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16034-46-1

16034-46-1 structure
16034-46-1 structure
  • Name: 1-Methylpyrazole-5-carboxylic Acid
  • Chemical Name: 1-Methylpyrazole-5-carboxylic Acid
  • CAS Number: 16034-46-1
  • Molecular Formula: C5H6N2O2
  • Molecular Weight: 126.11
  • Create Date: 2018-02-26 08:00:00
  • Modify Date: 2024-01-02 16:43:05
  • 1-Methyl-5-pyrazolecarboxylic acid is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
Name 1-Methylpyrazole-5-carboxylic Acid
Synonyms 2-methylpyrazole-3-carboxylic acid
1-Methyl-pyrazole-5-carboxylicacid
N-Methylpyrazole-3-carboxylic acid
1H-Pyrazole-5-carboxylic acid, 1-methyl-
N-methyl-pyrazole-3-carboxylic acid
MFCD00464253
1-Methylpyrazole-5-carboxylic acid
2H-Pyrazole-3-carboxylic acid, 2-methyl-
1-Methyl-1H-pyrazole-5-carboxylic acid
2-Methyl-2H-pyrazole-3-carboxylic acid
T5NNJ A1 EVQ
Description 1-Methyl-5-pyrazolecarboxylic acid is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
Related Catalog
Density 1.3±0.1 g/cm3
Boiling Point 306.9±15.0 °C at 760 mmHg
Melting Point 223.5-224.5
Molecular Formula C5H6N2O2
Molecular Weight 126.11
Flash Point 139.4±20.4 °C
Exact Mass 126.042931
PSA 55.12000
LogP -0.36
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.591
1-Methylpyrazole-5-carboxylic Acid Revision number: 5.3
SAFETY DATA SHEET
Section1. IDENTIFICATION
Product name:1-Methylpyrazole-5-carboxylic Acid

Revision number:5.3
Section2. HAZARDS IDENTIFICATION
GHS classification
PHYSICAL HAZARDSNot classified
HEALTH HAZARDS
Skin corrosion/irritationCategory 2
Category 2A
Serious eye damage/eye irritation
ENVIRONMENTAL HAZARDSNot classified
GHS label elements, including precautionary statements
Pictograms or hazard symbols
Signal wordWarning
Hazard statementsCauses skin irritation
Causes serious eye irritation
Precautionary statements:
Wash hands thoroughly after handling.
[Prevention]
Wear protective gloves/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses,
[Response]
if present and easy to do. Continue rinsing.
If eye irritation persists: Get medical advice/attention.
IF ON SKIN: Gently wash with plenty of soap and water.
If skin irritation occurs: Get medical advice/attention.
Take off contaminated clothing and wash before reuse.
Section3. COMPOSITION/INFORMATION ON INGREDIENTS
Substance/mixture:Substance
Components:1-Methylpyrazole-5-carboxylic Acid
Percent:>97.0%(GC)(T)
CAS Number:16034-46-1
Chemical Formula:C5H6N2O2
Section4. FIRST AID MEASURES
Inhalation:Remove victim to fresh air and keep at rest in a position comfortable for breathing.
Get medical advice/attention if you feel unwell.
1-Methylpyrazole-5-carboxylic Acid
Section4. FIRST AID MEASURES
Skin contact:Remove/Take off immediately all contaminated clothing. Gently wash with plenty of
soap and water. If skin irritation or rash occurs: Get medical advice/attention.
Eye contact:Rinse cautiously with water for several minutes. Remove contact lenses, if present
and easy to do. Continue rinsing. If eye irritation persists: Get medical
advice/attention.
Ingestion:Get medical advice/attention if you feel unwell. Rinse mouth.
A rescuer should wear personal protective equipment, such as rubber gloves and air-
Protection of first-aiders:
tight goggles.
Section5. FIRE-FIGHTING MEASURES
Suitable extinguishingDry chemical, foam, water spray, carbon dioxide.
media:
Specific hazards arising Take care as it may decompose upon combustion or in high temperatures to
from the chemical:generate poisonous fume.
Precautions for firefighters: Fire-extinguishing work is done from the windward and the suitable fire-extinguishing
method according to the surrounding situation is used. Uninvolved persons should
evacuate to a safe place. In case of fire in the surroundings: Remove movable
containers if safe to do so.
Special protectiveWhen extinguishing fire, be sure to wear personal protective equipment.
equipment for firefighters:
Section6. ACCIDENTAL RELEASE MEASURES
Personal precautions,Use personal protective equipment. Keep people away from and upwind of spill/leak.
protective equipment and Entry to non-involved personnel should be controlled around the leakage area by
emergency procedures: roping off, etc.
Environmental precautions: Prevent product from entering drains.
Methods and materials for Sweep dust to collect it into an airtight container, taking care not to disperse it.
containment and cleaning Adhered or collected material should be promptly disposed of, in accordance with
up: appropriate laws and regulations.
Section7. HANDLING AND STORAGE
Precautions for safe handling
Technical measures:Handling is performed in a well ventilated place. Wear suitable protective equipment.
Prevent dispersion of dust. Wash hands and face thoroughly after handling.
Use a local exhaust if dust or aerosol will be generated.
Advice on safe handling: Avoid contact with skin, eyes and clothing.
Conditions for safe storage, including any
incompatibilities
Storage conditions:Keep container tightly closed. Store in a cool and dark place.
Store away from incompatible materials such as oxidizing agents.
Packaging material:Comply with laws.
Section8. EXPOSURE CONTROLS / PERSONAL PROTECTION
Engineering controls:Install a closed system or local exhaust as possible so that workers should not be
exposed directly. Also install safety shower and eye bath.
Personal protective equipment
Respiratory protection: Dust respirator. Follow local and national regulations.
Hand protection:Protective gloves.
Safety glasses. A face-shield, if the situation requires.
Eye protection:
Skin and body protection: Protective clothing. Protective boots, if the situation requires.
Section9. PHYSICAL AND CHEMICAL PROPERTIES
Physical state (20°C):Solid
Crystal- Powder
Form:
Colour:White - Almost white
No data available
Odour:
1-Methylpyrazole-5-carboxylic Acid
Section9. PHYSICAL AND CHEMICAL PROPERTIES
pH: No data available
Melting point/freezing point:225°C (dec.)
Boiling point/range:No data available
Flash point:No data available
Flammability or explosive
limits:
Lower:No data available
Upper:No data available
Relative density:No data available
Solubility(ies):
[Water]No data available
[Other solvents]No data available
Log Pow:-0.09
Section10. STABILITY AND REACTIVITY
Chemical stability:Stable under proper conditions.
Possibility of hazardous No special reactivity has been reported.
reactions:
Incompatible materials: Oxidizing agents
Hazardous decomposition Carbon monoxide, Carbon dioxide, Nitrogen oxides (NOx)
products:
Section11. TOXICOLOGICAL INFORMATION
Acute Toxicity:No data available
Skin corrosion/irritation: No data available
Serious eyeNo data available
damage/irritation:
Germ cell mutagenicity: No data available
Carcinogenicity:
IARC =No data available
NTP =No data available
Reproductive toxicity:No data available
Section12. ECOLOGICAL INFORMATION
Ecotoxicity:
Fish:No data available
Crustacea:No data available
No data available
Algae:
Persistence / degradability: No data available
No data available
Bioaccumulative
potential(BCF):
Mobility in soil
Log Pow:-0.09
Soil adsorption (Koc):No data available
Henry's LawNo data available
constant(PaM3/mol):
Section13. DISPOSAL CONSIDERATIONS
Recycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material
with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system.
Observe all federal, state and local regulations when disposing of the substance.
Section14. TRANSPORT INFORMATION
Hazards Class:Does not correspond to the classification standard of the United Nations
UN-No:Not listed
1-Methylpyrazole-5-carboxylic Acid
Section15. REGULATORY INFORMATION
Safe management ordinance of dangerous chemical product (State Council announces on January 26, 2002
and revised on February 16,2011): Safe use and production, the storage of a dangerous chemical, transport,
loading and unloading were prescribed.

