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CI 45350

Product Name
CI 45350
CAS No.
518-45-6
Chemical Name
CI 45350
Synonyms
KI202(2);KI202(1);Fluoresceine 94;C.I.Solvent Yellow 94:C.I.45350:1;3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one;3',6'-dihydroxyspiro[isobenzofuran-3,9'-xanthene]-1-one
CBNumber
CB4965895
Molecular Formula
C20H12O5
Formula Weight
332.30628
MOL File
518-45-6.mol
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Hazard and Precautionary Statements (GHS)

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CI 45350 Chemical Properties,Usage,Production

Preparation

Resorcinol and Phthalic anhydride alone or in the presence of sulfuric acid Zinc chloride or condensation, namely for fluorescein, again into free acid.

Definition

ChEBI: Fluorescein (acid form) is a xanthene dye that is highly fluorescent and commonly used as a fluorescent tracer. It has a role as a radioopaque medium and a fluorescent dye. It is a xanthene dye, a member of benzoic acids, a hydroxy monocarboxylic acid, a cyclic ketone, a member of phenols and an organic heterotricyclic compound.

Properties and Applications

yellow. Soluble in water and ethanol as yellow, with strong green fluorescence. In concentrated sulfuric acid to yellow, with weak fluorescence, dilution after yellow, with yellow precipitation. Dye aqueous solution to join sodium hydroxide color dark, with dark green fluorescence. The dye for C.I. Acid Yellow 73 free Acid. Used in cosmetics coloring.

Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
Melting point Stable
ISO Poor Insoluble General No change

CI 45350 Preparation Products And Raw materials

Raw materials

Preparation Products

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CI 45350 Suppliers

Shanghai Macklin Biochemical Co.,Ltd.
Tel
15221275939 15221275939
Fax
021-50706099
Email
shenlinxing@macklin.cn
Country
China
ProdList
16166
Advantage
55
Jiaxing Deyi Chemical Co., Ltd.
Tel
0573-86-0573-85866609 13325730825
Fax
0573-85866609
Email
945717149@qq.com
Country
China
ProdList
8025
Advantage
58
Xi'an Confluore Biological Technology Co., Ltd.
Tel
+86-156-80926068 +86-15680926068
Email
1924344760@qq.com
Country
China
ProdList
4824
Advantage
58
Alfa Chemistry
Tel
Fax
1-516-927-0118
Email
Info@alfa-chemistry.com
Country
United States
ProdList
24072
Advantage
58
ANHUI WITOP BIOTECH CO., LTD
Tel
+8615255079626
Email
eric@witopchemical.com
Country
China
ProdList
23541
Advantage
58
Shenyang Xianchuang Chemical Co., Ltd.
Tel
024-23769576 13840269002
Fax
024-23769576
Email
274311108@qq.com
Country
China
ProdList
359
Advantage
58
Guangzhou City Haizhu District Zhenghong Co.Ltd.
Tel
020-82550624 13016020539
Fax
020-82571650
Email
2336504938@qq.com
Country
China
ProdList
171
Advantage
58
Nanjing Shizhou Biology Technology Co.,Ltd
Tel
13675144456
Fax
025-85563444
Email
sean.lv@synzest.com
Country
China
ProdList
10784
Advantage
58
Xi'an Kaixin Biotechnology Co., Ltd
Tel
029-68881181 13619217766
Fax
029-68881181
Email
3495811982@qq.com
Country
China
ProdList
2772
Advantage
58
WEITIXIHAUGONG
Tel
0371-53370800 18037197114
Email
2853031799@qq.com
Country
China
ProdList
10007
Advantage
58
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View Lastest Price from CI 45350 manufacturers

Xian confluore Biological Technology Co., Ltd.
Product
Fluorescin 518-45-6
Price
US $0.00/g
Min. Order
10g
Purity
>95.00%
Supply Ability
10g
Release date
2024-03-28

518-45-6, CI 45350Related Search:


  • KI202(1)
  • KI202(2)
  • Fluoresceine 94
  • 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
  • 3',6'-dihydroxyspiro[isobenzofuran-3,9'-xanthene]-1-one
  • C.I.Solvent Yellow 94:C.I.45350:1
  • 518-45-6