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270350

Sigma-Aldrich

2,2,4-Trimethylpentane

HPLC grade, ≥99.7%

Synonym(s):

Isooctane

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About This Item

Linear Formula:
(CH3)2CHCH2C(CH3)3
CAS Number:
540-84-1
Molecular Weight:
114.23
Beilstein/REAXYS Number:
1696876
EC Number:
208-759-1
MDL number:
MFCD00008943
UNSPSC Code:
12190000
PubChem Substance ID:
329752931
grade:
HPLC grade
assay:
≥99.7%
technique(s):
HPLC: suitable
bp:
98-99 °C (lit.)
vapor pressure:
41 mmHg ( 21 °C)

grade

HPLC grade

Quality Level

100

vapor density

3.9 (vs air)

vapor pressure

41 mmHg ( 21 °C)

assay

≥99.7%

form

liquid

autoignition temp.

745 °F

purified by

glass distillation

expl. lim.

6 %

technique(s)

HPLC: suitable

impurities

<0.020% water

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.)

λ

H2O reference

UV absorption

λ: 210 nm Amax: 1.00
λ: 220 nm Amax: 0.20
λ: 230 nm Amax: 0.10
λ: 240 nm Amax: 0.04
λ: 250-400 nm Amax: 0.01

SMILES string

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

InChI

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

InChI key

NHTMVDHEPJAVLT-UHFFFAOYSA-N

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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_germany

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

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Certificates of Analysis (COA)

Lot/Batch Number
04310HV
01110DX
08161HC
03530DY
03215JV

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