4-Methylpicolinic acid

Modify Date: 2024-01-04 19:26:22

4-Methylpicolinic acid Structure
4-Methylpicolinic acid structure
Common Name 4-Methylpicolinic acid
CAS Number 4021-08-3 Molecular Weight 137.136
Density 1.2±0.1 g/cm3 Boiling Point 307.4±22.0 °C at 760 mmHg
Molecular Formula C7H7NO2 Melting Point 137-141 °C
MSDS Chinese USA Flash Point 139.7±22.3 °C
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name 4-Methylpicolinic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 307.4±22.0 °C at 760 mmHg
Melting Point 137-141 °C
Molecular Formula C7H7NO2
Molecular Weight 137.136
Flash Point 139.7±22.3 °C
Exact Mass 137.047684
PSA 50.19000
LogP 0.36
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.561

 MSDS

Material Safety Data Sheet

Section1. Identification of the substance
Product Name: 4-Methylpyridine-2-carboxylic acid
Synonyms:4-methyl-2-pyridinecarboxylic acid

Section2. Hazards identification
Harmful by inhalation, in contact with skin, and if swallowed.
H319:Causes serious eye irritation
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present
and easy to do – continue rinsing

Section3. Composition/information on ingredients.
Ingredient name:4-Methylpyridine-2-carboxylic acid
CAS number:4021-08-3

Section4. First aid measures
Skin contact:Immediately wash skin with copious amounts of water for at least 15 minutes while removing
contaminated clothing and shoes. If irritation persists, seek medical attention.
Eye contact:Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate
flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical
attention.
Inhalation:Remove to fresh air. In severe cases or if symptoms persist, seek medical attention.
Ingestion:Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.

Section5. Fire fighting measures
In the event of a fire involving this material, alone or in combination with other materials, use dry
powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus
should be worn.

Section6. Accidental release measures
Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national
standards.
Respiratory precaution:Wear approved mask/respirator
Hand precaution:Wear suitable gloves/gauntlets
Skin protection:Wear suitable protective clothing
Eye protection:Wear suitable eye protection
Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container
for disposal. See section 12.
Environmental precautions: Do not allow material to enter drains or water courses.

Section7. Handling and storage
Handling:This product should be handled only by, or under the close supervision of, those properly qualified
in the handling and use of potentially hazardous chemicals, who should take into account the fire,
health and chemical hazard data given on this sheet.
Storage:Store in closed vessels.

Section8. Exposure Controls / Personal protection
Engineering Controls: Use only in a chemical fume hood.
Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles.
General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse.

Section9. Physical and chemical properties
Appearance:Not specified
Boiling point:No data
Melting point:No data
Flash point:No data
Density:No data
Molecular formula:C7H7NO2
Molecular weight:137.1

Section10. Stability and reactivity
Conditions to avoid: Heat, flames and sparks.
Materials to avoid: Oxidizing agents.
Possible hazardous combustion products: Carbon monoxide, nitrogen oxides.

Section11. Toxicological information
No data.

Section12. Ecological information
No data.

Section13. Disposal consideration
Arrange disposal as special waste, by licensed disposal company, in consultation with local waste
disposal authority, in accordance with national and regional regulations.

Section14. Transportation information
Non-harzardous for air and ground transportation.

Section15. Regulatory information
No chemicals in this material are subject to the reporting requirements of SARA Title III, Section
302, or have known CAS numbers that exceed the threshold reporting levels established by SARA
Title III, Section 313.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H319
Precautionary Statements P305 + P351 + P338
Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
Risk Phrases 36/37/38
Safety Phrases S26-S36/37/39
RIDADR NONH for all modes of transport
HS Code 2933399090

 Synthetic Route

~85%

4-Methylpicolinic acid Structure

4-Methylpicolin...

CAS#:4021-08-3

Literature: THE UNIVERSITY OF WARWICK Patent: WO2008/17855 A1, 2008 ; Location in patent: Page/Page column 49 ;

~79%

4-Methylpicolinic acid Structure

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CAS#:4021-08-3

Literature: Zhong, Qi-Di; Xue, Yun-Zhou; Yan, Hong; Song, Xiu-Qing; Zhong, Ru-Gang Bioorganic and Medicinal Chemistry Letters, 2010 , vol. 20, # 18 p. 5532 - 5535

~10%

4-Methylpicolinic acid Structure

4-Methylpicolin...

CAS#:4021-08-3

Literature: Angewandte Chemie, , vol. 104, # 6 p. 748 - 749

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4-Methylpicolinic acid Structure

4-Methylpicolin...

CAS#:4021-08-3

Literature: Advanced Synthesis and Catalysis, , vol. 355, # 5 p. 947 - 956

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4-Methylpicolinic acid Structure

4-Methylpicolin...

CAS#:4021-08-3

Literature: Bulletin de la Societe Chimique de France, , p. 648

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4-Methylpicolinic acid Structure

4-Methylpicolin...

CAS#:4021-08-3

Literature: Chemische Berichte, , vol. 88, p. 1276,1281

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4-Methylpicolinic acid Structure

4-Methylpicolin...

CAS#:4021-08-3

Literature: Journal of the Chemical Society, , p. 478

 Customs

HS Code 2933399090
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%

 Synonyms

T6NJ BVQ D1
MFCD03731175
2-Pyridinecarboxylic acid, 4-methyl-
4-Methyl-2-pyridinecarboxylic acid
4-Methylpicolinic acid
4-Methylpyridine-2-carboxylic acid