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Home > Encyclopedia > Acid Red 33

Acid Red 33

Acid Red 33 structure

Acid Red 33 

structure
  • CAS No:

    3567-66-6

  • Formula:

    C16H13N3O7S2.2Na

  • Chemical Name:

    Acid Red 33

  • Synonyms:

    2,7-Naphthalenedisulfonic acid,5-amino-4-hydroxy-3-(2-phenyldiazenyl)-,sodium salt (1:2);C.I. Acid Red 33;C.I. Acid Red 33,disodium salt;2,7-Naphthalenedisulfonic acid,5-amino-4-hydroxy-3-(phenylazo)-,disodium salt;Red 10B;1424 Red;11427 Red;C.I. 17200;Acetyl Red B;Acid Fuchsine D;Acid Red B;Acid Red 2A;Amacid Fuchsine 4B;Azo Fuchsine;Azo Grenadine;Azo Magenta G;Brasilan Fuchsine D;Certicol Red B;Colacid Red 2A;C.I. Food Red 12;Edicol Supra Red 10B;Eniacid Fuchsine BN;Fast Acid Magenta B;Hexacol Red 10B;Hexalan Red B;Hispacid Fuchsin B;D&C Red No. 33;Acid Fuchsin Fast B;Edicol Supra Red 10BS;Acid Red 33;Red No. 227;Naphthalene Red B;D and C Red No. 33;Fast Acid Magenta;Azofuchsin (biological stain);Azofuchsin;Japan Red 227;Disodium 1-hydroxy-2-phenylazo-8-aminonaphthalene-3,6-disulfonate;Puricolor Red ARE 33;D & C Red 33;Japan Red No. 227;Acid Fuchsine 90120;Red 10B307042;D&C Red No. 33-307002;D&C Red No. 33-38013;Fabracid Fuchsine S-B;Romexal Red 2A;Cosmetic Red 17000;D&C Red No. 33-90120;Acid Fuchsine 38013;Red 33;Food Red 12;Red CI 17200;Unicert Red K 7057J;64553-75-9

  • Categories:

    Cosmetic Ingredient  >  Cosmetic Colorant

Description

solid

Acid Red 33 Basic Attributes

467.38

466.98300

222-656-9

9DBA0SBB0L

DTXSID1044562

Characteristics

202.13000

5.09400

solid

1.747

Safety Information

NONH for all modes of transport

R36;R37;R38

QJ6197000

Stable. Incompatible with strong oxidizing agents.

P305 + P351 + P338

H319

|Warning|H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]|P264, P280, P305+P351+P338, and P337+P313|Aggregated GHS information provided by 391 companies from 4 notifications to the ECHA C&L Inventory.

Drug Information

5-amino-4-hydroxy-3-(phenylazo)-2,7-naphthalenedisulfonic acid

Acid Red 33 Use and Manufacturing

Uses

Food Additives -> COLOUR; -> JECFA Functional Classes

2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-(2-phenyldiazenyl)-, sodium salt (1:2): ACTIVE

EPA Safer Chemical Functional Use Classes -> Colorants|Safer Chemical Classes -> Yellow triangle - The chemical has met Safer Choice Criteria for its functional ingredient-class, but has some hazard profile issues|Cosmetics -> Cosmetic colorant; Hair dyeing

Food Additives -> COLOUR;

Computed Properties

Molecular Weight:467.4
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:10
Rotatable Bond Count:2
Exact Mass:466.98338061
Monoisotopic Mass:466.98338061
Topological Polar Surface Area:202
Heavy Atom Count:30
Complexity:757
Covalently-Bonded Unit Count:3
Compound Is Canonicalized:Yes

Drug Function and Efficacy

Red 33 (also known as D&C Red No. 33) is a synthetic colorant used to impart red color in food, drugs, and cosmetics.

This ingredient has been used in drugs with the following functions (note: it does not mean that the ingredient itself has the following health functions)

Related Drugs

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