Acid Yellow 11

Basic Information

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CAS Number

6359-82-6

Molecular Formula

C16H13N4NaO4S

Molecular Weight

380.35 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

SMILES

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O=C1C(/N=N/c2ccccc2)C(=NN1c1ccc(cc1)S(=O)(=O)[O-])C.[Na+]

InChI

1S/C16H14N4O4S.Na/c1-11-15(18-17-12-5-3-2-4-6-12)16(21)20(19-11)13-7-9-14(10-8-13)25(22,23)24;/h2-10,21H,1H3,(H,22,23,24);/q;+1/p-1/b18-17+;

InChIKey

UDTJJVCMRRCRDB-ZAGWXBKKSA-M

LogP

4.28660

Complexity

662

Synonyms & References

English

acid yellow 11
AcidYellow11100GR
AcidYellow1125GR
sodium,4-(3-methyl-5-oxo-4-phenyldiazenyl-4H-pyrazol-1-yl)benzenesulfonate
Acid Brilliant Yellow G
EINECS 228-808-0
Acid light yellow G
C.I. Acid yellow 11
flavazin l (c.i. 18820)
C.1.Acid Yellow 11(18820)
Fiavazin
L Acid Light Yellow G
Sodium 4-(3-hydroxy-5-methyl-4-phenylazopyrazol-2-yl)benzenesulphonate

MDL Number

MFCD00003122

Customs Code

32041200

FAQ

What is Acid Yellow 11 (CAS: 6359-82-6)?

Acid Yellow 11 (CAS: 6359-82-6) is a synthetic organic compound commonly used as a food colorant and dye. It has a molecular formula of C14H10N2O5S and a melting point of 210-215°C. It is known for its bright yellow color and stability under various conditions.

What are the main uses of Acid Yellow 11 (CAS: 6359-82-6)?

Acid Yellow 11 (CAS: 6359-82-6) is primarily used as a food colorant, providing a bright yellow hue to a variety of foods and beverages. It is also used in textiles and inks for dyeing fabrics and printing. Additionally, it serves as a pigment in paints and varnishes.

Is Acid Yellow 11 (CAS: 6359-82-6) safe?

Acid Yellow 11 (CAS: 6359-82-6) is considered safe for use as a food colorant when used in accordance with regulatory guidelines. However, it is important to follow safety precautions, such as avoiding skin contact and inhalation, and to store it in a cool, dry place away from direct sunlight.

How should Acid Yellow 11 (CAS: 6359-82-6) be stored?

Acid Yellow 11 (CAS: 6359-82-6) should be stored in a cool, dry place away from direct sunlight and heat sources. It should be kept in well-closed containers to prevent contamination and degradation. Avoid storing it in areas with high humidity to maintain its stability and color.