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  7. Thermo Scientific Chemicals Methyl Yellow, indicator

Thermo Scientific Chemicals Methyl Yellow, indicator

Product Code. 11404647
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Quantity:
25 g
100 g
500 g
This item is not returnable. View return policy
This item is not returnable. View return policy

Description

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.

Applications
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.

Solubility
Insoluble in water. Soluble in alcohol.

Notes
Transition interval: pH 2.9 (red) to pH 4.0 (yellow)
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 60-11-7
Molecular Formula C14H15N3
Molecular Weight (g/mol) 225.30
MDL Number MFCD00008308
InChI Key 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

Melting Point 110°C to 112°C (decomposition)
Odor Odorless
Quantity 25 g
UN Number UN2811
Beilstein 746016
Merck Index 14,3229
Solubility Information Insoluble in water; Soluble in alcohol.
IUPAC Name N,N-dimethyl-4-phenyldiazenylaniline
Formula Weight 225.3
Chemical Name or Material Methyl Yellow, indicator

Safety and Handling

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Signal Word
  • Danger
 Hazard Category
  • Acute toxicity Category 3
  • Carcinogenicity Category 2
 Hazard Statement
  • H301-Toxic if swallowed.
  • H351-Suspected of causing cancer.
 Precautionary Statement
  • P201-Obtain special instructions before use.
  • P264-Wash face, hands and anyexposed skin thoroughly after handling.
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P301+P310-IF SWALLOWED: Immediately call a POISON CENTER/doctor /
  • P308+P313-IF exposed or concerned: Get medical advice/attention.
 Supplemental information
  • MIXTURE LIST-Contains : N,N-dimethyl-4-(phenylazo)benzenamine

RUO – Research Use Only

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