1,3-Dimethylpyrazole-5-carboxylic acid

Product Name: 1,3-Dimethylpyrazole-5-carboxylic acid
CAS No.: 5744-56-9
Chemical Name: 1,3-Dimethylpyrazole-5-carboxylic acid
Synonyms: AKOS B013525;AKOS PAO-0271;BUTTPARK 37\06-96;TIMTEC-BB SBB005425;RARECHEM AL BO 2098;ART-CHEM-BB B013525;1,3-Dimethylpyrazole-5-carboxyliccid;3-Dimethylpyrazole-5-carboxylic acid;1,3-DIMETHYLPYRAZOLE-5-CARBOXYLIC ACID;2,5-dimethylpyrazole-3-carboxylic acid
CBNumber: CB6332754
Molecular Formula: C6H8N2O2
Formula Weight: 140.14
MOL File: 5744-56-9.mol

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1,3-Dimethylpyrazole-5-carboxylic acid Property

Melting point:: 208-213 °C
Boiling point:: 302.4±22.0 °C(Predicted)
Density: 1.28±0.1 g/cm3(Predicted)
storage temp.: 2-8°C
solubility: Chloroform (Slightly, Heated), Methanol (Slightly)
form: Solid
pka: 3.11±0.25(Predicted)
color: White
CAS DataBase Reference: 5744-56-9(CAS DataBase Reference)

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Safety

Hazard Codes: Xi,Xn
Risk Statements: 36/37/38-22
Safety Statements: 26-36/37/39-22-24/25
RIDADR: 2811
WGK Germany: 1
HazardClass: IRRITANT
HS Code: 29331990

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 722340
Product name: 1,3-Dimethyl-1H-pyrazole-5-carboxylic acid
Purity: 97%
Packaging: 1g
Price: $108
Updated: 2023/06/20

TCI Chemical

Product number: D5468
Product name: 1,3-Dimethyl-1H-pyrazole-5-carboxylic Acid
Purity: >98.0%(GC)
Packaging: 5g
Price: $93
Updated: 2025/07/31

TCI Chemical

Product number: D5468
Product name: 1,3-Dimethyl-1H-pyrazole-5-carboxylic Acid
Purity: >98.0%(GC)
Packaging: 25g
Price: $275
Updated: 2025/07/31

TRC

Product number: D486888
Product name: 1,3-Dimethyl-1H-pyrazole-5-carboxylic acid
Packaging: 500mg
Price: $60
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FD57080
Product name: 1,3-Dimethyl-1H-pyrazole-5-carboxylic acid
Packaging: 500mg
Price: $65
Updated: 2021/12/16

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1,3-Dimethylpyrazole-5-carboxylic acid Chemical Properties,Usage,Production

Chemical Properties

White or off-white solid

Synthesis

10250-59-6

5744-56-9

1. 1,3-Dimethyl-1H-pyrazole-5-carboxylic acid methyl ester (5.14 kg) was slowly added to 20% aqueous sodium hydroxide solution (10 L) at 0 °C. 2. The reaction mixture was stirred at room temperature for 18 hours and then cooled to 0 °C. 3. Concentrated hydrochloric acid (4.2 L) was added slowly to the reaction mixture over a period of 7 hours. 4. The thick slurry formed was stirred for 18 hours at room temperature. 5. Stirring was continued at room temperature for 18 h. 5. The reaction mixture was filtered and the solid product was washed with water (500 mL). 6. The solid product was dried in a vacuum oven at 70 °C and 26 mmHg for 18 h to give 1,3-dimethyl-1H-pyrazole-5-carboxylic acid (3.8 kg, 81% yield, HPLC purity >97%).

References

[1] Patent: WO2006/48761, 2006, A2. Location in patent: Page/Page column 33
[2] Gazzetta Chimica Italiana, 1956, vol. 86, p. 797,808

1,3-Dimethylpyrazole-5-carboxylic acid Preparation Products And Raw materials

Raw materials

Ethyl 1,3-dimethylpyrazole-5-carboxylate Hydrochloric acid Sodium hydroxide

Preparation Products

5-ISOCYANATO-1,3-DIMETHYL-1H-PYRAZOLE 1,3-Dimethyl-1H-pyrazole-5-carbonyl chloride

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1,3-Dimethylpyrazole-5-carboxylic acid Suppliers

Americas 1 Belgium 1 China 150 Europe 1 Germany 8 India 15 Japan 1 Russia 1 Switzerland 1 United Kingdom 13 United States 34 Global 226

J & K SCIENTIFIC LTD.

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Energy Chemical

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View Lastest Price from 1,3-Dimethylpyrazole-5-carboxylic acid manufacturers

Career Henan Chemical Co

Product: 1,3-Dimethylpyrazole-5-carboxylic acid 5744-56-9
Price: US $1.00/kg
Min. Order: 1kg
Purity: 98%
Supply Ability: 200kg
Release date: 2018-12-20

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2,5-dimethyl-3-pyrazolecarboxylic acid

2,5-dimethylpyrazole-3-carboxylic acid

BUTTPARK 37\06-96

ART-CHEM-BB B013525

1,3-DIMETHYLPYRAZOLE-5-CARBOXYLIC ACID

1,3-DIMETHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID

AKOS PAO-0271

AKOS B013525

RARECHEM AL BO 2098

TIMTEC-BB SBB005425

Pyrazole-5-carboxylic acid, 1,3-dmethyl-

1,3-Dimethyl-1H-pyrazole-5-carboxylic acid ,97%

1,3-Dimethylpyrazole-5-carboxyliccid

1H-pyrazole-5-carboxylic acid, 1,3-dimethyl-

1,3-DiMethyl-1H-pyrazol-5-carboxylic acid

1,3-dimethyl-1H-pyrazole-5-carboxylic acid(SALTDATA: FREE)

1,3-Dimethyl-1H-pyrazole-5-carboxylic acid 98%

3-Dimethylpyrazole-5-carboxylic acid

1,3-Dimethyl-1<i>H</i>-pyrazole-5-carboxylic acid

5744-56-9

5477-56-9

Carboxylic Acids

Pyrazoles & Triazoles

Carboxylic Acids

Pyrazoles & Triazoles

Pyrazole

Heterocycle