sodium fluorescein

benzoic acid, 2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)-, sodium salt (1:2)

CAS: 518-47-8 C20 H10 Na2 O5 MW: 376.27523856

Identification

Namesodium fluorescein
CAS Number518-47-8
EINECS208-253-0
FDA UNII93X55PE38X
Molecular FormulaC20 H10 Na2 O5
Molecular Weight376.27523856
MDL NumberMFCD00167039
Nikkaji NumberJ79.264K
Beilstein3833041

Regulatory

Physical Properties

Appearance orange-red to dark red powder (est)
Assay 95.00 to 100.00
Food Chemicals Codex Listed No
Boiling Point 662.60 °C. @ 760.00 mm Hg (est)
Flash Point 477.00 °F. TCC ( 247.10 °C. ) (est)
logP (o/w) 3.395 (est)
Soluble in water, 1247 mg/L @ 25 °C (est)

Cosmetic Information

CosIngcosmetic data
Cosmetic Usescosmetic colorants

No sensory data available

Safety Information

Preferred SDSView
Oral/Parenteral Toxicityintravenous-dog LD50 1000 mg/kg
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categorycoloring agents (for surface only)
Recommendation for sodium fluorescein usage levels up tonot for fragrance use.
Recommendation for sodium fluorescein flavor usage levels up tonot for flavor use.

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Potential Uses

cosmetic colorants hair dyeing agents

Natural Occurrence

not found in nature

Synonyms

acid yellow 73 acid yellow 73 (c.i. 45350) aizen uranine basacid yellow 226 benzoic acid, 2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)-, sodium salt (1:2) c.i. 45350 calcocid uranine B4315 9-o- carboxyphenyl-6-hydroxy-3-isoxanthone, disodium salt certiqual fluoresceine ci 45350 d&c yellow no. 8 dc yellow no. 8 (c.i. 45350) disodium 2-(3-oxo-6-oxidoxanthen-9-yl) benzoate (c.i. 45350) disodium 2-(3-oxo-6-oxidoxanthen-9-yl)benzoate disodium 2-(6-oxido-3-oxo-3h-xanthen-9-yl)benzoate disodium 6-hydroxy-3-oxo-9-xanthene-o-benzoate disodium;2-(3-oxido-6-oxoxanthen-9-yl)benzoate floures fluor-I-strip A.T. fluorescein disodium salt fluorescein LT fluorescein sodium fluorescein sodium salt (c.i. 45350) flurenate hidacid uranine japan yellow 202(1) obiturine sodium salt of hydroxy-o-carboxy-phenyl-fluorone uranin A uranin S uranine A uranine O uranine SS uranine WSS PubMed: Sodium fluorescein use during intraoperative cystoscopy. PubMed: Determination of alditols by capillary electrophoresis with indirect laser-induced fluorescence detection. PubMed: Target-to-background enhancement in multispectral endoscopy with background autofluorescence mitigation for quantitative molecular imaging. PubMed: Do gastrointestinal taste receptors contribute to associative learning and foraging behavior? PubMed: The effects of a high-energy diet on hippocampal function and blood-brain barrier integrity in the rat. PubMed: The safety of intravenous fluorescein for confocal laser endomicroscopy in the gastrointestinal tract. PubMed: Influence of carrageenan on the rheology and skin permeation of microemulsion formulations. PubMed: Phospholipase C-mediated intestinal mucosal damage is ameliorated by quinacrine. PubMed: The teratogenic potential in rats and rabbits of D & C Yellow No. 8. PubMed: Influence of surface-active food additives on the integrity and permeability of rat intestinal mucosa. PubMed: Chemical contamination of animal feeding systems: evaluation of two caging systems and standard cage-washing equipment.