Solvent Yellow 21 CAS 12220-52-9 C. I. 18690 Acid Yellow 59

• CAS No.: 12220-52-9
• Formula: C34h24crn8o6.H
• EINECS: 227-022-5
• Use: Paints, Plastics, Textile, Leather, Ink
• Colour: Yellow
• Appearance: Powder
• Model NO.: SUREST-377
• Type: Synthetic
• Shelf Life: 2 Years
• Stock: Available
• Molecular Weight: 693.62
• C.I.Number: C.I. 18690
• Boiling Point: 461.9°c at 760 Mmhg
• Flash Point: 233.1°c
• Density: 1.445[at 20ºC]
• Transport Package: 25kg /Drum
• Specification: 98%min
• Trademark: Surest
• Origin: China
• HS Code: 3204170090
• Production Capacity: 1000 Tons Yearly

Product Description

 

Product Description

  
 

Name	Solvent Yellow 21
Synonyms	Acid Yellow 59; Acid Yellow 161; Acid Yellow 118; Hydrogen bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato]chromate
Molecular Structure
Molecular Formula	C34H24CrN8O6^.H
Molecular Weight	693.62
CAS Registry Number	5601-29-6 (12220-52-9)

 

Main Uses:

 

Solvent yellow 21, also known as solvent yellow BL, is characterized by good solubility in organic solvents, bright colors, good fast performance of a class of high-grade colorant, mainly used in wood dyeing, various natural and synthetic leather coloring, And all kinds of metal transparent coatings, solvent-based inks, aluminum foil, vacuum electroplating thin and hot stamping materials coloring.

 

Properties:
- Appearance: Natural yellow crystal, soluble in organic solvents such as ethanol and ether solvents, slightly soluble in water.
- Stability: Relatively stable, not easy to decompose at room temperature, but by the action of light and oxidants will fade.
Uses:
- Solvent yellow 21 can be widely used in dye industry and chemical analysis.
- In the dye industry, it is often used to dye textiles, leather and plastics, and can be used as a colorant for paints, inks and pigments.
- In chemical analysis, the solvent yellow 21 can be used as an indicator and a chromogenic agent, such as in acid-base titration.

Detailed Photos

 

 

 
 
 





 

FAQ

 

Question 1: Can I get samples?
Answer: Yes,you can get free samples of our most products,
while the courier cost will be borne by the buyers.

Question 2: What's your MOQ?
Answer: For a express delivery order,the MOQ is usually 100 g~1 kg;
for an air transport order or sea delivery order ,the MOQ is usually 25 kgs.

Question 3: What's your delivery time?
Answer:
Orders shipped by express delivery,the delivery time is usually 5~7 working days;
Orders shipped by air transport,usually around 7~10 working days;
Orders shipped by sea , usually around 2~3 working weeks.

Question 4: What are the different payment methods?
Answer: We usually accept T/T, L/C and Western Union.

Question 5: How do you treat quality complaint?
We take quality very seriously, it is one of the founding principles of our business.
 If the quality problem actually exists, we will replace with qualified goods or refund the money.