High Purity with Low Price Phenol Red CAS#143-74-8

• CAS No.: 143-74-8
• Formula: C19h14o5s
• EINECS: 205-609-7
• Classification: Organic Analytical Reagents
• Grade: AR
• Specific Usage: For Biological Purpose, For Electron Microscopy, For Lens Blooming, For Scintillation, For Refractive Index
• Model NO.: 143-74-8
• Content: Standard
• Usage: Laboratory Reagents, Analytical Reagents, Diagnostic Reagents
• Source: Dry Powder
• Habit Appellation: Fine Chemicals
• Application: Industry, Scientific Research, Health, Environmental Protection, Agriculture
• Property: Organic Reagent
• Brand: Lonwin
• Pack: as Request
• Assay: 99%
• Loss on Drying: 1% Max
• Transport Package: 25kgs /Drum
• Specification: purity 99% min
• Trademark: lonwin
• Origin: Made in China
• HS Code: 3822009000
• Production Capacity: 23mt Per Year

Product Description

Quick Details
CAS No.:
143-74-8
Other Names:
Phenolsulfonephthalein
MF:
C19H14O5S
EINECS No.:
205-609-7
Place of Origin:
China
Type:
Chemical indicators
Purity:
-
Brand Name:
Lonwinchem

Model Number:
km-306
Application:
Used as chemical indicator.
Appearance:
Dark red powder
Molecular weight:
354.38
PH indicator range:
1.2 (orange) -3.0(yellow); 6.5(yellow-brown)- 8.0(purple)
Solution test in alkali:
qualified
Loss on drying:
1.0%max
Residue on ignition (as sulfate):
0.2%max
Supply Ability
Supply Ability:
2000 Kilogram/Kilograms per Month
Packaging & Delivery
Packaging Details
25KG/ fiber drum
Port  :China Port


 

Items	Technical index
Product name	Phenol Red
Synonym	Phenolsulfonephthalein
Appearance	Dark red powder
PH indicator range	1.2 (orange) -3.0(yellow) 6.5(yellow-brown)- 8.0(purple)
Maximum absorption wave-length(nm)	λ1(PH1.2)  503---506 λ2(PH3.0)  430---435 λ3(PH6.5)  430---435 λ4(PH 8.0)  557---560
Mass absorption coefficient(L/cm·g)	α1 (λ1,PH 1.2,dry sample)110---123 α2 (λ2,PH3.0,dry sample)60---68 α3 (λ3,PH 6.5,dry sample)62---72 α4 (λ4,PH 8.0,dry sample)115-130
Solution test in alkali	qualified
Loss on drying	1.0%max
Residue on ignition (as sulfate)	0.2%max

 
 
Package: --25KG/ fiber drum
 
 
Application: --Used as chemical indicator.