Merck
All Photos(2)

1.88009

Supelco

CombiMethanol

Solvent for volumetric Karl Fischer titration with one component reagents max. 0.01% H₂O Aquastar®

Synonym(s):
Methanol, MeOH, Hydroxymethane, Methyl alcohol, Carbinol, 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)

product line

Aquastar®

form

liquid

autoignition temp.

725 °F

potency

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

expl. lim.

36 %

reaction suitability

reaction type: volumetric

technique(s)

Karl-Fischer titration: suitable
titration: suitable

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.)

format

single component solution

storage temp.

15-25°C

SMILES string

CO

InChI

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

InChI key

OKKJLVBELUTLKV-UHFFFAOYSA-N

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This Item
1799571.008371.13351
CombiMethanol Solvent for volumetric Karl Fischer titration with one component reagents max. 0.01% H₂O Aquastar®

Supelco

1.88009

CombiMethanol

Methanol Laboratory Reagent, ≥99.6%

Sigma-Aldrich

179957

Methanol

Methanol for gas chromatography MS SupraSolv®

Supelco

1.00837

Methanol

Methanol for preparative chromatography Prepsolv™

Supelco

1.13351

Methanol

technique(s)

Karl-Fischer titration: suitable

technique(s)

-

technique(s)

GC/MS: suitable

technique(s)

-

format

single component solution

format

neat

format

neat

format

neat

vapor density

1.11 (vs air)

vapor density

1.11 (vs air)

vapor density

1.11 (vs air)

vapor density

1.11 (vs air)

vapor pressure

128 hPa ( 20 °C)

vapor pressure

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

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

product line

Aquastar®

product line

-

product line

SupraSolv®

product line

Prepsolv

Analysis Note

Water: ≤ 0.01 %

Legal Information

AQUASTAR 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


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH Annex XVII (Restriction List)

CAS No.

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Protocols

Determination of Water Content in sulfuric acid Using Karl Fischer Titration

Summary application report for analysis of moisture in sulfuric acid

Determination of Water Content in Benserazide Hydrochloride by Karl Fischer Titration

This protocol describes a one-component Volumetric Karl Fischer Titration method for the determination of water content in Benserazide hydrochloride.

Determination of Water Content in D(+)-glucose-monohydrate Using Karl Fischer Titration

Summary application report for analysis of moisture in D(+)-glucose-monohydrate

Determination of Water Content in Hydrochloric acid Using Karl Fischer Titration

Summary application report for analysis of moisture in Hydrochloric acid

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