Technical Data Sheet, Heptane
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Description
| Catalogue Number | |
| Synonyms | 205-563-8, Septane, CAS 142-82-5 |
| Overview | n-Heptane is a colorless, flammable, non-polar liquid hydrocarbon with a mild gasoline-like odor. It is a straight-chain alkane composed of seven carbon atoms and is commonly used as a solvent, reference fuel, and in laboratory applications. |
Product Information
n-Heptane is a high-purity, straight-chain aliphatic hydrocarbon (C₇H₁₆) commonly used as a non-polar solvent in industrial and laboratory settings. It is a clear, colorless liquid with a mild gasoline-like odor and a low boiling point (~98 °C), making it suitable for applications requiring fast evaporation and minimal residue.
n-Heptane is widely used in the formulation of adhesives, coatings, and rubber products, as well as in chromatographic analysis and organic synthesis. In the fuel industry, it serves as a reference standard for determining octane ratings.
The product is available in various purity grades, including analytical, technical, and pharmaceutical, depending on application needs. Due to its flammability and volatile nature, it should be handled with care and stored according to safety guidelines.
| Formula | C7H16 |
| Molar mass (M) | 100,21 g/mol |
| Density | 0,684 g/cm³ |
| Boiling point (bp) | ~98,4 °C |
| Flash point | -4 °C |
| Melting point | -90°C |
Application(s)
Solvent in paints, coatings, rubber, and adhesives
Laboratory use in chromatography and organic synthesis
Used as a reference fuel for octane rating in engines
Involved in extraction processes and formulations where a low-polarity solvent is needed
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Safety Information according to GHS
| Hazard Pictogram(s) |     |
| Hazard Statement(s) | H225: Highly flammable liquid and vapour. H225 Highly flammable liquid and vapour. H304 May be fatal if swallowed and enters airways. H315 Causes skin irritation. H336 May cause drowsiness or dizziness. H410 Very toxic to aquatic life with long lasting effects. |
| Precautionary Statement(s) | P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P271 Use only outdoors or in a well-ventilated area. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/intrinsically safe equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P261 Avoid breathing mist/vapours/spray. P273 Avoid release to the environment. P280 Wear protective gloves and protective clothing. P264 Wash all exposed external body areas thoroughly after handling. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER/doctor/physician/first aider. P331 Do NOT induce vomiting. P370+P378 In case of fire: Use alcohol resistant foam or normal protein foam to extinguish. P312 Call a POISON CENTER/doctor/physician/first aider/if you feel unwell. P391 Collect spillage. P302+P352 IF ON SKIN: Wash with plenty of water and soap. P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water [or shower]. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P332+P313 If skin irritation occurs: Get medical advice/attention. P362+P364 Take off contaminated clothing and wash it before reuse. |
| Signal Word | Danger |
| Storage class | 3 Flammable liquids |
| WGKs | WGK 1 slightly hazardous to water |
| Disposal | Dispose of contents/container to authorised hazardous or special waste collection point in accordance with any local regulation.. |
Storage and Transport Information
| Storage | Store below in a well ventilated area. |
| Declaration (railroad and road) ADR, RID | UN 1206 , 3, II |
| Declaration (transport by air) IATA-DGR | UN 1206 , 3, II |
| Declaration (transport by sea) IMDG-Code | UN 1206 , 3, II |
Toxicological Information
| LD 50 oral | LD50 Rat 5000 mg/kg |
| LD 50 dermal | LD50 Rabbit 20000 mg/kg |
