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Merck

1.06018

メタノール

≥99.8% (GC), HPLC grade, suitable for HPLC, LiChrosolv®

別名:

メチルアルコール

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この商品について

化学式:
CH3OH
CAS番号:
67-56-1
分子量:
32.04
NACRES:
NA.03
EC Index Number:
200-659-6
UNSPSC Code:
12191502
MDL number:
MFCD00004595
Beilstein/REAXYS Number:
1098229
Grade:
HPLC grade
Assay:
≥99.8% (GC)
Technique(s):
HPLC: suitable
Bp:
64.7 °C (lit.)
Vapor pressure:
128 hPa ( 20 °C)
410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

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製品名

メタノール, for liquid chromatography LiChrosolv®

InChI

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

SMILES string

CO

InChI key

OKKJLVBELUTLKV-UHFFFAOYSA-N

grade

HPLC grade

vapor density

1.11 (vs air)

vapor pressure

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

description

isocratic

product line

LiChrosolv®

assay

≥99.8% (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)

HPLC: suitable

impurities

≤0.0002 meq/g Acidity
≤0.0002 meq/g Alkalinity
≤0.03% Water

evapn. residue

≤3.0 mg/L

color

APHA: ≤10

transmittance

225 nm, ≥50%
240 nm, ≥80%
265 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.)

format

neat

storage temp.

2-30°C

Quality Level

100

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Analysis Note

Evaporation Number: 1.9
Purity (GC): ≥ 99.8 %
Identity (IR): conforms
Evaporation residue: ≤ 3.0 mg/l
Water: ≤ 0.03 %
Color: ≤ 10 Hazen
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Transmission (at 225 nm): ≥ 50 %
Transmission (at 240 nm): ≥ 80 %
Transmission (from 265 nm): ≥ 98 %
Filtered by 0.2 µm filter

Application

Intended for HPLC and UHPLC-MS applications.
Featured in method development of:
  • Benazepril - USP Method Benazepril RS
  • Betamethasone - USP Method Betamethasone Valerate Assay
  • Irbesartan - USP Method Irbesartan Assay
  • Lamivudine - USP Method Lamivudine RS
  • Lansoprazole - USP Method Lansoprazole RS
  • Levofloxacin - USP Method Levofloxacin RS - USP Method Levofloxacin Assay
  • Nifedipine - USP Method Nifedipine RS - USP Method Nifedipine Assay
  • Pharmacopoeia Monograph Methods - HPLC and UHPLC methods for Regulated Drug Analysis
  • Pioglitazone - USP Method Pioglitazone HCl RS - USP Method Pioglitazone HCl Assay

Features and Benefits

  • suitability tested and specified for UHPLC-MS and UHPLC-UV: for analytical flexibility
  • specified quality in positive and negative in positive and negative electrospray ionization (ESI) and atmospheric-pressure chemical ionization-mass spectrometry (APCI-MS) for lowest detection limits and confidence in analyses for all important MS modes (test 1)
    —ESI/APCI (+) < 2 ppb
    —ESI/APCI (-) < 10 ppb
  • lowest impurity profile: for interference-free baselines (test 2)
  • microfiltered through 0.2 μm filter (test 3) to provide:
    —A long lifespan to filters and mechanical parts of HPLC systems
    ––reduced risk of column clogging
  • packaged in borosilicate glass bottles for minimized metal ion contaminations
  • lowest levels of trace metal impurities for a minimum metal ion adduct formation
    —<5 ppb
  • lowest level of polyethylene glycol (PEG) impurities in UHPLC-MS solvent lineup (PEG S/N signal-to-noise-ratio < 50)

General description

LiChrosolv® solvents exhibit high degree of UV transmittance, low particle count, low acidity and alkalinity and low evaporation residue level. This makes them ideal for reproducible separations.

Other Notes

Explore various lab safety accessories and equipment for safe handling of solvents to increase your safety level from the first usage.

Preparation Note

Product filtered through a 0.2 μm filter

Legal Information

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

signalword

Danger

Hazard Classifications

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

target_organs

Eyes,Central nervous system

保管分類

3 - Flammable liquids

wgk

WGK 2

flash_point_f

49.5 °F - closed cup

flash_point_c

9.7 °C - closed cup

試験成績書（COA）

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資料

Identification of fixed oils by Thin layer chromatography

This application note describes the HPTLC-based identification of fixed oils using octadecyl silyl silica gel as the coating substance, following USP 43 NF 38 monograph method containing USP general chapter <202>.

Quantification of Bitter Acids in Hops by Thin Layer Chromatography

HPTLC separation followed by UV detection of the bitter acid content in various hop samples.

Analysis of Caffeine and Catechins in Green Tea

Validated HPLC method (based on Ph. Eur. Monograph 2668) for quantifying catechins and caffeine in decaffeinated green tea using a Chromolith® High Resolution RP-18e column with advantages in terms of backpressure and matrix robustness.

Determination of Urea in Milk by HPTLC

An HPTLC method for rapid urea detection in milk using a TLC plate scanner and Silica Gel 60 F254 HPTLC plate.

プロトコル

HPLC Determination of Vitamin A and E

GB method with Ascentis® Express C30 column achieves baseline resolution for Vitamin A and E critical pair.

USP Dissolution Method for Folic Acid

Folic acid vs. folate differences and biological activities; implications in fortified foods and supplements for human health.

Qualitative Thin Layer Chromatography Analysis Ginkgo

Qualitative Thin Layer Chromatography Analysis of Flavonoids and Quantification of Terpene Lactones in Ginkgo Biloba Extracts and Tablets

Determination of Caffeine in Coffee Using High Performance Thin Layer Chromatography

HPTLC was used to analyze caffeine in coffee. Filtration of coffee through a PTFE syringe filter was the only sample preparation. Quantitation was conducted with a TLC scanner.

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関連コンテンツ

Benazepril - USP Method Benazepril RS

United States Pharmacopeia Methods - Benazepril

グローバルトレードアイテム番号

カタログ番号GTIN
1.06018.250004022536071725
1.06018.400004022536658308
1.06018.100004022536071701

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