天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

Welcome to chemicalbook!
+1 (818) 612-2111
RFQ
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

RFQ
skype
MY Account
Top
Postion:Product Catalog >API>Diagnostic agents>Organ Function Test agent>Fluorescein disodium salt
Fluorescein disodium salt
  • Fluorescein disodium salt
  • Fluorescein disodium salt

Fluorescein disodium salt

Price $1
Package 1KG
Min. Order: 1G
Supply Ability: 100KG
Update Time: 2019-07-06

Product Details

Product Name: Fluorescein disodium salt CAS No.: 518-47-8
EC-No.: 208-253-0 Min. Order: 1G
Purity: 99% Supply Ability: 100KG
Release date: 2019/07/06

AD68

Fluorescein disodium salt Basic information
Product Name: Fluorescein disodium salt
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: C20H10Na2O5
MW: 376.27
EINECS: 208-253-0
Product Categories: Intermediates of Dyes and Pigments;Dyes and Pigments;Pharmaceutical intermediates;Fluorescent;Xanthene
Mol File: 518-47-8.mol
Article illustration
 
Fluorescein disodium salt Chemical Properties
Melting point  320 °C
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℃)
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
CAS DataBase Reference 518-47-8(CAS DataBase Reference)
EPA Substance Registry System Spiro[isobenzofuran- 1(3H),9'-[9H]xanthen]- 3-one, 3',6'-dihydroxy-, disodium salt(518-47-8)
 
Safety Information
Hazard Codes  Xi
Risk Statements  36-36/37/38
Safety Statements  22-24/25-37/39-26-36/37/39-27
WGK Germany  1
RTECS  LM5425000
3
TSCA  Yes
HS Code  32041200
 
 
Fluorescein disodium salt Usage And Synthesis
Chemical Properties orange powder
Uses A sodium salt of fluorescein
Uses In examining subterranean waters. Serves to ascertain source of springs, connections between streams and sea, determining approx vol of water delivered by a spring, detecting source of contamination of drinking water, infiltration of soil with waste waters of factories. In externally applied drugs and cosmetics. Analytical reagent (protein label). Clinical reagent (immuno-histological stain, immuno-fluorescent label).
General Description 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.
Air & 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 .
Fire Hazard Flash point data for Fluorescein disodium salt are not available; however, Fluorescein disodium salt is probably combustible.
Toxicity LD50 in mice, rats (mg/kg): 4738, 6721 orally (Yankel, Loux)

Company Profile Introduction

Established in 2014,Career Henan Chemical Co. is a manufacturerspecializing in the sale of fine chemicals. Mainly deals in the sales of: Pharmaceutical intermediates OLED intermediates: Pharmaceutical intermediates; OLED intermediates;

You may like

Recommended supplier

Product name Price   Suppliers Update time
$83.00/500mg
VIP5Y
TargetMol Chemicals Inc.
2025-07-15
$5.00/1KG
VIP1Y
Wuhan JiyunZen Tech Co., Ltd.
2025-06-13
$/
VIP5Y
RongNa Biotechnology Co.,Ltd
2025-04-29
$1.00/1KG
VIP7Y
Hebei Chuanghai Biotechnology Co., Ltd
2024-11-01
$5.00/1KG
VIP5Y
Hebei Chuanghai Biotechnology Co,.LTD
2024-08-14
$180.00/1kg
Hebei Zhuanglai Chemical Trading Co.,Ltd
2024-05-23
$1.00/1KG
Ouhuang Engineering Materials (Hubei) Co., Ltd
2024-04-25
$8.00/1KG
VIP2Y
Henan Fengda Chemical Co., Ltd
2024-04-09
$0.00/25KG
VIP6Y
Hebei Mujin Biotechnology Co.,Ltd
2023-06-25
$10.00/1Kg/Bag
Hebei Zhanyao Biotechnology Co. Ltd
2022-01-20
  • Since: 2014-12-17
  • Address: Zhengzhou High tech Zone, Henan Province, China
INQUIRY
楊俊青

sales@coreychem.com