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Merck
CN

360066

2,2,4-Trimethylpentane

anhydrous, 99.8%

Synonym(s):

TMP, Isooctane

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About This Item

Linear Formula:
(CH3)2CHCH2C(CH3)3
CAS Number:
540-84-1
Molecular Weight:
114.23
UNSPSC Code:
12352001
NACRES:
NA.21
PubChem Substance ID:
57649458
EC Number:
208-759-1
Beilstein/REAXYS Number:
1696876
MDL number:
MFCD00008943
Grade:
anhydrous
Assay:
99.8%
Technique(s):
UV/Vis spectroscopy: suitable
Bp:
98-99 °C (lit.)
Vapor pressure:
41 mmHg ( 21 °C)

Key Documents

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Product Name

2,2,4-Trimethylpentane, anhydrous, 99.8%

InChI key

NHTMVDHEPJAVLT-UHFFFAOYSA-N

InChI

1S/C8H18/c1-7(2)6-8(3,4)5/h7H,6H2,1-5H3

SMILES string

CC(C)CC(C)(C)C

grade

anhydrous

vapor density

3.9 (vs air)

vapor pressure

41 mmHg ( 21 °C)

assay

99.8%

form

liquid

autoignition temp.

745 °F

expl. lim.

6 %

technique(s)

UV/Vis spectroscopy: suitable

impurities

<0.003% water
<0.005% water (100 mL pkg)

evapn. residue

<0.0003%

refractive index

n20/D 1.391 (lit.)

bp

98-99 °C (lit.)

mp

−107 °C (lit.)

density

0.692 g/mL at 25 °C (lit.)

Quality Level

100

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Application

2,2,4-Trimethylpentane has been used for the calibration of densimeter and for baseline correction in UV-Visible spectrophotometer.

General description

2,2,4-Trimethylpentane is a primary reference fuel with an arbitrary octane number of 100 as it burns smoothly without resulting in any knocking. It is mainly used to improve the octane rating of combustion fuels.

Other Notes

The article number 360066-6X1L will be discontinued. Please order the single bottle 360066-1L which is physically identical with the same exact specifications.

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

10.4 °F - closed cup

flash_point_c

-12 °C - closed cup

ppe

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

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
SHBT4197
SHBT1833
SHBT0182
SHBS8435
SDBB3587

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