5-methyl-1H-pyrazole

C4H6N2

CAS1453-58-3

Danger

Consulting for 5-methyl-1H-pyrazole

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Identification

CAS Number: 1453-58-3
EC Number: 215-925-7
UN Number: 3265
Index Number: 613-339-00-X
PubChem CID: 15073

Physical-chemical properties

Molecular Formula: C4H6N2
Molar Mass: 82.10 g/mol
IUPAC Name: 5-methyl-1H-pyrazole

Chemical Identifiers

InChI: InChI=1S/C4H6N2/c1-4-2-3-5-6-4/h2-3H,1H3,(H,5,6)
InChI Key: XKVUYEYANWFIJX-UHFFFAOYSA-N

Overview

5-methyl-1H-pyrazole (CAS: 1453-58-3) is a chemical compound widely used in industry. The molecular formula is C4H6N2. The molar mass is 82.10 g/mol.

Safety & Classification

Danger

Classification:

Repr. 1B; Acute Tox. 4; STOT RE 2; Skin Corr. 1; Eye Dam. 1

GHS Pictograms

Health Hazard

GHS08

Serious health hazard. May cause cancer, organ damage, or genetic defects.

Exclamation Mark

GHS07

Harmful. May cause irritation, allergic reactions, or drowsiness.

Corrosion

GHS05

Corrosive. Causes severe skin burns and eye damage.

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H302

Harmful if swallowed.

H373

May cause damage to organs through prolonged or repeated exposure.

H314

Causes severe skin burns and eye damage.

H318

Causes serious eye damage.

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:

H314

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:

H314 H318

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:

H302

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 Number	3265
ADR Class	8
Packing Group	II
Tunnel Code	E
Proper Shipping Name	3-Methylpyrazol
Marine Pollutant	No

Frequently Asked Questions

What is 5-methyl-1H-pyrazole?

5-methyl-1H-pyrazole (CAS 1453-58-3) is a chemical substance with the formula C4H6N2 used in various industrial applications.

What are the properties of 5-methyl-1H-pyrazole?

5-methyl-1H-pyrazole has a molar mass of 82.10 g/mol. It is classified as Repr. 1B; Acute Tox. 4; STOT RE 2; Skin Corr. 1; Eye Dam. 1. See the technical data above for more details.

How to store 5-methyl-1H-pyrazole safely?

5-methyl-1H-pyrazole should be stored according to the Safety Data Sheet instructions. Follow the GHS labeling and keep the substance in a cool, dry and well-ventilated place.

Is 5-methyl-1H-pyrazole dangerous?

5-methyl-1H-pyrazole carries the signal word "Danger". 3 GHS pictograms apply. Always follow the safety instructions in the data sheet.

Where can I buy 5-methyl-1H-pyrazole?

You can order 5-methyl-1H-pyrazole (CAS 1453-58-3) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.