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Key Documents

650439

Sigma-Aldrich

2,2,4-Trimethylpentane

HPLC Plus, for HPLC, GC, and residue analysis, ≥99.5%

Synonym(s):

Isooctane

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About This Item

Linear Formula:
(CH3)2CHCH2C(CH3)3
CAS Number:
Molecular Weight:
114.23
Beilstein:
1696876
EC Number:
MDL number:
UNSPSC Code:
12190000
PubChem Substance ID:
NACRES:
NA.21
grade:
HPLC Plus
technique(s):
HPLC: suitable
gas chromatography (GC): suitable
application(s):
food and beverages
bp:
98-99 °C (lit.)
vapor pressure:
41 mmHg ( 21 °C)

grade

HPLC Plus

Quality Level

vapor density

3.9 (vs air)

vapor pressure

41 mmHg ( 21 °C)

Assay

≥99.5%

form

liquid

autoignition temp.

745 °F

expl. lim.

6 %

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

impurities

<0.01% water
<1.0 ppb Fluorescence (quinine) at 365 nm

evapn. residue

<0.0001%

halogenated residue

<10 ng/L (as heptachlor epoxide)

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: 205 nm Amax: 1.00
λ: 225 nm Amax: 0.10
λ: 254 nm Amax: 0.01

suitability

suitable for residue analysis

application(s)

food and beverages

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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Application

Suitable for HPLC, spectrophotometry, environmental testing

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Signal Word

Danger

Hazard Statements

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 Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

10.4 °F - closed cup

Flash Point(C)

-12 °C - closed cup


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