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EINECS 247-368-0
CAS No. 25956-17-6 Density
Solubility Melting Point >300 °C(lit.)
Formula C18H14N2O8S2.2Na Boiling Point
Molecular Weight 496.43 Flash Point
Transport Information Appearance 22-24/25
Safety Risk Codes
Molecular Structure Molecular Structure of 25956-17-6 (2-Naphthalenesulfonicacid, 6-hydroxy-5-[2-(2-methoxy-5-methyl-4-sulfophenyl)diazenyl]-, sodium salt(1:2)) Hazard Symbols

FDC Red 40 dye;Fancy Red;FoodRed 17;2-Naphthalenesulfonicacid, 6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfophenyl)azo]-, disodium salt(9CI);Allura Red40;Allura red;C.I. 16035;C.I. Food Red 17;FD and CRed No. 40;


ALLURA RED AC Chemical Properties

Molecular Formula: C18H14N2Na2O8S2
Formula Weight: 496.42
Melting Point of ALLURA RED AC (25956-17-6) : >300 °C(lit.)
Colour Index : 16035
Merck of ALLURA RED AC (25956-17-6) : 284
Specific Gravity: 1.80
Appearence and odor: ALLURA RED AC (25956-17-6) is a red powder with no odor

ALLURA RED AC Toxicity Data With Reference


orl-rat LD50:>10 g/kg

    FCTOD7    Food and Chemical Toxicology. 27 (1989),701.

skn-rbt LD50:>10 g/kg

    FCTOD7    Food and Chemical Toxicology. 27 (1989),701.

ALLURA RED AC Safety Profile

Low toxicity by ingestion and skin contact. Experimental reproductive effects. When heated to decomposition it emits very toxic fumes of NOx and SOx.
Safety Statements : 22: Do not breathe dust
24/25: Avoid contact with skin and eyes 
RTECS : QK2260000

ALLURA RED AC Specification

Storage: Keep container in a cool, well-ventilated area. Keep container tightly closed.

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