Carmoisine | CAS No. 3567-69-9

Carmoisine

Basic Information

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CAS Number

3567-69-9

Molecular Formula

C20H12N2Na2O7S2

Molecular Weight

502.44 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Melting Point

>300 C

Boiling Point

No data available

Solubility

,Methanol; Water; DMSO

SMILES

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O=S(C1=C2C=CC=CC2=C(O)C(/N=N/C3=C4C=CC=CC4=C(S(=O)(O[Na])=O)C=C3)=C1)(O[Na])=O

InChI

InChI=1S/C20H14N2O7S2.2Na/c23-20-15-8-4-3-7-14(15)19(31(27,28)29)11-17(20)22-21-16-9-10-18(30(24,25)26)13-6-2-1-5-12(13)16;;/h1-11,23H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b22-21+;;

InChIKey

YSVBPNGJESBVRM-ZPZFBZIMSA-L

LogP

3.691600000000003

Topological Polar Surface Area

131.69000000000003 Å²

Hydrogen Bond Donor/Acceptor

1 / 9

Complexity

854

Safety Information

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GHS Hazard Pictograms

H315

H319

H335

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Storage Conditions

2-8℃

Synonyms & References

English

Chromotrope FB
Acid Red 14 (14720)
Chromotrope
Carmoisine
Azorubin
Acid Red 14
Azo Rubine
ACID RED 14, C.I. 14720
Acidic Red B
4-hydroxy-3,4'-azo-bis-naphthalene-1-sulfonic acid,disodium-salt
acidred2c
Brilliant Crimson Red
C.I. 14720
carmoisin
Carmoisine B
ciacidred
E122
foodred5
karmesin
red#14
Disodium 4-hydroxy-3-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonate
Mordant Blue 79
Acid Red 14 disodium salt
Azo Rubine S
4-Hydroxy-3-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonic acid disudium salt
Acid Red 14
C.I. Acid Red 14
Poloxal Red 2B
CI Acid Red
Nacarat
Nacarat (VAN)

MDL Number

MFCD00003978

FAQ

What is Carmoisine (CAS: 3567-69-9)?

Carmoisine is a synthetic organic dye used primarily as a food coloring agent. Its chemical formula is C16H11N3Na3O7S. Carmoisine is known for its deep red color and is often used in foods and pharmaceuticals to enhance appearance.

What are the main uses of Carmoisine (CAS: 3567-69-9)?

Carmoisine is mainly used as a food coloring agent, imparting a deep red color to a variety of foods. It is also used in pharmaceuticals, cosmetics, and as a research tool due to its stable color properties.

Is Carmoisine (CAS: 3567-69-9) safe?

Carmoisine is considered safe for use in food and pharmaceuticals when used within the approved concentration limits. However, it may cause allergic reactions in some individuals. It is important to follow safety guidelines and use appropriate personal protective equipment during handling.

How should Carmoisine (CAS: 3567-69-9) be stored?

Carmoisine should be stored in a cool, dry place away from direct sunlight and heat sources to maintain its stability. It should be kept in a tightly sealed container to prevent degradation. Proper storage ensures optimal performance and safety.