ChemicalBook >>3-Methylpyrazole>>3-Methylpyrazole(1453-58-3)

3-Methylpyrazole(1453-58-3)

3-Methylpyrazole(1453-58-3)
Product IdentificationBack to Contents
【Product Name】

3-Methylpyrazole
【Synonyms】

3-Methyl-1H-pyrazole
5-Methylpyrazole
【CAS】

1453-58-3
【Formula】

C4H6N2
【Molecular Weight】

82.11
【EINECS】

215-925-7
【RTECS】

UQ7340000
【RTECS Class】

Drug; Reproductive Effector
【Beilstein/Gmelin】

1454
【Beilstein Reference】

5-23-05-00004
【EC Class】

harmful, irritant
Physical and Chemical PropertiesBack to Contents
【Appearance】

Clear very light yellow liquid.
【Solubility in water】

Soluble
【Melting Point】

36 - 37
【Boiling Point】

204
【Vapor Pressure】

0.39 (25 C)
【Density】

1.0227 g/cm3 (14 C)
【pKa/pKb】

10.45 (pKb)
【Partition Coefficient】

.78
【Heat Of Vaporization】

42.2 kJ/mol
【Vapor Density】

2.83
【Refractive Index】

1.4904 (13.7 C)
First Aid MeasuresBack to Contents
【Ingestion】

Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Handling and StorageBack to Contents
【Storage】

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale. Use only in a chemical fume hood. Wash clothing before reuse. Do not breathe vapors.
Hazards IdentificationBack to Contents
【Inhalation】

May cause respiratory tract irritation. Aspiration may lead to pulmonary edema. Harmful if inhaled.
【Skin】

Causes skin irritation.
【Eyes】

Causes eye irritation. May cause chemical conjunctivitis.
【Ingestion】

May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May be harmful if swallowed.
【EC Risk Phrase】

R 22 36/38
【EC Safety Phrase】

S 26 36/37/39
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
【Exposure Effects】

Effects may be delayed.
Fire Fighting MeasuresBack to Contents
【Flash Point】

87
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Clean up spills immediately, using the appropriate protective equipment. Cover with sand, dry lime or soda ash and place in a closed container for disposal. Provide ventilation.
Stability and ReactivityBack to Contents
【Disposal Code】

5
【Stability】

Stable at room temperature in closed containers under normal storage and handling conditions.
【Incompatibilities】

Strong oxidizing agents.
【Decomposition】

Nitrogen oxides, carbon monoxide, carbon dioxide.
Transport InformationBack to Contents
【HS Code】

2933 19 90
Company Name: Shijiazhuang Sdyano Fine Chemical Co., Ltd.
Tel: 0311-89250318 031166536426
Fax: 4000311741
WebSite: http://www.sdynchem.com
Company Name: Zhejiang zetian fine chemical co. LTD
Tel: 0571-0571-87322520 18957127338
Fax: QQ:800182836
WebSite: http://www.zetchem.com
Company Name: Hangzhou Great Forest Biomedical Ltd.
Tel: 0571-28313180 17767135330
Fax: 0571-28313182
WebSite: http://www.great-forest.com/
Company Name: Shanghai Finechem Biotechnology Co., Ltd.
Tel: 15821337685
Fax:
WebSite: www.sh-finechem.com/
Company Name: Shandong Liteng Biotechnology Co., Ltd
Tel: 18663721413
Fax:
WebSite:
Company Name: J & K SCIENTIFIC LTD.
Tel: 010-82848833 400-666-7788
Fax: 86-10-82849933
WebSite: http://www.jkchemical.com
Company Name: PharmaBlock Sciences (Nanjing),Inc.
Tel: 400-0255188 4000255188
Fax: 86-025-86918232
WebSite: www.pharmablock.com/
Company Name: Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel: 4006608290; 18621169109
Fax: 86-21-61259102
WebSite: https://www.meryer.com/cn/index/