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B21145 Methyl Yellow, indicator

CAS Number
60-11-7
Synonyms
C.I. 11020
Dimethyl Yellow

Stock No. Size Price ($) Quantity Availability
B21145-14 25g 22.20
B21145-22 100g 57.20
B21145-36 500g 235.00
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Methyl Yellow, indicator

MDL
MFCD00008308
EINECS
200-455-7

Chemical Properties

Formula
C14H15N3
Formula Weight
225.30
Melting point
110-112° dec.
Storage & Sensitivity
Ambient temperatures.
Solubility
Insoluble in water. Soluble in alcohol.

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.

Notes

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

Literature References

Makoto Nagase.; Yasuhiko Osaki.; Takahiko Matsueda. Determination of methyl yellow, sudan I and sudan II in water by high-performance liquid chromatography. Journal of Chromatography A. 1989, 465 (3), 434-437.

Ross R. Weikel.; Jason P. Hallett.; Charles L. Liotta.; Charles A. Eckert. Self-Neutralizing in Situ Acid Catalysis for Single-Pot Synthesis of Iodobenzene and Methyl Yellow in CO2-Expanded Methanol. Ind. Eng. Chem. Res. 2007, 46 (16), 5252-5257.

GHS Hazard and Precautionary Statements

Hazard Statements: H301-H350

Toxic if swallowed. May cause cancer.

Precautionary Statements: P201-P202-P264b-P270-P281-P301+P310-P308+P313-P330-P501c

Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use personal protective equipment as required. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF exposed or concerned: Get medical advice/attention. Rinse mouth. Dispose of contents/ container to an approved waste disposal plant

Other References

Merck
14,3229
Beilstein
746016
Hazard Class
6.1
Packing Group
III
Harmonized Tariff Code
2927.00
TSCA
Yes
RTECS
BX7350000

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