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CAS No.: | 3761-53-3 |
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Name: | ACID RED 26 |
Molecular Structure: | |
Formula: | C18H14N2Na2O7S2 |
Molecular Weight: | 480.43 |
Synonyms: | 2,7-Naphthalenedisulfonicacid, 4-[(2,4-dimethylphenyl)azo]-3-hydroxy-, disodium salt (9CI);C.I. AcidRed 26 (7CI);C.I. Acid Red 26, disodium salt (8CI);Ponceau Xylidine (6CI);1-(2,4-Xylylazo)-2-naphthol-3,6-disulfonic acid disodium salt;AcidLeather Red KPR;Acid Leather Red P 2R;Acid Leather Scarlet IRW;Acid Ponceau2RL;Acid Ponceau Special;Acid Scarlet;Acid Scarlet 2R;Acid Scarlet 2RL;Ahcocid FastScarlet R;Amacid Lake Scarlet 2R;Borunil Ponceau A 2R;Calcolake Scarlet 2R;Certicol Ponceau MXS;Colorosacid Scarlet;D and C Red No. 5;Disodium salt of1-(2,4-xylylazo)-2-naphthol-3,6-disulfonic acid;Edicol Supra Ponceau R;Food Red 5;Hexacol Ponceau 2R;Hexacol Ponceau MX;Hidacid Scarlet2R;Japan Red No. 503;Kiton Ponceau R;Naphthalene Lake Scarlet R;Naphthalene Scarlet R;Naphthazine Scarlet 2RN;Neklacid Red RR;Pigment Ponceau R;Ponceau 2R;Ponceau 2RL;Ponceau 2RX;Ponceau BNA;Ponceau G;Ponceau PXM;Ponceau R;Ponceau RR;PonceauRS;Ponceau Red R;Red No.503;Scarlet 2R;Scarlet 2RLBluish;Scarlet R;Tertracid Ponceau 2R;Xylidine Ponceau;Xylidine Red; |
EINECS: | 223-178-3 |
Melting Point: | >300℃ |
Solubility: | Slightly soluble in water |
Appearance: | dark red to bordeaux fine powder |
Hazard Symbols: | Xn, T |
Risk Codes: | 40-45 |
Safety: | 36-53-45 |
PSA: | 176.11000 |
LogP: | 5.54740 |
IUPAC Name: Disodium 4-[(2,4-dimethylphenyl)hydrazinylidene]-3-oxonaphthalene-2,7-disulfonate
Empirical Formula: C18H14N2Na2O7S2
Molecular Weight: 480.4225
EINECS: 223-178-3
Product Categories: Organics
Classification Code of Food Red No. 101 (CAS NO.3761-53-3): Mutation data; Tumor data
Food Red No. 101 (CAS NO.3761-53-3) is a red azo dye used in histology for staining.
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
mouse | LD50 | intraperitoneal | 2gm/kg (2000mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: ANTIPSYCHOTIC | Food and Cosmetics Toxicology. Vol. 4, Pg. 375, 1966. |
mouse | LD50 | intravenous | 1530mg/kg (1530mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | Science Reports of the Research Institutes, Tohoku University, Series C: Medicine. Vol. 36(1-4), Pg. 10, 1989. |
mouse | LD50 | oral | > 6600mg/kg (6600mg/kg) | Science Reports of the Research Institutes, Tohoku University, Series C: Medicine. Vol. 36(1-4), Pg. 10, 1989. | |
rat | LD50 | intraperitoneal | > 1gm/kg (1000mg/kg) | Food and Cosmetics Toxicology. Vol. 4, Pg. 375, 1966. | |
rat | LD50 | oral | 23160mg/kg (23160mg/kg) | BEHAVIORAL: MUSCLE WEAKNESS BEHAVIORAL: ATAXIA | Bromatologia i Chemia Toksykologiczna. Vol. 21, Pg. 65, 1988. |
IARC Cancer Review: Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 7 (1987),p. 56.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 8 (1975),p. 189.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Reported in EPA TSCA Inventory.
Hazard Codes: Xn,T
Risk Statements: 40-45
R45:May cause cancer.
R40:Limited evidence of a carcinogenic effect.
Safety Statements: 36-53-45
S36:Wear suitable protective clothing.
S53:Avoid exposure - obtain special instructions before use.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
WGK Germany: 3
RTECS: QJ6825000
Moderately toxic by intraperitoneal route. Questionable carcinogen with experimental carcinogenic and tumorigenic data. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx and SOx.
Food Red No. 101 (CAS NO.3761-53-3), its Synonyms are Ponceau MX ; 1-(2,4-Xylylazo)-2-naphthol-3,6-disulfonic acid, 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 ; 2,7-Naphthalenedisulfonic acid, 4-((2,4-dimethylphenyl)azo)-3-hydroxy-, disodium salt ; 3-Hydroxy-4-(2,4-xylylazo)-2,7-naphthalenedisulfonic acid, disodium salt ; 3-Hydroxy-4-(2,4-xylylazo)-2,7-naphthalenedisulphonic acid, disodium salt ; 4-((2,4-Dimethylphenyl)azo)-3-hydroxy-2,7-naphthalenedisulfonic acid, disodium salt ; 4-((2,4-Dimethylphenyl)azo)-3-hydroxy-2,7-naphthalenedisulphonic acid, disodium salt ; 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 ; Acid Scarlet 2B ; Acid Scarlet 2BN ; Acid Scarlet 2R ; Acid Scarlet 2R FOR Lakes Bluish . It is dark red to bordeaux fine powder. It is easily soluble in water and slightly in ethanol. It usually comes as a disodium salt.