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HomeProduct name listACID RED 1

ACID RED 1

Synonym(s):Acid Red 1;Amido Naphthol Red G;Azophloxine;Food Red 10

  • CAS NO.:3734-67-6
  • Empirical Formula: C18H13N3Na2O8S2
  • Molecular Weight: 509.42
  • MDL number: MFCD00003954
  • EINECS: 223-098-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-07-14 20:44:35
ACID RED 1 Structural

What is ACID RED 1?

Chemical properties

Dark red powder

The Uses of ACID RED 1

Acid Red 1 is a synthetic red azo dye used as food additive. Studies have shown that Red Acid 1 is converted to toxic compound aniline and may ultimately interfere with blood haemoglobin.

The Uses of ACID RED 1

A useful stain with color index of 18050.

What are the applications of Application

Azophloxine is a useful stain with color index of 18050

Definition

ChEBI: An organic sodium salt that is the disodium salt of 5-acetamido-4-hydroxy-3-(phenyldiazenyl)naphthalene-2,7-disulfonic acid.

Preparation

aniline diazo, and 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid coupling.

Flammability and Explosibility

Non flammable

Purification Methods

Salt it out three times with sodium acetate, then repeatedly extract it with EtOH. See Solochrome Violet R in “Aromatic compounds”, Chapter 4. [McGrew & Schneider J Am Chem Soc 72 2547 1950.]

Properties and Applications

colourful red blue light. Red powder. Soluble in water solution for big red, slightly soluble in ethanol and soluble fiber element, insoluble in other organic solvents. Meet strong sulfuric acid is blue light red, it will be diluted in a yellow after red; Meet nitric acid solution is orange turn orange; Meet strong hydrochloric acid generation red precipitation, dilute it dissolve. The aqueous solution of dyes and strong hydrochloric acid is product red; Add sodium hydroxide is orange brown. Copper ions in dyeing and dark blue colour and lustre to take; Iron ion in color with blue and light. Good levelness. Mainly used in strong acid medium in the wool dyeing and the piece dyed wool. Can be directly in the wool fabrics, polyamide fiber and fabric silk printing. Also can be used for leather dyeing, also can be used in the manufacture of color amylum, cosmetics, paper, soap and timber colorants, is used to make the ink. The Barium salt can be used in organic pigments.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 5 3 5 4-5 1 4 2 1
AATCC 4 2 2 2 1 1 2 2

Properties of ACID RED 1

Boiling point: 794.21℃[at 101 325 Pa]
Density  1.37-1.774[at 20℃]
vapor pressure  0-0Pa at 25℃
storage temp.  Amber Vial, Refrigerator
solubility  Methanol (Slightly), Water (Slightly)
form  neat
Colour Index  18050
color  Very Dark Red
Water Solubility  131.97g/L at 20℃
BRN  4121767
Stability: Light Sensitive
EPA Substance Registry System C. I. Food Red 10 (3734-67-6)

Safety information for ACID RED 1

Computed Descriptors for ACID RED 1

Abamectin manufacturer

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