12238-94-7
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Basic information
- Product Name: Neutral Brown Rl
- Synonyms: Acid Brown 28;Neutral Brown Rl;NEUTER BROWN RL;C.I. Acid brown 28;Brown RL;Lanyl Brown R
- CAS NO:12238-94-7
- Molecular Formula: C15H14O5
- Molecular Weight: 274.27
- EINECS: N/A
- Product Categories: N/A
- Mol File: 12238-94-7.mol
- Article Data: 0
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: kind of Black Tan powder
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: Neutral Brown Rl(CAS DataBase Reference)
- NIST Chemistry Reference: Neutral Brown Rl(12238-94-7)
- EPA Substance Registry System: Neutral Brown Rl(12238-94-7)
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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: 12238-94-7(Hazardous Substances Data)
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12238-94-7 Usage
Preparation
2-Amino-4-nitrophenol diazo, and N-(2-hydroxy-5-methylphenyl)acetamide?coupling, and then turn it into 1:2 chromium complex.Properties and Applications
red light brown. Black brown powder, soluble in water for black brown solution. Used for wool, silk, polyamide, PVA and their blended fabric dyeing and printing, also can be used for leather dyeing. Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater Fading Stain Fading Stain Fading Stain ISO 7 5 5 4-5 4 4-5 5Standard
Light FastnessFading
StainISO
7Check Digit Verification of cas no
The CAS Registry Mumber 12238-94-7 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 8 respectively; the second part has 2 digits, 9 and 4 respectively.Calculate Digit Verification of CAS Registry Number 12238-94:
(7*1)+(6*2)+(5*2)+(4*3)+(3*8)+(2*9)+(1*4)=87
87 % 10 = 7
So 12238-94-7 is a valid CAS Registry Number.
12238-94-7Upstream product
12238-94-7Downstream Products
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Neutral Brown Rl
