CAS # EC Number Hill Formula Chemical Formula Molar Mass Grade Value
۱۴۲-۸۲-۵ ۲۰۵-۵۶۳-۸ C₇H₁₆ CH₃(CH₂)₅CH₃ ۱۰۰٫۲ g/mol Reag. Ph Eur

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Catalogue Number ۱۰۴۳۷۹
Description n-Heptane
Overview EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE® provides worldwide best and most extensive product specifications. We declare our EMSURE® range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.


Product Information
CAS number ۱۴۲-۸۲-۵
EC index number ۶۰۱-۰۰۸-۰۰-۲
EC number ۲۰۵-۵۶۳-۸
Grade Reag. Ph Eur
Hill Formula C₇H₁₆
Chemical formula CH₃(CH₂)₅CH₃
Molar Mass ۱۰۰٫۲ g/mol
HS Code ۲۹۰۱ ۱۰ ۰۰
Structure formula Image

Application n-Heptane for analysis EMSURE® Reag. Ph Eur. CAS 142-82-5, EC Number 205-563-8, chemical formula CH₃(CH₂)₅CH₃.


Physicochemical Information
Boiling point ۹۷ – ۹۸ °C (1013 hPa)
Density ۰٫۶۸ g/cm3 (20 °C)
Explosion limit ۱ – ۷ %(V)
Flash point -۴ °C
Ignition temperature ۲۱۵ °C
Melting Point -۹۰٫۵ °C
Vapor pressure ۴۸ hPa (20 °C)
Solubility ۰٫۰۵ g/l


Safety Information according to GHS
Hazard Pictogram(s)

Hazard Statement(s) 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/sparks/open flames/hot surfaces. No smoking.
P240: Ground/bond container and receiving equipment.
P273: Avoid release to the environment.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
RTECS MI7700000
Storage class ۳ Flammable liquids
WGK WGK 2 water endangering
Disposal ۱
Strongly contaminated halogen-free organic solvents: container A.


Safety Information
Hazard Symbols Flammable
Dangerous for the environment
Categories of danger highly flammable, irritant, harmful, dangerous for the environment
R Phrase R 11-38-65-67-50/53
Highly flammable.Irritating to skin.Harmful: may cause lung damage if swallowed.Vapours may cause drowsiness and dizziness.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase S 9-16-29-33-60-61-62
Keep container in a well-ventilated place.Keep away from sources of ignition – No smoking.Do not empty into drains.Take precautionary measures against static discharges.This material and its container must be disposed of as hazardous waste.Avoid release to the environment. Refer to special instructions/ Safety data sheets.If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label.