63689

2- Mercaptoetanol

BioUltra, for molecular biology, ≥99.0% (GC)

• Sinónimos: β-Mercaptoetanol, 2- Hidroxietilmercaptano, BME, Tioetilenglicol
• Fórmula lineal: HSCH₂CH₂OH
• Número de CAS: 60-24-2
• Peso molecular: 78.13
• Beilstein/REAXYS Number: 773648
• EC Number: 200-464-6
• MDL number: MFCD00004890
• UNSPSC Code: 12161504
• PubChem Substance ID: 57651953
• NACRES: NA.25

Propiedades

• grade: for molecular biology
• Quality Level: 200
• vapor density: 2.69 (vs air)
• vapor pressure: 1 mmHg ( 20 °C)
• product line: BioUltra
• assay: ≥99.0% (GC)
• form: liquid
• expl. lim.: 18 %
• reaction suitability: reagent type: reductant
• concentration: 14.3 M (pure liquid)
• technique(s): RNA extraction: suitable; protein extraction: suitable
• impurities: DNases, none detected; RNases, none detected; insoluble matter, passes filter test; phosphatases, none detected; proteases, none detected
• refractive index: n20/D 1.500 (lit.); n20/D 1.501
• pH: 4.5-6 (20 °C, 500 g/L)
• bp: 157 °C (lit.)
• solubility: H₂O: 0.5 M at 20 °C, clear, colorless
• density: 1.114 g/mL at 25 °C (lit.)
• cation traces: Al: ≤0.5 mg/kg; Ba: ≤0.1 mg/kg; Bi: ≤0.1 mg/kg; Ca: ≤0.5 mg/kg; Cd: ≤0.05 mg/kg; Co: ≤0.02 mg/kg; Cr: ≤0.02 mg/kg; Cu: ≤0.02 mg/kg; Fe: ≤0.1 mg/kg; K: ≤0.5 mg/kg; Li: ≤0.1 mg/kg; Mg: ≤0.1 mg/kg; Mn: ≤0.02 mg/kg; Mo: ≤0.1 mg/kg; Na: ≤1 mg/kg; Ni: ≤0.05 mg/kg; Pb: ≤0.1 mg/kg; Sr: ≤0.1 mg/kg; Zn: ≤0.1 mg/kg
• SMILES string: OCCS
• λ: 0.5 M in H₂O
• UV absorption: λ: 260 nm A_max: 1.5; λ: 280 nm A_max: 0.3
• storage temp.: 2-8°C
• InChI: 1S/C2H6OS/c3-1-2-4/h3-4H,1-2H2
• InChI key: DGVVWUTYPXICAM-UHFFFAOYSA-N

Descripción

Application

2-Mercaptoethanol has been used

• in the protein extraction buffer prepared for leaf samples.
• as a supplement in cell culture media.
• in the procedure of RNA extraction.

BME es idóneo para reducir los puentes disulfuro de las proteínas antes de la electroforesis en gel de poliacrilamida y suele incluirse en un tampón de muestra para SDS-PAGE a una concentración de un 5 %. La escisión de los puentes disulfuro intermoleculares (entre subunidades) permite que las subunidades de una proteína se separen de forma independiente en la SDS-PAGE. La escisión de los puentes disulfuro intramoleculares (dentro de la subunidad) permite la desnaturalización completa de las subunidades para que cada péptido migre en función de la longitud de su cadena sin influencia de la estructura secundaria.

Other Notes

2024 CiteAb Award Winner for Supplier Succeeding in Parkinson′s Research

Isolation of RNA using guanidinium salts. Inclusion of a reductant enhances denaturation by breaking intramolecular protein disulfide bonds

Información de seguridad

• pictograms: GHS06,GHS08,GHS05,GHS09
• signalword: Danger
• hcodes: H301 + H331,H310,H315,H317,H318,H361f,H373,H410
• pcodes: P273 - P280 - P301 + P310 - P302 + P352 + P310 - P304 + P340 + P311 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 2 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 2 - Eye Dam. 1 - Repr. 2 - Skin Irrit. 2 - Skin Sens. 1A - STOT RE 2 Oral
• target_organs: Liver,Heart
• Storage Class: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• wgk_germany: WGK 3
• flash_point_f: 165.2 °F - closed cup
• flash_point_c: 74 °C - closed cup
• ppe: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter