Industrial chemicals · Taylor, TX
Certificate of Analysis

Sample Certificate of Analysis

n-Heptane 99% ACS

99%

Certificate #
TYP-NHEPTANE99AC
Lot Number
TYPICAL SAMPLE
Test Date
Category
Hydrocarbon & Oxygenated Solvents (A)
CAS Number
142-82-5
Formula
C7H16
Computed Assay
99.00%(100 − Σ impurities)
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Sample COA. Lot-specific COAs ship with each order.

2D chemical structure of n-Heptane 99% ACS
Structure · PubChem
Last reviewed 2026-05-20.

COA · Answer summary

Typical certificate of analysis for n-Heptane 99% ACS. Lot-specific results ship with every order.

Assay (computed)
99.00%

Specifications

ParameterSpecificationTypical ResultTest Method
Assay (GC-FID)98.5 – 99.5 %99 %GC-FID
Appearance/OdorVisual Inspection
Color (APHA)≤ 10 APHA2 APHAASTM D1209
Distillation Range92 – 100 °C96.5 °CASTM D1078
Residue/Non-volatile≤ 0.0025 %Residue on Ignition
Specific Gravity @20°C0.6422 – 0.687 g/mL0.676 g/mLHydrometer @ 25°C
Sulfate (SO4)≤ 5 ppmIon Chromatography
Sulfur≤ 0.005 %0 %Per specification
Water (Karl Fischer)≤ 0.05 %0 %ASTM E203 / ISO 6296

Generated . Published by Alliance Chemical from first-party canonical product data. Our authority is hands-on chemical handling, DOT/GHS-compliant shipping, and government-registered distribution — not bench chemistry. Values are representative of typical production lots and reflect the published specification range. Lot-specific COAs are provided with every shipment.