1.09686
n-Heptane
reference substance for gas chromatography
Synonym(s):
Heptane
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About This Item
Product Name
n-Heptane, reference substance for gas chromatography
SMILES string
CCCCCCC
InChI
1S/C7H16/c1-3-5-7-6-4-2/h3-7H2,1-2H3
InChI key
IMNFDUFMRHMDMM-UHFFFAOYSA-N
vapor density
3.5 (vs air)
vapor pressure
40 mmHg ( 20 °C)
83 mmHg ( 37.7 °C)
assay
≥99.5% (GC)
form
liquid
autoignition temp.
433 °F
potency
>5000 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rabbit)
expl. lim.
7 %
technique(s)
gas chromatography (GC): suitable
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
Quality Level
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Analysis Note
Identity (IR): conforms
signalword
Danger
Hazard Classifications
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
3 - Flammable liquids
wgk
WGK 2
flash_point_f
24.8 °F
flash_point_c
-4 °C
Regulatory Information
Certificates of Analysis (COA)
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