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1.06002

Supelco

Methanol

for spectroscopy Uvasol®

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Synonym(s):
Methyl alcohol
Linear Formula:
CH3OH
CAS Number:
Molecular Weight:
32.04
Beilstein:
1098229
MDL number:
EC Index Number:
200-659-6

vapor density

1.11 (vs air)

Quality Level

vapor pressure

128 hPa ( 20 °C)
410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

Assay

≥99.9% (GC)

form

liquid

autoignition temp.

725 °F

potency

5628 mg/kg LD50, oral (Rat)
17100 mg/kg LD50, skin (Rabbit)

expl. lim.

36 %

technique(s)

UV/Vis spectroscopy: suitable

impurities

≤0.0002 meq/g Acidity
≤0.0002 meq/g Alkalinity
≤0.01% Water

evapn. residue

≤0.0002%

color

APHA: ≤10

transmittance

205 nm, ≥10%
210 nm, ≥30%
220 nm, ≥60%
230 nm, ≥80%
240 nm, ≥90%
250 nm, ≥95%
260 nm, ≥98%

refractive index

n20/D 1.329 (lit.)

kinematic viscosity

0.54-0.59 cSt(20 °C)

bp

64.7 °C (lit.)

mp

−98 °C (lit.)

transition temp

flash point 9.7 °C

density

0.791 g/mL at 25 °C (lit.)

UV absorption

λ: 205 nm Amax: ≤1.00
λ: 210 nm Amax: ≤0.52
λ: 220 nm Amax: ≤0.22
λ: 230 nm Amax: ≤0.10
λ: 240 nm Amax: ≤0.05
λ: 250 nm Amax: ≤0.02
λ: 260 nm Amax: ≤0.01

format

neat

storage temp.

2-30°C

SMILES string

CO

InChI

1S/CH4O/c1-2/h2H,1H3

InChI key

OKKJLVBELUTLKV-UHFFFAOYSA-N

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This Item
1.06007RTC00007634885
Methanol for spectroscopy Uvasol®

Supelco

1.06002

Methanol

Methanol gradient grade for liquid chromatography LiChrosolv® Reag. Ph Eur

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Methanol

Methanol Pharmaceutical Secondary Standard; Certified Reference Material

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Methanol

Methanol suitable for HPLC, gradient grade, ≥99.9%

Sigma-Aldrich

34885

Methanol

vapor pressure

128 hPa ( 20 °C), 410 mmHg ( 50 °C), 97.68 mmHg ( 20 °C)

vapor pressure

128 hPa ( 20 °C), 410 mmHg ( 50 °C), 97.68 mmHg ( 20 °C)

vapor pressure

410 mmHg ( 50 °C), 97.68 mmHg ( 20 °C)

vapor pressure

410 mmHg ( 50 °C), 97.68 mmHg ( 20 °C)

assay

≥99.9% (GC)

assay

≥99.9% (GC)

assay

-

assay

≥99.9%

form

liquid

form

liquid

form

-

form

liquid

autoignition temp.

725 °F

autoignition temp.

725 °F

autoignition temp.

725 °F

autoignition temp.

725 °F

expl. lim.

36 %

expl. lim.

36 %

expl. lim.

36 %

expl. lim.

36 %

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.

Analysis Note

Evaporation Number: 1.9
Purity (GC): ≥ 99.9 %
Evaporation residue: ≤ 0.0002 %
Water: ≤ 0.01 %
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): ≥ 10 %
Transmission (at 210 nm): ≥ 30 %
Transmission (at 220 nm): ≥ 60 %
Transmission (at 230 nm): ≥ 80 %
Transmission (at 240 nm): ≥ 90 %
Transmission (at 250 nm): ≥ 95 %
Transmission (from 260 nm): ≥ 98 %
Absorbance (at 205nm): ≤ 1.00
Absorbance (at 210 nm): ≤ 0.52
Absorbance (at 220 nm): ≤ 0.22
Absorbance (at 230 nm): ≤ 0.10
Absorbance (at 240 nm): ≤ 0.05
Absorbance (at 250 nm): ≤ 0.02
Absorbance (from 260 nm): ≤ 0.01
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

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

49.5 °F - closed cup

Flash Point(C)

9.7 °C - closed cup


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