Trimethylpentane HPLC Grade Extra Pure

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Trimethylpentane HPLC Grade Extra Pure is a high-purity isomer of octane primarily used as a non-polar solvent in high-performance liquid chromatography. With low UV absorbance and excellent volatility, it is ideal for analytical applications requiring solvent precision and cleanliness. In fuel and petrochemical research, it serves as a reference hydrocarbon and standard for combustion studies. Its high flammability demands careful handling, grounding during transfer, and use in controlled laboratory environments.

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Categories: Analytical Reagents, LABORATORY CHEMICALS, Solvents(lab) Tags: AnalyticalSolvent, C8H18, ChromatographySolvent, ExtraPure, HPLCGrade, HydrocarbonSolvent, Isooctane, nonpolarsolvent, Trimethylpentane

Description

Table of Contents

Trimethylpentane HPLC Grade Extra Pure

PRIMARY USES

Analytical Reagent & Laboratory Applications

Used as a high-purity solvent in HPLC (High-Performance Liquid Chromatography)
Acts as a mobile phase component for non-polar compound separation
Ideal for UV detection systems due to its high volatility and low UV absorbance
Used in method validation, solvent gradient optimization, and standardization
Functions as a diluent or sample preparation solvent in petrochemical labs

Calibration and Reference Standards

Employed as a reference compound for octane rating in fuel analysis
Used as a retention time marker in chromatographic systems

SECONDARY USES

Petrochemical and Fuel Research (lab scale)

Acts as a model hydrocarbon in research on combustion and volatility
Used in the development of gasoline formulations and engine testing studies

PRODUCT KEY FEATURES

Basic Identification Attributes
Chemical Name: 2,2,4-Trimethylpentane
CAS Number: 540-84-1
HS Code: 2901.10.90
Molecular Formula: C₈H₁₈
Synonyms: Isooctane, Iso-octane, TMP, 2,2,4-Trimethylpentane
Physical & Chemical Properties
Physical State: Liquid
Color & Odor: Clear, colorless with mild hydrocarbon odor
Boiling Point: ~99.3 °C
Melting Point: −107.4 °C
Density/Specific Gravity: ~0.692 g/cm³ at 20 °C
Solubility: Insoluble in water, miscible with most organic solvents
Vapor Pressure: ~52 mmHg at 20 °C
Flash Point: −12 °C (closed cup)
Autoignition Temperature: 415 °C
Viscosity: Very low (mobile liquid)
Refractive Index: ~1.391 at 20 °C
Safety & Hazard Attributes
Hazard Class (GHS Classification):
– Flammable liquid (Category 2)
– Skin and eye irritant (mild)
– May cause drowsiness or dizziness (Category 3)
NFPA Ratings:
– Health: 1
– Flammability: 3
– Reactivity: 0
Exposure Limits:
– OSHA PEL: 500 ppm
– ACGIH TLV: 300 ppm
Reactivity:
– Stable under normal conditions
– Reacts with strong oxidizing agents
Storage & Handling Attributes
Storage Conditions:
– Store in tightly sealed containers in a cool, flammable chemical storage area
– Keep away from ignition sources and electrostatic discharge
Incompatible Materials:
– Strong oxidizers, acids, halogens
Container Type:
– Use approved containers for flammable solvents (metal or solvent-safe HDPE)
Shelf Life & Expiration Date:
– Typically stable for 2–3 years under recommended storage conditions
Special Handling Requirements:
– Use in well-ventilated areas or fume hoods
– Avoid inhalation of vapors
– Ground equipment during transfer
Regulatory & Compliance Attributes
Regulatory Status:
– Listed under REACH, TSCA, and OSHA
– Controlled as a flammable volatile organic compound
Transportation Restrictions:
– UN Number: UN1262
– Shipping Name: Isooctane
– Hazard Class: 3 (Flammable Liquid)
– Packing Group: II
Waste Disposal Method:
– Dispose of as hazardous waste according to local regulations
Environmental & Health Impact
Ecotoxicity:
– Harmful to aquatic organisms
Persistence in Environment:
– Volatile, degrades in air under photochemical conditions
Carcinogenicity/Mutagenicity:
– Not classified as carcinogenic
Biodegradability:
– Biodegradable under aerobic conditions

SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

Personal Protective Equipment (PPE):
– Wear nitrile gloves and splash-resistant goggles
– Use flame-resistant lab coat
– Ensure adequate ventilation or wear an organic vapor respirator

Handling:
– Keep away from heat, sparks, and open flame
– Avoid breathing vapors or prolonged skin contact
– Wash hands after handling

Storage:
– Store in a flammable solvent cabinet
– Keep container tightly closed and properly labeled
– Protect from direct sunlight and incompatible chemicals