6507-77-3 Usage
Description
Acid Orange 33 is a red light orange dye that is soluble in water, ethanol, and strong sulfuric acid, exhibiting gold orange and orange colors respectively. Its water solution turns orange when mixed with hydrochloric acid and yellow brown when added to a thick sodium hydroxide solution.
Uses
Used in Textile Industry:
Acid Orange 33 is used as a dye for wool, silk, and polyamide fiber dyeing and printing due to its colorfastness properties.
Used in Paper Industry:
Acid Orange 33 is used for paper, hemp, sisal, leather, and straw dyeing.
Standard:
Acid Orange 33 has a light fastness rating of 4-5, soaping fastness rating of 3-4, perspiration fastness rating of 3-4, oxygen bleaching fastness rating of 3, and fastness to seawater rating of 3. It also has a fading rating of 3 and a staining rating of 4.
Standard
Light Fastness
Fading
Stain
ISO
4-5
Check Digit Verification of cas no
The CAS Registry Mumber 6507-77-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,0 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6507-77:
(6*6)+(5*5)+(4*0)+(3*7)+(2*7)+(1*7)=103
103 % 10 = 3
So 6507-77-3 is a valid CAS Registry Number.
InChI:InChI=1/C34H30N4O8S2.2Na/c39-28-15-13-27(14-16-28)36-35-25-9-5-23(6-10-25)34(18-2-1-3-19-34)24-7-11-26(12-8-24)37-38-33-30(40)17-4-22-20-29(47(41,42)43)21-31(32(22)33)48(44,45)46;;/h4-17,20-21,35,37H,1-3,18-19H2,(H,41,42,43)(H,44,45,46);;/q;2*+1/p-2/b38-33+;;
