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Merck

15-2220

2-Methylbutane

SAJ special grade

Synonym(s):

Isopentane

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About This Item

Linear Formula:
CH3CH2CH(CH3)2
CAS Number:
78-78-4
Molecular Weight:
72.15
PubChem Substance ID:
329750780
UNSPSC Code:
12191502
Beilstein/REAXYS Number:
1730723
MDL number:
MFCD00009338
Grade:
SAJ special grade
Bp:
30 °C (lit.)
Vapor pressure:
11.17 psi ( 20 °C)

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SMILES string

CCC(C)C

InChI

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

InChI key

QWTDNUCVQCZILF-UHFFFAOYSA-N

grade

SAJ special grade

vapor density

2.6 (vs air)

vapor pressure

11.17 psi ( 20 °C)

form

liquid

autoignition temp.

788 °F

expl. lim.

8.3 %

availability

available only in Japan

dilution

(for analytical testing)

bp

30 °C (lit.)

mp

-160 °C (lit.)

density

0.62 g/mL at 25 °C (lit.)

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Related Categories

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

wgk

WGK 2

flash_point_f

-59.8 °F

flash_point_c

-51 °C

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Certificates of Analysis (COA)

Lot/Batch Number
A2586
A2337
A1227
A6141
A9964

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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
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