CAS 846-70-8

Acid Yellow 1

Description:

Acid Yellow 1, with the CAS number 846-70-8, is a synthetic azo dye commonly used in various applications, including textiles, food, and cosmetics. It is characterized by its bright yellow color, which results from the presence of azo functional groups (-N=N-). This compound is water-soluble, making it suitable for use in aqueous dyeing processes. Acid Yellow 1 exhibits good lightfastness and stability under acidic conditions, which is advantageous for its application in acidic dyeing environments. However, like many azo dyes, it may raise concerns regarding potential toxicity and environmental impact, particularly due to the possibility of releasing aromatic amines upon degradation. Safety data sheets typically recommend handling it with care, using appropriate personal protective equipment to minimize exposure. Overall, Acid Yellow 1 is valued for its vibrant hue and versatility, but its use is subject to regulatory scrutiny in various regions due to health and environmental considerations.

Formula: C₁₀H₆N₂O₈S·2Na

InChI: InChI=1S/C10H6N2O8S.2Na/c13-10-7-3-5(21(18,19)20)1-2-6(7)8(11(14)15)4-9(10)12(16)17;;/h1-4,13H,(H,18,19,20);;

InChI key: InChIKey=IMLARSADUHFAPD-UHFFFAOYSA-N

SMILES: N(=O)(=O)C=1C2=C(C(O)=C(N(=O)=O)C1)C=C(S(=O)(=O)O)C=C2.[Na]

Synonyms:

• (2,4-Dinitro-7-Sodiooxysulfonyl-1-Naphthyl)Oxysodium
• 1307 Yellow
• 1422 Yellow
• 2-Naphthalenesulfonate, 5,7-Dinitro-8-Olato-, Sodium Salt (1:1)
• 2-Naphthalenesulfonic acid, 8-hydroxy-5,7-dinitro-, disodium salt
• 2-Naphthalenesulfonic acid, 8-hydroxy-5,7-dinitro-, sodium salt (1:2)
• 5,7-Dinitro-8-hydroxy-2-naphthalenesulfonic acid, disodium salt
• A.F. Yellow No.1
• Acid Leather Yellow NYS
• Acid Yellow S
• Acid yellow 1
• Amacid Yellow S
• Calcocid Yellow S
• Disodium 5,7-Dinitro-8-Oxidonaphthalene-2-Sulfonate
• Disodium 5,7-Dinitro-8-Oxidonaphthalene-2-Sulphonate
• Dolkwal Naphthol Yellow S
• Dynacid Yellow S
• Edicol Supra Yellow Y
• Ext D & C Yellow 7
• Ext D and C Yellow No. 7
• Ext D&C Yellow No. 7
• Ext D&C Yellow No. 7-38007
• Ext D&C Yellow No. 7-90126
• External D and C Yellow 7
• External Yellow 7
• FD and C Yellow No. 1
• Flavianic acid disodium salt
• Flavianic acid sodium salt
• Hispacid Yellow NSF
• Japan Yellow 403-1
• Japan Yellow No. 403-1
• Java Naphthol Yellow S
• KCA Naphthol Yellow S
• Kiton Yellow S
• Maple Naphthol Yellow S
• Monacid Yellow RS
• Nankai Naphthol Yellow S
• Naphthol Lake Yellow FY
• Naphthol Yellow
• Naphthol Yellow L
• Naphthol Yellow OS
• Naphthol Yellow PL
• Naphthol Yellow RS
• Naphthol Yellow S 38007
• Naphthol Yellow S 90126
• Naphthol Yellow S sodium salt
• Naphthol Yellow SEL 12
• Naphthol Yellow SFQ
• Naphthol Yellow SNA
• Naphthol Yellow SXX
• NaphtholYellowSsodiumsalt
• Naphtocard Yellow S
• Naphtol Yellow S
• Paper Yellow L
• Rakuto Naphthol Yellow S
• Sodium flavianate
• Solar Yellow NY
• Solar Yellow NY conc
• Solar Yellow NY, sodium salt
• Sulfur Yellow S
• Transparent Yellow Lake 16091
• Triacid Yellow S
• Yellow 403-1
• Yellow Lake 71
• Yellow No. 403
• Yellow No. 403-1
• naphthol yellow S (C.I. 10316)
• C.I. 10316~5,7-Dinitro-8-hydroxy-2-naphthalenesulphonic acid disodium salt~Flavianic acid disodium salt
• C.I. Acid Yellow 1
• C.I. 10316
• C.I. Food Yellow 1

Naphthol Yellow S

CAS: 846-70-8

Formula: C₁₀H₄N₂Na₂O₈S

Purity: >98.0%(T)(HPLC)

Color and Shape: Light yellow to Brown powder to crystal

Molecular weight: 358.19

Ref: 3B-F0100

Naphthol Yellow S

CAS: 846-70-8

Naphthol Yellow S

Formula: C₁₀H₄N₂O₈S·2Na

Purity: ≥95%

Color and Shape: orange powder

Molecular weight: 358.19g/mol

Ref: 54-OR9003

Naphthol Yellow S

CAS: 846-70-8

Formula: C₁₀H₄N₂Na₂O₈S

Color and Shape: Yellow to orange or dark orange powder

Molecular weight: 358.20

Ref: 7W-GT6579

Acid yellow 1

CAS: 846-70-8

Acid yellow 1 is a dye for amino acid and peptide precipitations.

Formula: C₁₀H₄N₂Na₂O₈S

Color and Shape: Light Yellow Powder

Molecular weight: 358.19

Ref: TM-T29609

Naphthol Yellow S

CAS: 846-70-8

Formula: C₁₀H₄N₂O₈SNa

Color and Shape: Neat

Molecular weight: 358.1919

Ref: 04-C15432000

Yellow No.403(1) for TLC RS

CAS: 846-70-8

Color and Shape: Yellow To Reddish Yellow Solid Grain Or Powder

Ref: 2K-4028000021

Naphthol Yellow S Hydrate

Controlled Product

CAS: 846-70-8

Applications Naphthol Yellow S Hydrate is used in methods for dying of textiles.
References Schoepgens, J., et al.: Ger. Offen., (2020);

Formula: C₁₀H₄N₂O₈S·2Na

Color and Shape: Neat

Molecular weight: 358.1919

Ref: TR-N369048