Taiy Chemical
resorcinol phthalein sodium
Product Name Fluorescein sodium
Synonyms:5024 C.I. 45350; C.I. Acid Yellow 73; JAN]; Acid Yellow 73~C.I. 45350; Fluorescein Sodium Salt; Uranine; Fluorescein disodium salt; Acid Yellow 73 (C.I.); disodium 2-(3-oxo-6-oxidoxanthen-9-yl)benzoate; Acid Yellow 73; Uranin; 11824 yellow; 12417 yellow; ful-glo; funduscein; furanium; hidacid uranine; Soap yellow; C.I. 45350 sodium salt; sodium fluoresceinate; fluorescein sodium b.p; sodium salt of hydroxy-o-carboxy-phenyl-fluorone; resorcinol phthalein sodium; Fluorescein, sodium derivative, sodium salt; Soluble fluorescein; Uranine A Extra; Uranine K; Uranine O; Uranine SS; Uranine USP XII; Uranine WSS; Uranine Yellow; Yellow no. 8; 3',6'-Dihydroxy-spiro[3H-isobenzofuran-1,9'-xanthen]-3-one disodium salt; 3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-(9H)xanthene]-3-one, disodium salt; 3,6-Dihydroxyxanthene-9-spiro-1'-3'H-isobenzofuran-3'-one; 3,6-Dihydroxyxanthene-9-spiro-1'-3'H-isobenzofuran-3'-one dipotassium salt; 3,6-Dihydroxyxanthene-9-spiro-1'-3'H-isobenzofuran-3'-one disodium salt; 9-(o-Carboxyphenyl)-3,6-dihydroxyxanthylium dipotassium salt; 9-(o-Carboxyphenyl)-3,6-dihydroxyxanthylium disodium salt; 9-o-carboxyphenyl-6-hydroxy-3-isoxanthone, disodium salt; aizen uranine; Dihydroxyspiro[isobenzofuran-1(3H),9'-(9H)xanthen]-3-one disodium salt; disodium 6-hydroxy-3-oxo-9-xanthene-o-benzoate; calcocid uranine b4315; certiqual fluoresceine; C.I. 45350 disodium salt; C.I. 766; d&c yellow no. 8; fluorescein, disodium salt; fluor-i-strip a.t.; Fluorone; disodium 2-(6-oxido-3-oxo-3H-xanthen-9-yl)benzoate; disodium 3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate; spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-, sodium salt (1:1); spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-, sodium salt (1:2); Fluoresdein disocium salt
CAS RN. 518-47-8
EINECS 208-253-0
Molecular Weight 378.2847
Molecular Formula C20H12Na2O5
Melting Point(℃) 320℃
Water Solubility 500 g/L (20℃)
Hazard Symbols Xi Details
Xi
Risk Codes  R36;    Details
 R36;     Details
Safety Description  S26;S37/39;Details
 S26;S37/39; Details
FAQ
What is resorcinol + phthalein sodium and how does it work?
Resorcinol + phthalein sodium is a combination medication primarily used for the treatment of skin conditions such as acne, eczema, and psoriasis. It works by reducing inflammation, controlling oil production, and promoting skin cell turnover.

How should resorcinol + phthalein sodium be used?
Resorcinol + phthalein sodium should be applied topically to the affected area as directed by your healthcare provider. It is important to follow the instructions on the packaging or provided by your healthcare provider to ensure safe and effective use of the medication.

What are the potential side effects of resorcinol + phthalein sodium?
Common side effects of resorcinol + phthalein sodium may include skin irritation, redness, dryness, or peeling. If these side effects persist or worsen, it is important to discontinue use and consult your healthcare provider.

Are there any precautions or warnings associated with the use of resorcinol + phthalein sodium?
Before using resorcinol + phthalein sodium, it is important to inform your healthcare provider of any allergies, medical conditions, or medications you are currently taking. Avoid getting the medication in your eyes, mouth, or mucous membranes, and use sunscreen when exposed to sunlight to prevent increased sensitivity.

Can resorcinol + phthalein sodium be used in combination with other skincare products?
It is important to consult your healthcare provider before using resorcinol + phthalein sodium in combination with other skincare products to avoid potential interactions or adverse effects. Mixing different active ingredients without professional guidance can lead to skin irritation or other complications.
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