4-Sulpho-1,8-naphthalic anhydride, potassium salt

Min.Order / FOB Price:Get Latest Price

1 Kilogram	FOB Price: USD 1.0000

1 Kilogram

FOB Price: USD 1.0000

Min.Order :1 Kilogram
Purity: 99%
Payment Terms : L/C,T/T

Keywords

4-Sulpho-1,8-naphthalic anhydride, potassium salt potassium 1,3-dioxo-1H,3H-benzo[de]isochromene-6-sulfonate CAS:71501-16-1

Quick Details

Appearance:White powder
Application: Dye Intermediates
PackAge:25kg/drum
ProductionCapacity:2000|Metric Ton|Year
Storage:Store in cool and dry place, away from sun light.
Transportation:By sea or by air

Superiority:

Name: 4-Sulpho-1,8-naphthalic anhydride, potassium salt

CAS NO.: 71501-16-1
Molecular weight: 316.3
Appearance: uniform yellowish or white powder
Purity: ≥98%
Moisture: ≤2%
Use: an important raw material to synthesize dyes and pigments

Details:

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		Complies
	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.
Heavy metals	≤10 ppm		<10ppm
Water	≤1.0%		0.10%
Sulphated ash	≤0.5%, determined on 1.0 g.		0.01%
Related substances	Unspecified impurities: for each impurity	≤0.10%	<0.10%
	Total Impurity	≤0.5%	0.18%
Purity	≥99.0%		99.70%
Assay	99.0%~101.0% (anhydrous substance).		99.80%
Storage	Preserve in well-closed, light-resistant and airtight containers.		Complies