Metanilic Yellow

Metanil yellow, diphenylaminoazo-m-benzene sulfonic acid (indicator) dissolve 0.25 g in 100 mL alcohol pH range red 1.2-2.3 yellow. 

Metanil Yellow (3[ 4-phenylamino phenylazo]-benzenesulfonic acid) [587-98-4] M 375.4, pKes, <0. Salted out from water three times with sodium acetate, then repeatedly extracted with EtOH [McGrew and Schneider, J Am Chem Soc 72 2547 7950]. 

Malachite green Metanil yellow Nigrosine Orange Y Paramido phenol Paraphenylendiamine Pyrogene violet brown Rosaniline Safranine... 

Metanil-gelb, n. metanil yellow, metaniline yellow, -saure, /. metanilic acid. 

Colouring Matters.—In Italy butter may be coloured, but not with certain prohibited colouring matters, such as Martius yellow, Victoria yellow and metanil yellow. As a rule annatto is used, but sometimes also saffron or turmeric, and rarely carotin coal-tar colours (aniline yellow, butter yellow) are also employed. 

Extraneous Colouring Matters.—Most of the products in question are coloured a more or less deep yellow by means of organic colouring matters or, sometimes, saffron, the depth of colour depending on whether enhancement of the natural colour of the flour or imitation f the colour imparted by eggs is desired. In Italy the use of picric acid, Victoria yellow, Martius yellow and metanil yellow for this purpose is prohibited. 

Metanil yellow, Victoria yellow, orange IV, orange M N, M N O, N, etc. S Solution i becomes violet or violet red. 

Azo dyes Metanil yellow, Congo red Separated on a C-18 reverse phase column and detected by an MS or UV detector... 

SYNS ACIDIC METANIL YELLOW ACID LEATHER YELLOW PRW ACID LEATHER YELLOW R ACID METANIL YELLOW ACID YELLOW 36 AIZEN METANIL YELLOW AMACID YELLOW M BRASILAN METANIL YELLOW BUCACID METANIL YELLOW CALCOCID YELLOW MXXX C.I. 13065 C.I. ACID YELLOW 36 C.I. ACID YELLOW 36 MONOSODIUM SALT DIACID METANIL YELLOW ENIACID METANIL YELLOW GN EXT D C YELLOW No. 1 FENAZO YELLOW M HIDACID METANIL YELLOW HISPACID YELLOW MG JAVA METANIL YELLOW G KITON ORANGE MNO KITON YELLOW MS METANILE YELLOW O METANIL YELLOW 1955 METANIL YELLOW C METANIL YELLOW E METANIL YELLOW EXTRA METANIL YELLOW F METANIL YET. LOW G METANIL YELLOW GRIESBACH METANIL YELLOW K METANIL YELLOW KRSU METANIL YELLOW M3X METANIL YELLOW O METANIL YELLOW PL METANIL YELLOW S METANIL YELLOW SUPRA P METANIL YELLOW VS xMETANTL YELLOW W S METANIL YELLOW Y METANIL YELLOW YK MITSUI METANIL YELLOW MONOAZO REMADERM YELLOW HPR SHIKISO METANIL YELLOW SYMULON METANIL YELLOW ... 

M TROPAEOLIN G VONDACID. METANIL YELLOW G 11363 YELLOW YODOCHROME METANIL YELLOW ... 

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