1.04379

Supelco

n-Heptane

for analysis EMSURE® Reag. Ph Eur

Synonym(s):
Heptane
Linear Formula:
CH3(CH2)5CH3
CAS Number:
Molecular Weight:
100.20
Beilstein/REAXYS Number:
1730763
MDL number:
EC Index Number:
205-563-8

storage conditions

Store at +5°C to +30°C.

Quality Level

Agency/Method

reag. Ph. Eur.

vapor density

3.5 (vs air)

vapor pressure

40 mmHg ( 20 °C)
83 mmHg ( 37.7 °C)

assay

≥99% (GC)

form

liquid

autoignition temp.

433 °F

potency

>5000 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rabbit)

expl. lim.

7 %

impurities

≤0.0005% Free acid (as CH3COOH)
≤0.005% Sulfur compounds (as S)
≤0.1% Aromatic hydrocarbons (as C6H6)

refractive index

n20/D 1.387 (lit.)

bp

98 °C (lit.)

mp

−91 °C (lit.)

transition temp

flash point -4 °C

density

0.684 g/mL at 25 °C (lit.)

storage temp.

2-30°C

SMILES string

CCCCCCC

InChI

1S/C7H16/c1-3-5-7-6-4-2/h3-7H2,1-2H3

InChI key

IMNFDUFMRHMDMM-UHFFFAOYSA-N

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General description

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.

Analysis Note

Purity (GC): ≥ 99 %
Identity (IR): conforms
Color: ≤ 10 Hazen
Free acid (as CH₃COOH): ≤ 0.0005 %
Density (d 20 °C/20 °C): 0.683 - 0.686
Refractive index (n 20/D): 1.387 - 1.388
Boiling range (97°C-98°C): ≥ 95 % (v/v)
Aromatic hydrocarbons (as C₆H₆): ≤ 0.1 %
Sulfur compounds (as S): ≤ 0.005 %
Readily carbonizable substances: conforms
Al (Aluminium): ≤ 0.00001 %
B (Boron): ≤ 0.000002 %
Ba (Barium): ≤ 0.00001 %
Ca (Calcium): ≤ 0.00005 %
Cd (Cadmium): ≤ 0.000005 %
Co (Cobalt): ≤ 0.000002 %
Cr (Chromium): ≤ 0.000002 %
Cu (Copper): ≤ 0.000002 %
Fe (Iron): ≤ 0.00001 %
Mg (Magnesium): ≤ 0.00001 %
Mn (Manganese): ≤ 0.000002 %
Ni (Nickel): ≤ 0.000002 %
Pb (Lead): ≤ 0.00001 %
Sn (Tin): ≤ 0.00001 %
Zn (Zinc): ≤ 0.00001 %
Evaporation residue: ≤ 0.001 %
Water: ≤ 0.01 %
Ph Eur-reagent

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Signal Word

Danger

hazcat

Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Central nervous system

storage_class_code

3 - Flammable liquids

WGK Germany

WGK 2

Flash Point(F)

24.8 °F

Flash Point(C)

-4 °C

Certificate of Analysis

Certificate of Origin

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