CAS 518-47-8 Fluorescein Sodium Salt BioReagent

CAS 518-47-8 Fluorescein sodium salt BioReagent

FAQ
1:Can I get some samples before bulk order?
A: Most products provide free samples, but the shipping cost be paid by customers.
 
2: What's your MOQ?
A: We can have a discussion.
 
3: Which kind of payment terms do you accept?
A: PI will be sent first after confirmation of order,enclosed our bank information.Payment by T/T, Western Union,D/P, ETC.
 
4.How to place an order?
A: You can contact me through Trademanager, WhatsApp, Email and other contact methods, tell me the product and quantity you need, and then we will give you a quote.
 
5:How about your delivery time?
A: Generally, it will take 3 to 5 days after receiving your advance payment.
 
6:How do you treat quality complaint?
A: First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.

Advantage

1. 90days quality guarantee for exchange.

2. For each batch order extracts, we will attach a factory Inspection Report with the goods delivery , including the BatchNo/ Date/ Test index ects; also will keep the archived extracts to ensure received by customers are the same each time.

3. Our team of experienced professionals are available online 24 hours a day to answer any questions and provide guidance on product usage and maintenance.

 

Product Name:	Fluorescein Sodium
Synonyms:	9-(o-carboxyphenyl)-6-hydroxy-3h-xanthen-3-one,disodiumsalt;9’-(9h)xanthen)-3-one,3’,6’-dihydroxy-spiro(isobenzofuran-1(3hdisodiums;9’-[9h]xanthen]-3-one,3’,6’-dihydroxy-spiro[isobenzofuran-1(3hdisodiumsal;9-o-carboxyphenyl-6-hydroxy-3-isoxanthone,disodiumsalt;abcoluraninepowders&liquids;aizenuranine;c.i.45350disodiumsalt;c.i.45350sodiumsalt
CAS:	518-47-8
MF:	C20H13NaO5
MW:	356.31
EINECS:	208-253-0
Product Categories:	Fluorescent;Xanthene;Intermediates of Dyes and Pigments;Dyes and Pigments;Pharmaceutical intermediates;518-47-8
Mol File:	518-47-8.mol

Melting point	320 °C
density	0.579[at 20℃]
vapor pressure	2.133hPa
storage temp.	Store at +5°C to +30°C.
solubility	H2O: soluble1mg/mL
form	Powder
pka	2.2, 4.4, 6.7(at 25℃)
Colour Index	45350
color	Rust-orange
PH Range	Pink uorescence (4.0) to green uorescence (6.0)
PH	8.3 (10g/l, H2O, 20℃)
Odor	Odorless
Water Solubility	500 g/L (20 ºC)
λmax	491nm, 493.5nm, 490nm
Merck	14,4159
BRN	3833041
Stability:	Stable.
Major Application	Nanolithography, nanoparticles, thin films, fuel cells, inks, laser, colored bubbles, cleansing products, identifying leaks in coolant, suntanning agent, hair dyes, cosmetics, dermatology, dental material, diagnosis of diabetic retinopathy, antitumor agent
InChIKey	NJDNXYGOVLYJHP-UHFFFAOYSA-L
LogP	0.34
CAS DataBase Reference	518-47-8(CAS DataBase Reference)
EPA Substance Registry System	Fluorescein, disodium salt (518-47-8)