Neutral Red 2gl is a dark red powder that is soluble in water. It is commonly used in the dyeing and printing of wool, silk, and polyamide fibers, as well as in leather dyeing.
12239-05-3
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Basic information
- Product Name: Neutral Red 2gl
- Synonyms: Acid Red 211;C.I.Acid Red 211;Neutral Red 2gl;Red 2GL;Chromate (1-), bis[4-[4-[(5-chloro-2-hydroxyphenyl)azo]-4, 5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulfonamidato(2-)], sodium;Lanyl Red GG;Taigalan Red 2G.
- CAS NO:12239-05-3
- Molecular Formula: C17H14IN5O4S
- Molecular Weight: 511.29
- EINECS: N/A
- Product Categories: N/A
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: dark red well-distributed powder
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: Neutral Red 2gl(CAS DataBase Reference)
- NIST Chemistry Reference: Neutral Red 2gl(12239-05-3)
- EPA Substance Registry System: Neutral Red 2gl(12239-05-3)
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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: 12239-05-3(Hazardous Substances Data)
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12239-05-3 Usage
Uses
Used in Textile Industry:Neutral Red 2gl is used as a dye for wool, silk, and polyamide fibers due to its ability to provide good light fastness, soaping fastness, and perspiration fastness. It is also used in leather dyeing.
Standard:
The standard for Neutral Red 2gl includes the following ratings for various properties:
Light Fastness: ISO 6
Soaping Fastness: 4-5
Perspiration Fastness: 5
Oxygen Bleaching: 4-5
Fastness to Seawater: 4
Fading: 4-5
Stain: 4-5
These ratings indicate the performance and durability of Neutral Red 2gl in various conditions, making it a suitable choice for dyeing and printing applications in the textile industry.
Preparation
2-Amino-4-chlorophenol diazo, and 3-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonamide coupling and chromium complexation, transformed into 1:2 chromium complex.Standard
Light FastnessFading
StainISO
6Check Digit Verification of cas no
The CAS Registry Mumber 12239-05-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,3 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.Calculate Digit Verification of CAS Registry Number 12239-05:
(7*1)+(6*2)+(5*2)+(4*3)+(3*9)+(2*0)+(1*5)=73
73 % 10 = 3
So 12239-05-3 is a valid CAS Registry Number.
12239-05-3Upstream product
12239-05-3Downstream Products
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Neutral Red 2gl
