Acid Red 87 CAS 17372-87-1 C. I. 45380 Eosin Yellowish

• CAS No.: 17372-87-1
• Formula: C20h6br4na2o5
• EINECS: 241-409-6
• Appearance: Powder
• Classification: S
• Certification: CCIC
• Model NO.: SUREST-91
• Purity: 90%~99%
• Type: Sodium Hydrosulfide
• Grade Standard: Industrial Grade
• Shelf Life: 2 Years
• Stock: Available
• Color: Red
• Molecular Weight: 691.86
• Water Solubility: Freely Soluble
• Transport Package: 25kg or 200 Kg/Barrel
• Specification: 98%min
• Trademark: Surest
• Origin: China
• HS Code: 3204120000
• Production Capacity: 1000 Tons Yearly

Product Description

Acid Red 87
  
 

Name	Acid Red 87
Synonyms	C.I. 45380; Eosin Yellowish; 2',4',5',7'-Tetrabromofluorescein disodium salt; Disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate
Molecular Structure
Molecular Formula	C20H6Br4Na2O5
Molecular Weight	691.86
CAS Registry Number	17372-87-1
EINECS	241-409-6

Properties

Water solubility	freely soluble

Chemical Property/Description

Appearance: red to brown crystalline powder solubility: soluble in water, slightly soluble in alcohol, insoluble in ether.
When concentrated sulfuric acid is yellow, it is diluted to produce a yellowish-red precipitate.
Refractive index is 1.842 ,storage conditions Warehouse ventilation Low temperature dry flash point 366.5ºC ,boiling point is 682.3ºC at 760 mmHg ,density is  2.41 g/cm3

Main Uses:

It is mainly used for making red ink and red pencil, and can also be used for dyeing wool, silk and nylon.

Used for red ink and red pencil, used for wool, silk, cotton fiber, leather dyeing, refined can be used as biological dyeing agent, can be used for makeup, soap and other coloring, in cosmetics mainly used for lipstick coloring agent, not for eye cosmetics, not recommended for facial cosmetics and nail oil. Its aluminum lake can be used in cosmetics.