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

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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 substituted pyridine derivative with chloromethyl and dimethoxy functional groups used in pharmaceutical synthesis. This specialized organic compound represents an important intermediate in pharmaceutical and fine chemical manufacturing processes. With its molecular formula C8H11Cl2NO2 and molecular weight of 224.08 g/mol, this pyridine derivative combines reactive chloromethyl functionality with methoxy substituents, making it valuable for various synthetic applications. The compound is classified under EC number 416-440-5 and requires careful handling due to its significant hazard profile. The substance presents multiple safety concerns, classified as Acute Tox. 4 with skin irritation properties (Skin Irrit. 2), eye damage potential (Eye Dam. 1), skin sensitization capability (Skin Sens. 1), and specific target organ toxicity upon repeated exposure (STOT RE 2). The GHS pictograms GHS05, GHS07, GHS08, and GHS09 indicate corrosive, harmful, health hazard, and environmental hazard properties respectively. Transportation falls under ADR Class 9 miscellaneous dangerous goods, reflecting its specialized handling requirements. Primary industrial applications include pharmaceutical intermediate synthesis, particularly in the development of complex heterocyclic compounds, and as a building block in agrochemical manufacturing. The compound's structure makes it suitable for nucleophilic substitution reactions and coupling processes. Related compounds such as benzene-1,4-diol share similar applications in pharmaceutical synthesis, though with different reactivity profiles. This technical-grade chemical requires appropriate safety protocols including proper ventilation, personal protective equipment, and environmental containment measures. OYSI maintains reliable supply chains for this specialized intermediate, supporting European pharmaceutical and chemical manufacturing requirements.

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, existing 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 toxicological properties.

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

2-(chloromethyl)-3,4-dimethoxypyridine hydrochloride is a solid crystalline compound at room temperature, typical of hydrochloride salts. As a pyridine derivative with methoxy groups, it likely exhibits moderate polarity and water solubility due to the hydrochloride form. The presence of chlorine and nitrogen atoms contributes to its chemical reactivity, while the methoxy groups influence its solubility characteristics in organic solvents.

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

2-(chloromethyl)-3,4-dimethoxypyridine hydrochloride serves as an important intermediate in pharmaceutical and fine chemical synthesis. The chloromethyl group acts as a reactive site for nucleophilic substitution reactions, while the methoxy-substituted pyridine core provides a valuable building block for drug development and specialty chemical manufacturing. It is primarily used in research and development applications within the pharmaceutical industry.

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 coats. Work in well-ventilated areas or under fume hoods to prevent inhalation exposure. Avoid skin and eye contact, and ensure proper hygiene practices including thorough handwashing after handling.

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

2-(chloromethyl)-3,4-dimethoxypyridine hydrochloride should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from incompatible materials. Keep containers protected from moisture and light to prevent degradation. Store separately from strong bases, oxidizing agents, and reducing agents. Maintain storage temperatures below 25°C and ensure proper labeling with hazard information. Regular inventory checks should be performed to monitor container integrity.

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

Immediate action is required upon contact with 2-(chloromethyl)-3,4-dimethoxypyridine hydrochloride. For skin contact, remove contaminated clothing and wash thoroughly with soap and water for at least 15 minutes. In case of eye contact, flush immediately with water for 15-20 minutes and seek medical attention due to potential eye damage. If inhaled, move to fresh air immediately. Seek medical advice if symptoms persist or worsen.

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

2-(chloromethyl)-3,4-dimethoxypyridine hydrochloride must be disposed of as hazardous chemical waste in accordance with local and national regulations. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Never dispose of this substance down drains, in regular trash, or by burning. Maintain detailed waste disposal records and follow your organization's chemical waste management protocols to ensure regulatory compliance.

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

2-(chloromethyl)-3,4-dimethoxypyridine hydrochloride is classified as ADR Class 9 (Miscellaneous Dangerous Substances), Packing Group III for transportation. This classification requires appropriate packaging, labeling, and documentation according to dangerous goods regulations. Transport vehicles must display proper placards, and drivers need hazmat certification. Shipping documents must include proper shipping names, UN numbers, and emergency contact information to ensure safe transport compliance.

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

2-(chloromethyl)-3,4-dimethoxypyridine hydrochloride is subject to REACH regulation in Europe, requiring registration for commercial use above threshold quantities. It falls under CLP regulation with mandatory hazard classification and labeling requirements. While not currently listed as SVHC, its hazardous properties require compliance with occupational health and safety regulations, environmental protection laws, and proper chemical inventory reporting in most jurisdictions.

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

2-(chloromethyl)-3,4-dimethoxypyridine hydrochloride is available through OYSI, a specialized European distributor of chemical products. As a professional chemical supplier, OYSI provides this compound with proper documentation, safety data sheets, and regulatory compliance support. Contact OYSI directly for availability, specifications, and pricing information. Their expertise ensures you receive quality products meeting European regulatory standards for research and industrial applications.

Data Sources

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