O-CRESOL-D8

o-Cresol-d8 (CAS No. 2037-26-5）

1. Basic Information

Chemical Name: 2-Methylphenol-d₈ (Perdeuterated o-cresol)Synonyms:2-Hydroxytoluene-d₈Ortho-cresol-d₈CAS Number: 2037-26-5Molecular Formula: C₇D₈OMolecular Weight: 116.19 g/molAppearance: Colorless to pale yellow liquidOdor: Phenolic (similar to non-deuterated o-cresol)Isotopic Purity: ≥98 atom % D (typically ≥99% for analytical standards)

2. Physical and Chemical Properties

Property	Value
Melting Point	28–31°C (82–88°F)
Boiling Point	190–191°C (374–376°F)
Density	1.12 g/cm<sup>3</sup> at 20°C
Refractive Index	1.538–1.542 at 20°C
Solubility	– Water: Slightly soluble
	– Organic solvents: Fully miscible with ethanol, ether
Vapor Pressure	~0.3 mmHg at 25°C

3. Hazards (GHS Classification)

Health Hazards:Causes severe skin burns (H314)Toxic if swallowed/inhaled (H301+H311+H331)Environmental: Not classified (deuterated form typically follows non-labeled analog hazards)NFPA Rating: Health 3, Flammability 2, Reactivity 0

4. Storage and Handling

Storage:Amber glass bottles under inert gas (N₂/Ar)2–8°C for long-term storageHandling:Use in fume hood with gloves (Viton®/neoprene) and eye protectionAvoid contact with oxidizing agents

5. Applications

Analytical Chemistry:Internal standard for GC-MS analysis of phenolic compoundsNMR solvent studies (chemical shift reference)Metabolic Research:Tracer studies in biodegradation pathwaysIsotope dilution mass spectrometry

Disclaimer:

The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.

Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.