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  7. Thermo Scientific Chemicals Methylgelb, Indikator

Thermo Scientific Chemicals Methylgelb, Indikator

Artikelnummer. 11404647
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Menge:
25 g
100 g
500 g
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Regulatory: This product fall under regulation “Lov om kemiske stoffer og produkter - lovbekendtgørelse nr. 1755 af 22. december 2006. If applicable, customers must provide a license before delivery.
This item is not returnable. View return policy
Regulatory: This product fall under regulation “Lov om kemiske stoffer og produkter - lovbekendtgørelse nr. 1755 af 22. december 2006. If applicable, customers must provide a license before delivery.

Description

CAS: 60-11-7 | C14H15N3 | 225.30 g/mol

Methyl Yellow used as a pH indicator. It is an acid-base indicator that changes color from below pH 2.9 red to above pH 4.0 yellow and vice versa. Typical use is in the titration of a weak base with a strong acid.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Anwendungen
Methylgelb wird als pH-Indikator verwendet. Es handelt sich um einen Säure-Basen-Indikator, der die Farbe von unter pH 2.9 Rot auf über pH 4.0 Gelb und umgekehrt ändert. Es wird normalerweise bei der Titration einer schwachen Base mit einer starken Säure eingesetzt.

Löslichkeit
Unlöslich in Wasser. Löslich in Alkohol.

Hinweise
Übergangsintervall: pH 2.9 (Rot) bis pH 4.0 (Gelb)
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 60-11-7
Summenformel C14H15N3
Molekulargewicht (g/mol) 225.30
MDL-Nummer MFCD00008308
InChI-Schlüssel JCYPECIVGRXBMO-UHFFFAOYSA-N
Synonym methyl yellow, dimethyl yellow, 4-dimethylamino azobenzene, 4-dimethylaminoazobenzene, solvent yellow 2, sudan yellow, fat yellow, p-dimethylaminoazobenzene, stear yellow jb, sudan yellow gg
PubChem CID 6053
ChEBI CHEBI:17903
SMILES CN(C)C1=CC=C(C=C1)N=NC1=CC=CC=C1

Specifications

Chemischer Name oder Material Methyl Yellow
Namenshinweis indicator
Schmelzpunkt 110°C to 112°C (decomposition)
Geruch Geruchsneutral
Menge 25 g
UN-Nummer UN2811
Beilstein 746016
Merck Index 14,3229
Löslichkeitsinformationen Insoluble in water; Soluble in alcohol.
IUPAC-Name N,N-Dimethyl-4-Phenyldiazenylanilin
Formelmasse 225.3
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Safety and Handling

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Signal Word
  • Gefahr
 Hazard Category
  • Akute Toxizität Kategorie 3
  • Karzinogenität Kategorie 2
 Hazard Statement
  • H301-Giftig bei Verschlucken.
  • H351-Kann vermutlich Krebs erzeugen.
 Precautionary Statement
  • P201-Vor Gebrauch besondere Anweisungen einholen.
  • P264-Nach Gebrauch gründlich waschen.
  • P280-Schutzhandschuhe/Schutzkleidung/Augenschutz/Gesichtsschutz tragen.
  • P301+P310-BEI VERSCHLUCKEN: Sofort GIFTINFORMATIONSZENTRUM/Arzt anrufen/
  • P308+P313-BEI Exposition oder falls betroffen: Ärztlichen Rat einholen/ärztliche Hilfe hinzuziehen.
 Supplemental information
  • MIXTURE LIST-Enthält: N,N-dimethyl-4-(phenylazo)benzenamine
SDS

RUO – Research Use Only

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