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1.04718

Supelco

Isooctane

for spectroscopy Uvasol®

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Synonym(s):
2,2,4-Trimethylpentane, 2,2,4-Trimethylpentane, Isobutyltrimethylmethane, iso-Octane, Isooctane
Linear Formula:
(CH3)2CHCH2C(CH3)3
CAS Number:
Molecular Weight:
114.23
Beilstein:
1696876
MDL number:
EC Index Number:
208-759-1

vapor density

3.9 (vs air)

Quality Level

vapor pressure

41 mmHg ( 21 °C)

Assay

≥99.8% (GC)

form

liquid

autoignition temp.

745 °F

potency

>2500 mg/kg LD50, oral (Rat)

expl. lim.

6 %

technique(s)

UV/Vis spectroscopy: suitable

impurities

≤0.0002 meq/g Acidity
≤0.0002 meq/g Alkalinity
≤0.005% Water

evapn. residue

≤0.0002%

color

APHA: ≤10

transmittance

205 nm, ≥30%
215 nm, ≥65%
220 nm, ≥80%
225 nm, ≥85%
235 nm, ≥90%
245 nm, ≥98%
255 nm, ≥99%

refractive index

n20/D 1.391 (lit.)

pH

7

bp

98-99 °C (lit.)

mp

−107 °C (lit.)

transition temp

flash point -12 °C

density

0.692 g/mL at 25 °C (lit.)

UV absorption

λ: 205 nm Amax: ≤0.52
λ: 215 nm Amax: ≤0.19
λ: 220 nm Amax: ≤0.10
λ: 225 nm Amax: ≤0.07
λ: 235 nm Amax: ≤0.05
λ: 245 nm Amax: ≤0.01
λ: 255 nm Amax: ≤0.004

storage temp.

2-30°C

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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1.047178.216271.04727
Isooctane for spectroscopy Uvasol®

Supelco

1.04718

Isooctane

Isooctane for liquid chromatography LiChrosolv®

Supelco

1.04717

Isooctane

Isooctane for synthesis

Sigma-Aldrich

8.21627

Isooctane

Isooctane for analysis EMSURE® ACS,Reag. Ph Eur

Supelco

1.04727

Isooctane

vapor pressure

41 mmHg ( 21 °C)

vapor pressure

41 mmHg ( 21 °C)

vapor pressure

41 mmHg ( 21 °C)

vapor pressure

41 mmHg ( 21 °C)

assay

≥99.8% (GC)

assay

≥99% (GC)

assay

≥99% (GC)

assay

≥99.5% (GC)

form

liquid

form

liquid

form

liquid

form

liquid

autoignition temp.

745 °F

autoignition temp.

745 °F

autoignition temp.

745 °F

autoignition temp.

745 °F

expl. lim.

6 %

expl. lim.

6 %

expl. lim.

6 %

expl. lim.

6 %

General description

Accurate analytic results in UV/VIS and infrared spectroscopy depend on the use of very pure solvents for sample preparation. The Uvasol<TMSYMBOL></TMSYMBOL> solvents range has been specially designed for spectroscopy and other applications requiring solvents of the highest spectral purity. The refinement process allows a greater degree of security in applications and avoids misinterpretation of analytical results caused by traces of UV, IR and fluorescence contamination. Uvasol<TMSYMBOL></TMSYMBOL> solvents offer best UV transmittance. In all specifications the minimum transmittance for 5 typical wavelengths are identified.

Specifications

Saturation Concentration in Air: 239 g/m3 (20 °C)

Analysis Note

Purity (GC): ≥ 99.8 %
Evaporation residue: ≤ 0.0002 %
Water: ≤ 0.005 %
Color: ≤ 10 Hazen
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Fluorescence (as quinine at 254 nm): ≤ 1.0 ppb
Fluorescence (as quinine at 365 nm): ≤ 1.0 ppb
Transmission (at 205nm): ≥ 30 %
Transmission (at 215 nm): ≥ 65 %
Transmission (at 220 nm): ≥ 80 %
Transmission (at 225 nm): ≥ 85 %
Transmission (at 235 nm): ≥ 90 %
Transmission (at 245 nm): ≥ 98 %
Transmission (from 255 nm): ≥ 99 %
Absorbance (at 205nm): ≤ 0.52
Absorbance (at 215 nm): ≤ 0.19
Absorbance (at 220 nm): ≤ 0.10
Absorbance (at 225 nm): ≤ 0.07
Absorbance (at 235 nm): ≤ 0.05
Absorbance (at 245 nm): ≤ 0.01
Absorbance (from 255 nm): ≤ 0.004
Meet the requirements of "Specific use spectroscopy" according ACS and Reag. Ph Eur

Legal Information

UVASOL is a registered trademark of Merck KGaA, Darmstadt, Germany

related product

Product No.
Description
Pricing

Signal Word

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 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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