4-Methylpyrazole, 97%, Thermo Scientific Chemicals

Product Code	Brand	Quantity	Packaging
10022710	Thermo Scientific Acros 206970010	1 g	Glass bottle
10523571	Thermo Scientific Acros 206970050	5 g	Glass bottle
11966211	Thermo Scientific Acros 206970250	25 g	Glass bottle

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Chemical Identifiers

• CAS: 7554-65-6
• Molecular Weight (g/mol): 82.11
• Synonym: 4-methylpyrazole, fomepizole, antizol, 1h-pyrazole, 4-methyl, fomepizol, 4-methylpyrazol, fomepizolum, fomepizol inn-spanish, fomepizolum inn-latin, fomepizole usan:inn
• ChEBI: CHEBI:5141
• SMILES: CC1=CNN=C1

• Molecular Formula: C₄H₆N₂
• InChI Key: RIKMMFOAQPJVMX-UHFFFAOYSA-N
• PubChem CID: 3406
• IUPAC Name: 4-methyl-1H-pyrazole

Specifications

• CAS: 7554-65-6
• Density: 0.9900g/mL
• Flash Point: 96°C
• Assay Percent Range: 96% min. (GC)
• Refractive Index: 1.4930 to 1.4950
• Merck Index: 15,4253
• Synonym: 4-methylpyrazole, fomepizole, antizol, 1h-pyrazole, 4-methyl, fomepizol, 4-methylpyrazol, fomepizolum, fomepizol inn-spanish, fomepizolum inn-latin, fomepizole usan:inn
• InChI Key: RIKMMFOAQPJVMX-UHFFFAOYSA-N
• IUPAC Name: 4-methyl-1H-pyrazole
• PubChem CID: 3406
• Formula Weight: 82.11
• Physical Form: Liquid After Melting

• Color: Colorless to Yellow
• Boiling Point: 99.0°C to 100.0°C (6.0 mmHg)
• Infrared Spectrum: Authentic
• Molecular Formula: C₄H₆N₂
• Beilstein: 23,65
• Specific Gravity: 0.99
• Solubility Information: Solubility in water: soluble. Other solubilities: soluble in alcohol
• SMILES: CC1=CNN=C1
• Molecular Weight (g/mol): 82.11
• ChEBI: CHEBI:5141
• Percent Purity: 97%
• Chemical Name or Material: 4-Methylpyrazole

Safety and Handling

GHS H Statement
Harmful if swallowed.
Harmful in contact with skin.
Causes severe skin burns and eye damage.

GHS P Statement
Wear protective gloves/protective clothing/eye protection/face protection.
IF SWALLOWED: Rinse mouth.
Do NOT induce vomiting.
IF ON SKIN (or hair): Take off immediately all contaminated clothing.
Rinse skin with wat

GHS Signal Word: Danger

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Product Identifier

• 4-Methylpyrazole

Signal Word

• Danger

Hazard Category

• Acute toxicity Category 4
• Serious eye damage/eye irritation Category 1
• Skin corrosion/irritation Category 1 C

Hazard Statement

• H318-Causes serious eye damage.
• H314-Causes severe skin burns and eye damage.
• H312-Harmful in contact with skin.
• H302-Harmful if swallowed.

Precautionary Statement

• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
• P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
• P310-Immediately call a POISON CENTER/doctor/.

RUO – Research Use Only