate in pharmaceutical synthesis, particularly in the development of compounds structurally related to benzene-1,4-diol derivatives. It also finds use in agrochemical manufacturing and specialty chemical production where selective functionalization of pyridine rings is required. The compound's reactivity profile makes it suitable for nucleophilic substitution reactions and cross-coupling chemistry. OYSI provides this technical-grade chemical compound to qualified industrial customers across Europe, supporting pharmaceutical and chemical manufacturing operations with reliable supply chain solutions.

Safety & Classification

Danger
Classification:

Acute Tox. 4 *; Acute Tox. 4 *; STOT RE 2 *; Skin Irrit. 2; Eye Dam. 1; Skin Sens. 1; Aquatic Chr...

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H312

Harmful in contact with skin.

H302

Harmful if swallowed.

H373

May cause damage to organs through prolonged or repeated exposure.

H315

Causes skin irritation.

H318

Causes serious eye damage.

H317

May cause an allergic skin reaction.

H411

Toxic to aquatic life with long lasting effects.

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:

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 Number3077
ADR Class9
Packing GroupIII
Tunnel Code-
Proper Shipping Name2-Chlormethyl-3,4-dimethoxypyridiniumchlorid
Marine PollutantNo

Frequently Asked Questions

What is 2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride?

2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride is an organic chemical compound with the molecular formula C8H11Cl2NO2 and CAS number 72830-09-2. This pyridine derivative features a chloromethyl group and two methoxy substituents on the pyridine ring, supplied as a hydrochloride salt. With a molecular weight of 224.08 g/mol, it is classified as a hazardous substance requiring careful handling due to its toxicity and irritant properties.

What are the physicochemical properties of 2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride?

2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride is a solid compound at room temperature, typically appearing as a crystalline powder. As a hydrochloride salt, it exhibits good water solubility, which is characteristic of organic hydrochloride compounds. The presence of methoxy groups and the chloromethyl substituent influences its polarity and solubility profile. The compound's exact melting point, boiling point, and detailed solubility data should be confirmed through technical documentation.

What is 2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride used for?

2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride is primarily used as an intermediate in pharmaceutical and fine chemical synthesis. The chloromethyl group serves as a reactive handle for further chemical transformations, while the methoxy-substituted pyridine core provides a valuable building block for drug development. It is commonly employed in research and development applications, particularly in medicinal chemistry for the synthesis of bioactive compounds and pharmaceutical intermediates.

How to handle 2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride safely?

2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride requires careful handling due to its classification as Acute Tox. 4, Skin Irrit. 2, Eye Dam. 1, and Skin Sens. 1. Essential PPE includes chemical-resistant gloves, safety goggles, and lab coat. Work in a well-ventilated area or fume hood to avoid inhalation. Prevent skin and eye contact, and avoid generating dust. Use appropriate handling tools and ensure proper training before use. Emergency eyewash and shower facilities should be readily accessible.

How to store 2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride properly?

2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride should be stored in a cool, dry, well-ventilated area away from incompatible materials. Keep containers tightly closed and protected from moisture and heat sources. Store in original labeled containers in a designated chemical storage area with appropriate safety measures. Due to its hazardous classification, ensure storage complies with local regulations and is separated from food, feed, and living areas. Regular inventory and condition checks are recommended.

What to do in case of contact with 2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride?

Immediate action is required due to the compound's eye damage and skin irritation potential. For eye contact, rinse immediately with plenty of water for at least 15 minutes and seek medical attention. For skin contact, wash thoroughly with soap and water, remove contaminated clothing. If inhaled, move to fresh air immediately. In case of ingestion, do not induce vomiting and seek medical attention. Always consult the safety data sheet for complete first aid procedures.

How to dispose of 2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride appropriately?

2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride disposal must comply with local, national, and EU waste regulations due to its hazardous classification. The compound should be treated as hazardous waste and disposed of through licensed waste management companies. Never discharge into drains, waterways, or soil due to its aquatic toxicity classification. Contaminated packaging should also be treated as hazardous waste. Contact local authorities or waste management specialists for specific disposal requirements in your region.

How to transport 2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride?

2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride is classified under ADR Class 9 (Miscellaneous dangerous substances), Packing Group III. This classification requires appropriate packaging, labeling, and documentation for transport. Use UN-approved packaging and ensure proper hazard labels are affixed. Transport documents must include the correct shipping name, UN number, and hazard class. Only use qualified carriers experienced in handling Class 9 dangerous goods and ensure compliance with ADR regulations.

Is 2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride subject to specific regulations?

2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride is subject to EU CLP regulation due to its hazardous classification requiring GHS pictograms (GHS05, GHS07, GHS08, GHS09) and 'Danger' signal word. It falls under REACH regulation requiring registration for manufacture or import above one tonne annually. The compound is not currently listed as an SVHC (Substance of Very High Concern). Users must comply with occupational safety regulations and may need to conduct chemical safety assessments depending on use quantities.

Where to buy 2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride in Europe?

2-(chloromethyl)-3,4-dimethoxypyridine;hydrochloride is available through OYSI, a European chemical distributor specializing in fine chemicals and pharmaceutical intermediates. As a professional supplier, OYSI ensures proper handling, packaging, and regulatory compliance for hazardous substances. Contact OYSI directly for availability, specifications, and technical support. Due to the compound's hazardous nature, purchases typically require appropriate business credentials and compliance with relevant regulations for professional use only.

Data Sources

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