About N-Heptane (CAS 142-82-5)
N-Heptane C7H16 (also broadly known as n hep) is a key aliphatic straight-chain alkane hydrocarbon primarily utilized as a major laboratory non-polar solvent and industrial reaction medium. DPRJ Universal stands out as a leading n-heptane manufacturer and bulk n-heptane supplier in India, offering premium-grade n heptane 99 and $99.5\%$ ultra-high purity batches. We fulfill commercial demands with thorough technical backing, providing a certified n heptane safety data sheet (SDS), full batch analysis, and trusted Certificate of Analysis (COA) compliance for global manufacturers.
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📩 Get Instant Quote ✉️ Email: [email protected]Technical Specifications
- Chemical Name: n-Heptane (Normal Heptane)
- Purity: 99.5% (Minimum Specification)
- CAS No.: 142-82-5 (Registered under n heptane cas number references)
- Appearance: Clear, colorless, highly volatile liquid
- Formula / Configuration: C7H16 (Fulfilling standard n heptane chemical formula and n heptane molecular formula specifications)
- Skeletal Geometry: Straight-chain hydrocarbon CH3(CH2)5CH3), verified by standard n heptane structural formula, n heptane skeletal structure, and n heptane lewis structure mappings.
- Molecular Weight: 100.21 g/mol (Sourced via n heptane molecular weight guidelines)
- Density: 0.684 g/mL at 20 °C (Aligned with n heptane density g ml metrics)
- Freezing Point: -90.6 °C (Documented via n heptane freezing point evaluations)
- Boiling Parameters: 98.4 °C normal boiling temperature, with adjusted parameters searchable under n heptane boiling point under vacuum options.
- Chemical Formula: C7H16
- Packaging: 137 KGS MS DRUM
- Origin: India
Primary Applications & Chemical Notes
- Aromatization Processing: Serves as an essential platform to convert n heptane to toluene. When heated over oxide configurations ($n\\text{ heptane on heating to }773\\text{ K}$), it forms aromatic rings. This conversion pathway—where $n\\text{ heptane on aromatization gives}$ toluene—is highly accelerated when $n\\text{ heptane react with cr2o3}$ or when processed as $n\\text{ heptane in presence of cr2o3}$ over multi-component systems like $n\\text{ heptane cr2o3 al2o3}$ or $n\\text{ heptane cr2o3}$ catalysts.
- Standardized Fuel Calibration: The n heptane octane number is set at absolute $0$. Fuel laboratories confirm that $n\\text{ heptane has octane number}$ zero to establish knock rating baselines alongside isooctane.
- Pharmaceutical Extraction Solvent: Regulated by precise thresholds under the n heptane ich limit. Because the maximum allowable concentration n heptane limit as per ich guidelines is set at $5000\\text{ ppm}$ ($0.5\\%$ Class 3), it serves as a non-toxic alternative to hexane.
- Thermodynamic and Analytical Research: Used to evaluate molecular anomalies, such as how binary systems like n heptane ethanol show which deviation from ideal conditions. It exhibits positive deviations due to weak dispersion-driven n heptane intermolecular forces. Scientists utilize these behaviors to track volatile shifts across changing n heptane vapor pressure barriers, isolating structural configurations via the n heptane ir spectrum to map precise properties across distinct n heptane isomers.
- Specialty Laboratory Reagent: Highly demanded for chemical analysis alongside premium standard benchmarks like n heptane emplura or emsure grades, acting as an optimal extraction medium for industrial processors.
SKU: NH001
MPN: N-HEPTANE-DPRJ-001
Category: Chemicals → Alkanes → N-Heptane
Brand: DPRJ Universal
Price Range (Bulk)
₹190 - ₹200 per kg
Price valid until: 31 Dec 2026
Availability: In Stock for Bulk Orders (Top Ranked among n heptane suppliers)
Customer Rating
⭐ 4.8 / 5
Based on 2,103 verified industrial buyers
“The premium purity of bulk N-Heptane from DPRJ Universal ensures completely predictable crystallization cycles in our pharma extraction line. Excellent consistency and supply logistics.”
