1.07018

Methanol

≥99.8% (GC), EMPARTA^® ACS reagent, for extraction, for analytical purposes

• Synonym(e): Methylalkohol
• Lineare Formel: CH₃OH
• CAS-Nummer: 67-56-1
• Molekulargewicht: 32.04
• NACRES: NB.21
• EC Index Number: 200-659-6
• UNSPSC Code: 12191502
• MDL number: MFCD00004595
• Beilstein/REAXYS Number: 1098229
• Assay: ≥99.8% (GC)
• Grade: ACS reagent, reagent grade
• Bp: 64.7 °C (lit.)
• Vapor pressure: 128 hPa ( 20 °C), 410 mmHg ( 50 °C), 97.68 mmHg ( 20 °C)

Eigenschaften

• Produktname: Methanol, for analysis EMPARTA^® ACS
• Quality Segment: 200
• grade: ACS reagent, reagent grade
• vapor density: 1.11 (vs air)
• vapor pressure: 128 hPa ( 20 °C), 410 mmHg ( 50 °C), 97.68 mmHg ( 20 °C)
• description: for analytical purposes, for extraction
• product line: EMPARTA^®
• 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 %
• dilution: (for routine analytical applications)
• impurities: ≤0.0002 meq/g Titrable base, ≤0.0003% Substances reducing potassium permanganate (as O), ≤0.0003 meq/g Titrable acid, ≤0.001% Acetaldehyde, ≤0.001% Acetone, ≤0.001% Formaldehyde, ≤0.1% Water
• evapn. residue: ≤0.001%
• color: clearAPHA: ≤10
• 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.)
• application(s): environmental; food and beverages; industrial qc; pharmaceutical; sample preparation
• format: neat
• storage temp.: 2-30°C
• SMILES string: CO
• InChI: 1S/CH4O/c1-2/h2H,1H3
• InChI key: OKKJLVBELUTLKV-UHFFFAOYSA-N

Beschreibung

General description

Wir bieten EMPARTA Lösungsmittel für Routineaufgaben in analytischen Labors an. EMPARTA Lösungsmittel haben zwar weniger Testparameter als EMSURE, sind aber dennoch von hoher Qualität. EMPARTA Lösungsmittel bieten absolute ACS-Konformität, wodurch sie sich ideal für eine Vielzahl von analytischen Anwendungen eignen.

EMPARTA solvents are designed for routine chemical synthesis, drying, purification, and critical labware cleaning in quality control environments. Engineered for precision, they deliver consistently reproducible results essential for rigorous validation and documentation.

Exceptional Quality Standards: These solvents meet or exceed ACS specifications, providing assurance of high quality that is crucial for accurate testing and analysis in quality control.

Consistent Reproducibility: Designed for precision, the solvents ensure that results can be reliably reproduced, which is vital for maintaining compliance and integrity in quality control processes.

Versatile Applications: Suitable for a variety of QC tasks, including analytical testing, method validation, and testing USP/NF monographs, these solvents support a comprehensive approach to quality assurance in laboratory settings.

Application

• A technique based on infrared spectroscopy for determining sulfanilamide levels sustainably: Progress and comparisons of greenness and whiteness using ComplexGAPI, AGREE, and RGB: Diese Studie stellt ein nachhaltiges Verfahren vor, mit dem Methanol in der Infrarotspektroskopie zur Messung von Sulfanilamidspiegeln verwendet wird, und unterstreicht Fortschritte in der umweltfreundlichen analytischen Chemie (Lahkar et al., 2024).



• A novel method for quantitative determination of multiple substances using Raman spectroscopy combined with CWT: Die Studie nutzt Methanol als Lösungsmittel in einer neuen Raman-Spektroskopietechnik zur quantitativen Analyse verschiedener Substanzen und demonstriert so eine verbesserte Präzision bei der chemischen Analyse (Yang et al., 2024).

Packaging

1.07018.2521: 2,5 l, Mindestbestellmenge: 4

Analysis Note

Reinheit (GC): ≥ 99,8 %
Identität (IR): entspricht
Aussehen: klar
Farbe: ≤ 10 Hazen
Löslichkeit in Wasser: entspricht
Titrierbare Säure: ≤ 0,0003 meq/g
Titrierbare Base: ≤ 0,0002 meq/g
Siedepunkt: 64–65 °C
Aceton: ≤ 0,001 %
Acetaldehyd: ≤ 0,001 %
Formaldehyd: ≤ 0,001 %
Verhalten gegen Schwefelsäure: entspricht
Kaliumpermanganat reduzierende Substanzen (als O): ≤ 0,0003 %
Abdampfrückstand: ≤ 0,001 %
Wasser: ≤ 0,1 %

Legal Information

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

Sicherheitshinweise

• pictograms: GHS02,GHS06,GHS08
• signalword: Danger
• hcodes: H225,H301 + H311 + H331,H370
• pcodes: P210 - P233 - P280 - P301 + P310 - P303 + P361 + P353 - P304 + P340 + P311
• 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
• Lagerklasse: 3 - Flammable liquids
• wgk: WGK 2
• flash_point_f: 49.5 °F - closed cup
• flash_point_c: 9.7 °C - closed cup