| 2,7-Naphthalenedisulfonic acid, 4-[(2,4-dimethylphenyl)azo]-3-hydroxy-, disodium salt |
| Acid scarlet |
| 7-naphthalenedisulfonic acid, 3-hydroxy-4-(2,4-xylylazo)- disodium salt |
| 1-(2,4-xylylazo)-2-naphthol-3,6-disulphonic acid, disodium salt |
| 1-xylylazo-2-naphthol-3,6-disulfonic acid, disodium salt |
| 1-xylylazo-2-naphthol-3,6-disulphonic acid, disodium salt |
| 1695 red |
| 7-naphthalenedisulfonic acid, 4-((2,4-dimethylphenyl)azo)-3-hydroxy- disodiu |
| 7-naphthalenedisulfonic acid, 4-[(2,4-dimethylphenyl)azo]-3-hydroxy- disodiu |
| 3-hydroxy-4-(2,4-xylylazo)-3,7-naphthalenedisulfonic acid, disodium salt |
| 3-hydroxy-4-(2,4-xylylazo)-3,7-naphthalenedisulphonic acid, disodium salt |
| 4-((2,4-dimethylphenyl)azo)-3-hydroxy-2,7-naphthalenedisulfonic acid, disodiu |
| 4-((2,4-dimethylphenyl)azo)-3-hydroxy-2,7-naphthalenedisulphonic acid, disodi |
| acetacid red j |
| acid leather red kpr |
| acid leather red p2R |
| acid leather scarlet irw |
| acid ponceau 2Rl |
| acid ponceau r |
| acid ponceau special |
| acid red 26 |
| acid scarlet 2b |
| acid scarlet 2bn |
| acid scarlet 2R |
| acid scarlet 2R for lakes |
| acid scarlet 2R for lakes bluish |
| acid scarlet 2Rl |
| acid scarlet 2Rn |
| acidal ponceau g |
| acilan ponceau rrl |
| acilan ponceau rrl (rtecs) |
| ahcocid fast scarlet r |
| aizen ponceau rh |
| amacid lake scarlet 2R |
| amacid scarlet 2R |
| brilliant ponceau g |
| c.i. 16150 |
| c.i. 79 |
| c.i. acid red 26 |
| c.i. acid red 26, disodium salt |
| c.i. food red 5 |
| calcocid 2Ril |
| calcocid scarlet 2R |
| calcocid scarlet 2Ril |
| calcolake scarlet 2R |
| certicol ponceau mxs |
| cerven kysela 26 |
| cerven kysela 26 (czech) |
| cerven potravinarska 5 |
| cerven potravinarska 5 (czech) |
| ci 16150 |
| ci f food red 5 |
| colacid ponceau special |
| comacid scarlet 2R |
| d and c red no 5 |
| d&c red no. 5 |
| disodium (2,4-dimethylphenylazo)-2-hydroxynaphthalene-3,6-disulfonate |
| disodium (2,4-dimethylphenylazo)-2-hydroxynaphthalene-3,6-disulphonate |
| disodium salt of 1-(2,4-xylylazo)-2-naphthol-3,6-disulfonic acid |
| disodium salt of 1-(2,4-xylylazo)-2-naphthol-3,6-disulphonic acid |
| edicol ponceau rs |
| edicol supra ponceau r |
| fenazo scarlet 2R |
| food red no. 101 |
| hexacol ponceau 2R |
| hexacol ponceau mx |
| hidacid scarlet 2R |
| hispacid ponceau r |
| java ponceau 2R |
| kiton ponceau 2R |
| kiton ponceau r |
| kiton scarlet 2Rc |
| lake ponceau |
| lake scarlet 2Rbn |
| 2,7-Naphthalenedisulfonic acid,4-[(2,4-dimethylphenyl)azo]-3-hydroxy-,disodium salt |
| lake scarlet r |
| naphthalene lake scarlet r |
| naphthalene scarlet r |
| naphthazine scarlet 2R |
| neklacid red rr |
| new ponceau 4R |
| nsc 10458 (nlm) |
| paper red hrr |
| pas kwasowy 2 rl |
| pigment ponceau r |
| ponceau 2R |
| ponceau 2R (biological stain) |
| ponceau 2R extra a export |
| ponceau 2Re |
| ponceau 2Rl |
| ponceau 2Rx |
| ponceau bna |
| ponceau de xylidine |
| ponceau fr |
| ponceau g |
| ponceau gr |
| ponceau j |
| ponceau mx |
| ponceau nr |
| ponceau pxm |
| ponceau r |
| ponceau r (biological stain) |
| ponceau red |
| ponceau red r |
| ponceau rg |
| ponceau rr |
| ponceau rr type 8019 |
| ponceau rs |
| ponceau xylidine (biological stain) |
| ponceaux 3R |
| red 101 |
| red for lakes j |
| red no. 503 |
| red r |
| scarlet 2R |
| scarlet 2Rb |
| scarlet 2Rl |
| scarlet 2Rl bluish |
| scarlet r |
| scarlet r (van) |
| scarlet rra |
| schultz no. 95 |
| tertracid ponceau 2R |
| tetracid ponceau 2R |
| xylidine ponceau |
| xylidine ponceau 3Rs |
| xylidine red |
| 7-naphthalenedisulfonic acid,3-hydroxy-4-(2,4-xylylazo)- disodium salt |
| 3-hydroxy-4-(2,4-xylylazo)-2,7-naphthalenedisulfonic |
| 3-hydroxy-4-(2,4-xylylazo)-2,7-naphthalenedisulfonic acid,disodium salt |
| 3-hydroxy-4-(2,4-xylylazo)-2,7-naphthalenedisulfonicacid,disodiumsalt |
| abcol scarlet 2R |
| xylidine ponceau 2R |
