High Quality Fluorescein Sodium with Reasonable Price CAS 518-47-8
4 Inquiries
518-47-8
Shanghai, China
100g; 1kg; 25g
2022-12-31
Dichloromethane,Linocaine hydrochloride
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Product Description
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Seller Information
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Inquiry History
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Description
Melting point 320 °C storage temp. Store at +5°C to +30°C. solubility H2O: soluble1mg/mL Colour Index 45350 form Powder pka 2.2, 4.4, 6.7(at 25ºC) color Rust-orange Odor Odorless PH 8.3 (10g/l, H2O, 20ºC) PH Range Pink uorescence (4.0) to green uorescence (6.0) Water Solubility 500 g/L (20 ºC) λmax 491nm, 493.5nm, 490nm Merck 14,4159 BRN 3833041 Stability: Stable. 
Packing
· 1kg/aluminium foil bag, with two plastic bags inside.
· 25kg/fiber drum, with two plastic bags inside.
Size:ID 42cm*H52cm,0.08m3/drum;
Net Weight:25kgs Gross Weight:28kgs.
Delivery- ≤50kg, Express delivery recommended, usually called as DDU service;
- ≤500kg,Air shipping recommended, usually called as CIF service;
- >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;
- For high value products, please select air shipping and express delivery for safety.
About us
Shandong Zhishang Chemical Co.,Ltd owned by Zhishang International Group,is a new chemical enterprise with R&D.
manufacture and sales department.
Our company mainly produce pharmaceutical raw materials and intermediate(expecially Carbohydrate derivatives series).
In recent years,we had made big breakthrough in feed additive,plant extraction,industrial chemicals line.
With our "Honest operation,Quality controlling,Clients first"theory,our company enjoy good repute both home and abroad.
The R&D center located in High-tech zone in Jinan,our production based is in Chemical park of Zhangqiu and Tai'an.Our production process strictly conform with ISO 9001 and ISO 2000 standard.Our lab and workshop also follows strictly with GMP standard.Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term and stable business relations.We have large scale liquid chemical terminal and professional chemical warehouse.
We will always adhere to expand business scope and provide the best quality products and service to the world.
- DO YOU ACCEPT SAMPLE ORDER?
We accept sample orders. We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
2.HOW TO CONFIRM THE PRODUCT QUALITY BEFORE PLACING ORDERS?
You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
3.WHAT'S YOUR MOQ?
Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
4.DO YOU SUPPLY PRODUCT REPORT?
Yes. We'll give you product analysis report before shipping.
5.IS THERE A DISCOUNT?
Different quantity has different discount.
Our Advantage
10 Years Experience
Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term.
Quality service
Company cooperates with research institutes. We strictly control the process of raw materials up to finished product.
24 hour serviceQuick and clear response to customers questions. Warm after sale service, we will help to solve the problems in your usage.
High quality
Dedicated to serving customers first, we provide reasonable prices, high quality products.ECHEMI Editorial ReferenceOrange-red powder; odorless. Hygroscopic,soluble in water; sparingly soluble inalcohol.
Fluorescein sodium is an orange-red to dark red powder. Water-soluble form of fluorescein. Odorless and almost tasteless. pH (5% solution) 7.8. May be sensitive to prolonged exposure to light and to heat.
Moderately toxic by intraperitoneal route. Mildly toxic by ingestion. Human systemic effects by intravenous route: arrhythmias, eye hemorrhage, nausea or vomiting. Experimental reproductive effects. Questionable carcinogen with experimental tumorigenic data. Mutation data reported. When heated to decomposition it emits toxic fumes of Na2O.Basic Info-
Product Name:
Fluorescein Sodium
Other Name: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 No.:518-47-8
Molecular Formula:C20H13NaO5
InChIKeys:NJDNXYGOVLYJHP-UHFFFAOYSA-L
Molecular Weight:356.31
Exact Mass:376.03200
BRN:3833041
EC Number:208-253-0
TSCA:TSCA listed
Color/Form:Rust-orange
HScode:32041200
Categories:
Characteristics-
λmax:
491nm, 493.5nm, 490nm
PSA:81.65000
XLogP3:4.54220
Appearance:Fluorescein, disodium salt is an orange-red to dark red powder. Water-soluble form of fluorescein. Odorless and almost tasteless. pH (5% solution) 7.8. May be sensitive to prolonged exposure to light and to heat.
Density:0.579[at 20℃]
Melting Point:320 °C
Boiling Point:620.8ºC at 760 mmHg
Flash Point:232.6ºC
Water Solubility:500 g/L (20 ºC)
Storage Conditions:Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Vapor Pressure:2.133hPa
Toxicity:LD50 in mice, rats (mg/kg): 4738, 6721 orally (Yankel, Loux)
Odor:Odorless
PH:8.3 (10g/l, H2O, 20℃)
PKA:2.2, 4.4, 6.7(at 25℃)
Henrys Law Constant:3.5×1010mol/(m3Pa) at 25℃, HSDB (2015)
Air and Water Reactions:Hygroscopic. Water soluble.
Reactivity Profile:Fluorescein disodium salt is incompatible with strong oxidizers. Also incompatible with acids, acid salts and salts of heavy metals .
Critical Temperature & Pressure:Store at +5°C to +30°C.
Hazard IdentificationClassification of the substance or mixture
Not classified.
GHS label elements, including precautionary statements
Pictogram(s) No symbol. Signal word No signal word
Hazard statement(s) none
Precautionary statement(s) Prevention none
Response none
Storage none
Disposal none
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Manufactory
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Main Products:
Dichloromethane,Linocaine hydrochloride
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Location:
BUILDING 1,HISENSE INTELLIGENCE VALLEY,NO.2116,OF PHOEIX ROAD, HIGH-TECH ZONE ,JINAN CITY ,SHANDONG PROVINCE,CHINA
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Payment Terms:
D/P,L/C,D/A
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Average lead Time:
15
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Total Annual Revenue:
$10 million-$25 million
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Total Employees:
11-50
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Year of Establishment:
2016
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Inquiry History4 Inquiries
Country Product Purchase Quantity Date Posted 
India
FLUORESCEIN SODIUM
2 MT Aug 21, 2025 
South Korea
Fluorescein Sodium
100 G Jul 22, 2026 
Pakistan
Naphazoline Hydrochloride
1 MT Jan 14, 2026
Pakistan
Atracurium Besylate
1 MT Jan 14, 2026 Post an enquiry for this product
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