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Sulfonfluorescein

CAS No.
4424-03-7
Chemical Name:
Sulfonfluorescein
Synonyms
SKL153;75.0%(LC&Sulfonfluorescein;sulfonefluorescein;Sulphonefluorescein;Sulfonfluorescein >3,6-Dihydroxy-9-(2-sulfophenyl)xanthyliumbetaine;1,1-dioxospiro[benzo[c]oxathiole-3,9'-xanthene]-3',6'-diol;1,1-diketospiro[benzo[c]oxathiole-3,9'-xanthene]-3',6'-diol;1,1-dioxospiro[benzo[c][1,2]oxathiole-3,9'-xanthene]-3',6'-diol
CBNumber:
CB2408400
Molecular Formula:
C19H12O6S
Molecular Weight:
368.36
MDL Number:
MFCD00070618
MOL File:
4424-03-7.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:51:18

Sulfonfluorescein Properties

Boiling point 622.1±55.0 °C(Predicted)
Density 1.72±0.1 g/cm3(Predicted)
pka 9.17±0.20(Predicted)
form powder to crystal
color Orange to Amber to Dark red
FDA UNII 5473V7NJYP
EPA Substance Registry System Spiro[3H-2,1-benzoxathiole-3,9'-[9H]xanthene]-3',6'-diol, 1,1-dioxide (4424-03-7)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P330-P332+P313-P337+P313-P362-P403+P233-P405-P501
RTECS  WG9930000
HS Code  2934.99.4400

Sulfonfluorescein price More Price(16)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical S0132 Sulfonfluorescein >75.0%(HPLC)(T) 4424-03-7 1g $93 2026-04-30 Buy
TCI Chemical S0132 Sulfonfluorescein >75.0%(HPLC)(T) 4424-03-7 5g $303 2026-04-30 Buy
Chem-Impex 47539 Sulfonfluorescein ≥75%(HPLC) 4424-03-7 1G $165.6 2026-05-19 Buy
Chem-Impex 47539 Sulfonfluorescein ≥75%(HPLC) 4424-03-7 5G $541.2 2026-05-19 Buy
aablocks AA003UE3 Sulfonfluorescein ≥75% 4424-03-7 200mg $28 2026-05-28 Buy
Product number Packaging Price Buy
S0132 1g $93 Buy
S0132 5g $303 Buy
47539 1G $165.6 Buy
47539 5G $541.2 Buy
AA003UE3 200mg $28 Buy

Sulfonfluorescein Chemical Properties, Uses, Production

Sulfonfluorescein Preparation Products And Raw materials

Sulfonfluorescein Suppliers

Global Suppliers ( 58)
Supplier Tel Email Country ProdList Advantage
Zibo Guangyun Chemical Co., Ltd 18105338618 zbgyhx@126.com China 57 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
TOKYO CHEMICAL INDUSTRY CO., LTD. 03-36680489 Sales-JP@TCIchemicals.com Japan 28364 80
9ding chemical ( Shanghai) Limited 4009209199 sales@9dingchem.com China 22497 55
Shanghai Aladdin Bio-Chem Technology Co.,LTD 400-6206333 13167063860 anhua.mao@aladdin-e.com China 29977 65
ORGANICA Feinchemie GmbH +49 3494636389 info@organica.de Germany 598 65
Shanghai Xingui Biotechnology Co., Ltd. 15121041756 xingui2022@126.com China 9961 58

View Latest Price from Sulfonfluorescein manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
SULFONFLUORESCEIN pictures 2026-06-30 SULFONFLUORESCEIN
4424-03-7
1KG 98 10000KGS Shaanxi Dideu New Materials Co. Ltd
o-(3,6,9-trihydroxyxanthen-9-yl)-benzenesulfonicacigamma-sultone spiro(3h-2,1-benzoxathiole-3,9’-(9h)xanthene)-3’,6’-diol,1,1-dioxide sulfonefluorescein 3,6-Dihydroxy-9-(2-sulfophenyl)xanthyliumbetaine 3',6'-Dihydroxyspiro[3H-2,1-benzooxathiole-3,9'-[9H]xanthene]1,1-dioxide 3',6'-Dihydroxyspiro[3H-2,1-benzoxathiole-3,9'-xanthene]-1,1-dioxide Sulphonefluorescein 1,1-diketospiro[benzo[c]oxathiole-3,9'-xanthene]-3',6'-diol 1,1-dioxospiro[benzo[c][1,2]oxathiole-3,9'-xanthene]-3',6'-diol 1,1-dioxospiro[benzo[c]oxathiole-3,9'-xanthene]-3',6'-diol Sulfonfluorescein > 75.0%(LC& SKL153 3',6'-Dihydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide Sulfonfluorescein 4424-03-7 C19H12O6S