4-Amino-5-hydroxy-6-[(2,3,5-trichloro-6-hydroxyphenyl)azo]-1,3-naphthalenedisulfonic acid disodium salt is a synthetic azo dye characterized by its green navy blue color. It is soluble in water, displaying a dark red light blue hue, and slightly soluble in ethanol, where it exhibits a red light blue color. When dissolved in concentrated sulfuric acid, it appears as a blue light gray, and upon dilution, it forms a dark purple precipitate. The dye's aqueous solution reacts with concentrated hydrochloric acid, resulting in brown precipitation, and with concentrated sodium hydroxide solution, it turns blue light red.
6222-49-7
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Basic information
- Product Name: 4-Amino-5-hydroxy-6-[(2,3,5-trichloro-6-hydroxyphenyl)azo]-1,3-naphthalenedisulfonic acid disodium salt
- Synonyms: 4-Amino-5-hydroxy-6-[(2,3,5-trichloro-6-hydroxyphenyl)azo]-1,3-naphthalenedisulfonic acid disodium salt;C.I.17250;C.I.Mordant Blue 44
- CAS NO:6222-49-7
- Molecular Formula:
- Molecular Weight: 0
- EINECS: N/A
- Product Categories: N/A
- Mol File: 6222-49-7.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: /
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: 4-Amino-5-hydroxy-6-[(2,3,5-trichloro-6-hydroxyphenyl)azo]-1,3-naphthalenedisulfonic acid disodium salt(CAS DataBase Reference)
- NIST Chemistry Reference: 4-Amino-5-hydroxy-6-[(2,3,5-trichloro-6-hydroxyphenyl)azo]-1,3-naphthalenedisulfonic acid disodium salt(6222-49-7)
- EPA Substance Registry System: 4-Amino-5-hydroxy-6-[(2,3,5-trichloro-6-hydroxyphenyl)azo]-1,3-naphthalenedisulfonic acid disodium salt(6222-49-7)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 6222-49-7(Hazardous Substances Data)
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6222-49-7 Usage
Uses
Used in Textile Industry:4-Amino-5-hydroxy-6-[(2,3,5-trichloro-6-hydroxyphenyl)azo]-1,3-naphthalenedisulfonic acid disodium salt is used as a dye for the textile industry due to its vibrant color and solubility properties. Its ability to produce a range of hues makes it suitable for coloring various types of fabrics.
Used in Color Fastness Applications:
4-Amino-5-hydroxy-6-[(2,3,5-trichloro-6-hydroxyphenyl)azo]-1,3-naphthalenedisulfonic acid disodium salt is utilized in the development of color fastness standards, ensuring that the dyed materials maintain their color under various conditions. It is tested for its performance in terms of ironing fastness (ISO 3-4), light fastness (ISO 6), fulling (ISO 4-5), perspiration fastness (ISO 5), soaping (ISO 5), water resistance, alkali resistance, and acid resistance. These tests help determine the suitability of the dye for different applications and environmental conditions.
Preparation
2-Amino-3,4,6-trichlorophenol diazotization, and 4-Amino-5-hydroxynaphthalene-1,3-disulfonic acid coupling.Standard
Ironing FastnessAlkali
AcidISO
3-4Check Digit Verification of cas no
The CAS Registry Mumber 6222-49-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,2,2 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.Calculate Digit Verification of CAS Registry Number 6222-49:
(6*6)+(5*2)+(4*2)+(3*2)+(2*4)+(1*9)=77
77 % 10 = 7
So 6222-49-7 is a valid CAS Registry Number.
InChI:InChI=1/C16H10Cl3N3O8S2.2Na/c17-6-3-7(18)15(23)14(12(6)19)22-21-8-2-1-5-9(31(25,26)27)4-10(32(28,29)30)13(20)11(5)16(8)24;;/h1-4,23-24H,20H2,(H,25,26,27)(H,28,29,30);;/q;2*+1/p-2
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4-Amino-5-hydroxy-6-[(2,3,5-trichloro-6-hydroxyphenyl)azo]-1,3-naphthalenedisulfonic acid disodium salt
