Low Price with Low Price 2, 4, 5-7-Tetrabromofluorescein Disodium Salt CAS#548-26-5

• CAS No.: 548-26-5
• Formula: C20h8br4o5
• EINECS: 60-82-2
• Classification: Organic Analytical Reagents
• Grade: AR
• Specific Usage: For Tissue Medium Purpose, For Microbiological, For Lens Blooming, Super Special Grade, For Refractive Index
• Model NO.: C20H6Br4Na3O5
• 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
• Assay: Lonwin
• Pack: 25kgs
• Delivery: 12 Days
• Brand: Lonwin
• Transport Package: 25kgs /Drum
• Specification: purity 99.5% min
• Trademark: lonwin
• Origin: Made in China
• HS Code: 3822009000
• Production Capacity: 23mt Per Year

Product Description

Quick Details
CAS No.:
548-26-5
Other Names:
eosinesaltfree
MF:
C20H8Br4O5
Place of Origin:Shanghai China
Type:
Agrochemical Intermediates, Dyestuff Intermediates, Flavor & Fragrance Intermediates, Pharmaceutical Intermediates, Syntheses Material Intermediates
Purity:
99.9%min
Brand Name: Lonwinchem
Model Number:
DAC170112
Application:
Pharmceutical/Chemical Industries
Appearance:
Crystal
Test Method:
Based on EP 9.0/USP39/BP2015
Content:
99.0% to 101.0%
Test method:
HPLC-ESI-MS
Water:
0.5% Max.
Sulfated ash:
0.1% Max.
Heavy metals:
10ppm Max
Total Impurity:
0.2% Max.
Total plate count:
≤1000cfu/g
Yeast and Moulds:
≤100cfu/g
E. Coli.:
Absent
Supply Ability
Supply Ability:
100 Ton/Tons per Year
Packaging & Delivery
Packaging Details
25kgs/Drum; 5kgs/Tin&10kgs/Carton
Port
Any main port of China

   

Product Description

  Our  Referance Specification, for more details, pls contact us for COA,MSDS and certification:

 

 

 

Item	Standard		Test Results
Identification	A.H-NMR:Comply with the structure		Complies
	B.LC-MS:Comply with the structure		Complies
	C.The IR spectrum of sample should be identical with that of reference standard;		Complies
	D.HPLC-ESI-MS The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.		Complies
Crystallinity	meets the requirements.		Complies
Loss on drying	≤2.0%		0.19%
Heavy metals	≤10 ppm		<10ppm
Water	≤1.0%		0.1%
Sulphated ash	≤0.5%, determined on 1.0 g.		0.009%
Related substances	Unspecified impurities: for each impurity	≤0.10%	<0.10%
	Total Impurity	≤0.5%	0.18%
Purity	≥99.0%		99.7%
Assay	99.0%~101.0% (anhydrous substance).		99.8%
Microbiological Analysis
Total plate count	≤1000cfu/g		Complies
Yeast and Moulds	≤100cfu/g		Complies
E. Coli.	Absent		Negative
Salmonella	Absent		Negative
S.aureus	Absent		Negative
Storage	Preserve in well-closed, light-resistant and airtight containers.		Complies