SECTION 16 - ADDITIONAL INFORMATION
N/A
Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases 37/39-26
RIDADR NONH for all modes of transport
HS Code 2933199090
930-36-9 structure

930-36-9
124-38-9 structure

124-38-9

~44%

16034-46-1 structure

16034-46-1
Literature: Galapagos NV Patent: WO2009/71706 A1, 2009 ; Location in patent: Page/Page column 48 ; WO 2009/071706 A1
1621-91-6 structure

1621-91-6
77-78-1 structure

77-78-1

~38%

16034-46-1 structure

16034-46-1

25016-20-0 structure

25016-20-0
Literature: J. Gen. Chem. USSR (Engl. Transl.), , vol. 52, # 11 p. 2592 - 2598,2291 - 2296
930-36-9 structure

930-36-9
201230-82-2 structure

201230-82-2

~27%

16034-46-1 structure

16034-46-1
Literature: Takeda Pharmaceutical Company Limited Patent: EP2530078 A1, 2012 ; Location in patent: Page/Page column 64 ;
694-31-5 structure

694-31-5

~77%

16034-46-1 structure

16034-46-1
Literature: Manaev, Yu. A.; Andreeva, M. A.; Perevalov, V. P.; Stepanov, B. I.; Dubrovskaya, V. A.; Seraya, V. I. J. Gen. Chem. USSR (Engl. Transl.), 1982 , vol. 52, # 11 p. 2592 - 2598,2291 - 2296
930-36-9 structure

930-36-9

~%

16034-46-1 structure

16034-46-1
Literature: Journal of the American Chemical Society, , vol. 80, p. 6271,6273 Justus Liebigs Annalen der Chemie, , vol. 625, p. 55,60
27258-33-9 structure

27258-33-9

~99%

16034-46-1 structure

16034-46-1
Literature: Lyalin; Petrosyan Russian Chemical Bulletin, 2012 , vol. 61, # 6 p. 1148 - 1153 Izv. Akad. Nauk, Ser. Khim., 2012 , vol. 61, # 6 p. 1139 - 1143,5
930-36-9 structure

930-36-9
109-72-8 structure

109-72-8
60-29-7 structure

60-29-7

~%

16034-46-1 structure

16034-46-1
Literature: Journal of the American Chemical Society, , vol. 80, p. 6271,6273 Justus Liebigs Annalen der Chemie, , vol. 625, p. 55,60
930-36-9 structure

930-36-9
60-29-7 structure

60-29-7
591-51-5 structure

591-51-5

~%

16034-46-1 structure

16034-46-1
Literature: Journal of the American Chemical Society, , vol. 80, p. 6271,6273 Justus Liebigs Annalen der Chemie, , vol. 625, p. 55,60
HS Code 2933199090
Summary 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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