— Verified Industrial Buyer, API Production Facility
Shipping & Delivery
Destination: India (Available for domestic bulk delivery and export shipments via premier n-heptane supplier channels)
Shipping Cost: Free (Bulk Orders)
Handling Time: 1–2 Days
Transit Time: 2–5 Days
Return Policy
Return Window: 7 Days (for non-compliant specifications or purity variances)
Return Method: Return By Mail/Pickup Coordination
Return Fees: Free Return (upon validated laboratory quality verification)
Frequently Asked Questions
What is heptane and its primary industrial use?
What is heptane: N-Heptane (C7H16) is an unbranched, straight-chain alkane hydrocarbon. It is primarily utilized as an extraction solvent in pharmaceutical plants, a non-polar solvent in laboratories, an industrial reaction carrier, and a reference fuel component for engine knock rating calibration.
What is the molecular weight and chemical formula of n-Heptane?
The standard n heptane chemical formula and n heptane molecular formula is C7H16. Its calculated n heptane molecular weight stands at approximately $100.21\\text{ g/mol}$.
How is n-Heptane converted to Toluene through aromatization?
Industrially, chemical plants convert n heptane to toluene via a dehydrocyclization reaction. This occurs when raw material is processed at elevated temperatures ($n\\text{ heptane on heating to }773\\text{ K}$) over specialized metallic catalysts like chromium oxide on alumina support frameworks ($n\\text{ heptane cr2o3 al2o3}$ or $n\\text{ heptane cr2o3}$). This pathway outlines how $n\\text{ heptane react with cr2o3}$ or acts when $n\\text{ heptane in presence of cr2o3}$ triggers ring closure, proving that $n\\text{ heptane on aromatization gives}$ toluene as a prime output.
What is the structural formula and skeletal structure of n-Heptane?
The n heptane structural formula indicates a linear hydrocarbon arrangement without any side branching. Its unbranched seven-carbon configuration is mapped cleanly via the n heptane skeletal structure. The exact spatial alignment is detailed via the n heptane lewis structure, showing stable shared single covalent bonds across the generic n heptane formula structure matrix.
What is the octane number of n-Heptane?
The n heptane octane number is established at exactly $0$. Because it easily triggers engine knock under compression, testing protocols declare that $n\\text{ heptane has octane number}$ zero, serving as the definitive lower baseline for measuring gasoline combustion performance.
What are the key physical properties like boiling point and density of n-Heptane?
Important physical metrics include a normal boiling point of 98.4 °C and an n heptane density g ml of 0.684 g/mL at 20 °C. The n heptane freezing point is measured at -90.6 °C. Under altered operational parameters, the n heptane boiling point under vacuum drops predictably based on applied system pressure.
What is the concentration limit for n-Heptane as a residual solvent under ICH guidelines?
Under active ICH Q3C guidelines, n-Heptane is recognized as a Class 3 low-toxicity option. The official n heptane ich limit and n heptane limit as per ich specification allows up to $5000\\text{ ppm}$ (or $0.5\\%$) of residual content in pharmaceutical compounds, making it a reliable processing choice.
Is n-Heptane hazardous and what are the handling guidelines on its safety data sheet?
Yes, it is classified as a highly flammable liquid and vapor that can induce dermal irritation or central nervous system drowsiness. The n heptane safety data sheet mandates storage in spark-proof enclosures, effective ground bonding connections to prevent static discharge, and full respiratory protection inside restricted areas.
What grades of n-Heptane do manufacturers and suppliers offer?
As an industrial n-heptane manufacturer and bulk n-heptane supplier, DPRJ Universal provides technical commercial grade, Laboratory Reagent (LR) grade, and ultra-pure HPLC grade liquids. Our material meets strict analytical requirements comparable to branded alternatives like n heptane emplura or emsure grades used in advanced gas chromatography.
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