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Merck
CN

154911

2-Methylbutane

spectrophotometric grade, ≥99%

Synonym(s):

Isopentane

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About This Item

Linear Formula:
CH3CH2CH(CH3)2
CAS Number:
78-78-4
Molecular Weight:
72.15
EC Number:
201-142-8
UNSPSC Code:
12352001
PubChem Substance ID:
57647370
Beilstein/REAXYS Number:
1730723
MDL number:
MFCD00009338
Assay:
≥99%
Grade:
spectrophotometric grade
Bp:
30 °C (lit.)
Vapor pressure:
11.17 psi ( 20 °C)

Key Documents

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refractive index

n20/D 1.354 (lit.)

bp

30 °C (lit.)

density

0.62 g/mL at 25 °C (lit.)

λ

H2O reference

UV absorption

λ: 192 nm Amax: 1.00, λ: 210 nm Amax: 0.30, λ: 220 nm Amax: 0.07, λ: 240-400 nm Amax: 0.01

InChI key

QWTDNUCVQCZILF-UHFFFAOYSA-N

InChI

1S/C5H12/c1-4-5(2)3/h5H,4H2,1-3H3

SMILES string

CCC(C)C

grade

spectrophotometric grade

vapor density

2.6 (vs air)

vapor pressure

11.17 psi ( 20 °C)

assay

≥99%

form

liquid

autoignition temp.

788 °F

expl. lim.

8.3 %

impurities

<0.020% water

evapn. residue

<0.0003%

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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 Chronic 2 - Asp. Tox. 1 - Flam. Liq. 1 - STOT SE 3

target_organs

Central nervous system

supp_hazards

EUH066

Storage Class

3 - Flammable liquids

flash_point_f

-59.8 °F - closed cup

flash_point_c

-51 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SHBB6282V
SHBB2191V
17696BPV
17696BP
06796TM

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Susanne Steu et al.
Virchows Archiv : an international journal of pathology, 452(3), 305-312 (2008-02-07)
Different methods for snap freezing surgical human tissue specimens exist. At pathology institutes with higher work loads, solid carbon dioxide, freezing sprays, and cryostat freezing are commonly used as coolants for diagnosing frozen tissue sections, whereas for tissue banking, liquid
P Krustrup et al.
British journal of sports medicine, 43(11), 825-831 (2008-12-23)
To examine the effects of regular participation in recreational soccer on health profile, 36 healthy untrained Danish men aged 20-43 years were randomised into a soccer group (SO; n = 13), a running group (RU; n = 12) and a
Benedikt Galliker et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 15(25), 6161-6168 (2009-05-14)
We have identified two intermediates in the autoxidation of NO*: ONOO*, which was detected by EPR spectroscopy at 295 K and atmospheric pressure in the gas phase, and ONOONO, a red substance produced at 113 K in 2-methylbutane. The red
Lauren M Reynolds et al.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 40(5), 1101-1112 (2014-10-23)
Initiation of drug use during adolescence is a strong predictor of both the incidence and severity of addiction throughout the lifetime. Intriguingly, adolescence is a period of dynamic refinement in the organization of neuronal connectivity, in particular medial prefrontal cortex
Maarten Ooms et al.
Nuclear medicine and biology, 41(8), 695-704 (2014-07-09)
In vivo visualization of PDE10A using PET provides a tool to evaluate the role of PDE10A in various neuropsychiatric diseases and can also be useful in the clinical evaluation of PDE10A inhibitor drug candidates. We evaluated several carbon-11 and fluorine-18
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