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Merck
CN

154873

Heptane

spectrophotometric grade, 99%

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About This Item

Linear Formula:
CH3(CH2)5CH3
CAS Number:
142-82-5
Molecular Weight:
100.20
UNSPSC Code:
12352001
PubChem Substance ID:
57647366
eCl@ss:
39010112
EC Number:
205-563-8
Beilstein/REAXYS Number:
1730763
MDL number:
MFCD00009544

Key Documents

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grade

spectrophotometric grade

vapor density

3.5 (vs air)

vapor pressure

40 mmHg ( 20 °C), 83 mmHg ( 37.7 °C)

assay

99%

autoignition temp.

433 °F

expl. lim.

7 %

impurities

<0.030% water

evapn. residue

<0.0003%

refractive index

n20/D 1.387 (lit.)

bp

98 °C (lit.)

mp

−91 °C (lit.)

solubility

water: insoluble

density

0.684 g/mL at 25 °C (lit.)

λ

H2O reference

UV absorption

λ: 197 nm Amax: 1.00, λ: 210 nm Amax: 0.40, λ: 220 nm Amax: 0.15, λ: 230 nm Amax: 0.05, λ: 260-400 nm Amax: 0.01

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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Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

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 - closed cup

flash_point_c

-4 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SHBC4135V
SHBB7935V
27496TMV
56096APV
56096AP

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S Monadjemi et al.
Environmental science & technology, 45(22), 9582-9589 (2011-09-29)
Photodegradation is seldom considered at the surface of vegetation after crop spraying. Chlorothalonil, a broad-spectrum foliar fungicide with a very widespread use worldwide, was considered. To represent the waxy upper layer of leaves, tests were performed within thin paraffin wax
Thushara Karunasekara et al.
Journal of chromatography. A, 1218(6), 809-816 (2011-01-07)
Partition coefficients for varied compounds were determined for the organic solvent-propylene carbonate biphasic partition system where the organic solvent is n-heptane, isopentyl ether or 1-octanol. These partition coefficient databases are analyzed using the solvation parameter model facilitating a quantitative comparison
Gábor Csordás et al.
PloS one, 9(6), e98191-e98191 (2014-06-04)
In recent years, Drosophila melanogaster has become an attractive model organism in which to study the structure and development of the cellular immune components. The emergence of immunological markers greatly accelerated the identification of the immune cells (hemocytes), while the
Arun K Kota et al.
Advanced materials (Deerfield Beach, Fla.), 24(43), 5838-5843 (2012-08-30)
Hierarchically structured, superoleophobic surfaces are demonstrated that display one of the lowest contact angle hysteresis values ever reported - even with extremely low-surface-tension liquids such as n-heptane. Consequently, these surfaces allow, for the first time, even ≈2 μL n-heptane droplets
Bing Chen et al.
Journal of hazardous materials, 188(1-3), 369-374 (2011-02-26)
The influence of the initial fuel temperature on the burning behavior of n-heptane pool fire was experimentally studied at the State Key Laboratory of Fire Science (SKLFS) large test hall. Circular pool fires with diameters of 100mm, 141 mm, and
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