Merck
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1.06007

Supelco

Methanol

gradient grade for liquid chromatography LiChrosolv® Reag. Ph Eur

Synonym(s):
Methyl alcohol
Linear Formula:
CH3OH
CAS Number:
Molecular Weight:
32.04
Beilstein:
1098229
Número MDL:
Número índice de la CE:
200-659-6

Agency

reag. Ph. Eur.

Nivel de calidad

100
200

densidad de vapor

1.11 (vs air)

presión de vapor

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

Línea del producto

LiChrosolv®

grado

gradient grade

ensayo

≥99.9% (GC)

formulario

liquid

temp. de autoignición

725 °F

potencia

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

lim. expl.

36 %

technique(s)

HPLC: suitable

impurezas

≤0.0002 meq/g Acidity
≤0.0002 meq/g Alkalinity
≤0.02% Water

residuo de evap.

≤2.0 mg/L

color

APHA: ≤10

transmitancia

210 nm, ≥20%
220 nm, ≥60%
230 nm, ≥75%
235 nm, ≥83%
250 nm, ≥95%
260 nm, ≥98%

índice de refracción

n20/D 1.329 (lit.)

kinematic viscosity

0.54-0.59 cSt(20 °C)

bp

64.7 °C (lit.)

mp

−98 °C (lit.)

temperatura de transición

flash point 9.7 °C

densidad

0.791 g/mL at 25 °C (lit.)

Absorción UV

λ: 225 nm Amax: ≤0.170

temp. de almacenamiento

2-30°C

SMILES string

CO

InChI

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

InChI key

OKKJLVBELUTLKV-UHFFFAOYSA-N

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Descripción general

With their high degree of UV transmittance, low particle count, low acidity and alkalinity and low evaporation residue level, LiChrosolv solvents are ideal for reproducible separations. Since separations are normally carried out under gradient conditions in analytical HPLC, we offer solvents in "gradient grade" as well as "isocratic grade". This enables to minimize the gradient effect of the solvent involved.

Envase

5 l in Aluminium Bottle
10, 185, 30 l in Barrel stainl. st.
1, 2.5, 4 l in Glass bottle

Nota de preparación

Product filtered through a 0.2 μm filter

Nota de análisis

Evaporation Number: 1.9
Purity (GC): ≥ 99.9 %
Identity (IR): conforms
Evaporation residue: ≤ 2.0 mg/l
Water: ≤ 0.02 %
Color: ≤ 10 Hazen
Density (d 20 °C/20 °C): 0.791 - 0.793
Boiling point: 64 - 65 °C
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Gradient grade (at 235 nm): ≤ 2.0 mAU
Gradient grade (at 254 nm): ≤ 1.0 mAU
Fluorescence (as quinine at 254 nm): ≤ 1.0 ppb
Fluorescence (as quinine at 365 nm): ≤ 0.5 ppb
Transmission (at 210 nm): ≥ 20 %
Transmission (at 220 nm): ≥ 60 %
Transmission (at 230 nm): ≥ 75 %
Transmission (at 235 nm): ≥ 83 %
Transmission (at 250 nm): ≥ 95 %
Transmission (from 260 nm): ≥ 98 %
Absorbance (at 225 nm): ≤ 0.170
Filtered by 0.2 µm filter.
Suitable for UPLC / UHPLC /Ultra HPLC - instruments.
Conforms to Methanol R1 and R2 according to Reag. Ph Eur;
conforms to the requirements of ACS for liquid chromatography suitability.

Información legal

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

Palabra de señalización

Danger

Clasificaciones de peligro

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

Código de clase de almacenamiento

3 - Flammable liquids

WGK

WGK 2

Punto de inflamabilidad F

49.5 °F - closed cup

Punto de inflamabilidad C

9.7 °C - closed cup

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