12217-29-7 Usage
Preparation
1,4,5,8-Tetrahydroxyanthracene-9,10-dione using hydrochloric acid reduction or 1,4-Dichloro-5,8-dihydroxyanthracene-9,10-dione? and condensation 4-Butylbenzenamine, oxidation, with 100% sulphonated sulfuric acid, and then into sodium salt.
Properties and Applications
blue. Used in mulberry silk, polyamide, wool fabric and the tussah dyeing and printing, but 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
6
3-4
4-5
4-5
4-5
4
5
5
Standard
Light Fastness
Fading
Stain
ISO
6
Check Digit Verification of cas no
The CAS Registry Mumber 12217-29-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,1 and 7 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 12217-29:
(7*1)+(6*2)+(5*2)+(4*1)+(3*7)+(2*2)+(1*9)=67
67 % 10 = 7
So 12217-29-7 is a valid CAS Registry Number.