Acid Orange 56

Acid Orange 56

CAS Number
6470-20-8
Molecular Formula
C32H22N6Na2O8S2
Purity
Acid Orange 56 98% purity
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About Acid Orange 56

Acid Orange 56 (CAS 6408-26-0) is a specialized monoazo dye increasingly utilized in the United States within the API intermediates market for the development of diagnostic reagents and as a marker in pharmaceutical research where a Pharma/API purity 99% is required to ensure consistent bio-analytical results. CI 17055...

Acid Orange 56 Specifications

CAS Number
6470-20-8
Molecular Formula
C32H22N6Na2O8S2
Molecular Weight
728.66 g/mol
IUPAC Name
disodium;2-[4-[(2-hydroxynaphthalen-1-yl)diazenyl]-2-sulfonatophenyl]-5-[(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)diazenyl]benzenesulfonate
Canonical SMILES
CC1=NN(C(=O)C1N=NC2=CC(=C(C=C2)CCC3=CC(=C(C=C3)N=NC4=C(C=CC5=CC=CC=C54)O)S(=O)(=O)[O-])S(=O)(=O)[O-])C6=CC=CC=C6.[Na+].[Na+]
InChI Key
JCGDEGCAEZOBSD-UHFFFAOYSA-L
InChI
InChI=1S/C32H24N6O8S2/c1-19-30(32(40)38(37-19)23-8-3-2-4-9-23)35-33-21-12-14-25(28(17-21)47(41,42)43)26-15-13-22(18-29(26)48(44,45)46)34-36-31-24-10-6-5-7-20(24)11-16-27(31)39/h2-18,30,39H,1H3,(H,41,42,43)(H,44,45,46)
EINECS Number
229-294-0
MDL Number
MFCD01941299
HSN No
32041292
Molecular Weight
728.66 g/mol
Purity
Acid Orange 56 98% purity
pKa
1.51±0.25
logP
-0.8
Precautionary Statement Codes
P261, P264+P265, P272, P280, P302+P352, P305+P351+P338, P321, P333+P317, P337+P317, P362+P364, and P501
Hazard Classes and Categories
Skin Sens. 1 (96.4%) Eye Irrit. 2A (100%)

Textile Dye

A double azo anionic acid dye primarily used for dyeing and printing protein fibers such as wool and silk, as well as synthetic polyamides like nylon, to achieve vibrant red-light orange shades

Leather Dye

An effective colorant utilized for dyeing and shading chrome-tanned leather through ionic interaction with collagen fibers under acidic conditions

Paper Colorant

A versatile dye employed in paper manufacturing for surface coating, coloration, and shading to provide orange hues with good light and washing fastness

Plastic Colorant

An acidic dye suitable for coloring applications in both thermoset and thermoplastic polymer systems.

Acid Orange 56 FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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