Ponceau S
-
Ponceau S
structure -
-
CAS No:
6226-79-5
-
Formula:
C22H16N4O13S4.4Na
-
Chemical Name:
Ponceau S
-
Synonyms:
2,7-Naphthalenedisulfonic acid,3-hydroxy-4-[2-[2-sulfo-4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-,sodium salt (1:4);C.I. Acid Red 112,tetrasodium salt;2,7-Naphthalenedisulfonic acid,3-hydroxy-4-[[2-sulfo-4-[(4-sulfophenyl)azo]phenyl]azo]-,tetrasodium salt;Ponceau S;C.I. Acid Red 112;Ponceau S Extra;Ponceau Red S
- Categories:
-
CAS No:
Description
red powder
Ponceau S is an organic sodium salt that is the tetrasodium salt of 3-hydroxy-4-({2-sulfo-4-[(4-sulfophenyl)diazenyl]phenyl}diazenyl)naphthalene-2,7-disulfonic acid. It has a role as a histological dye and a fluorochrome. It is an organic sodium salt and an organosulfonate salt. It contains a Ponceau S(4-).
Characteristics
331.99000
7.31580
Red-brown Powder/Solid
1.01 g/mL at 20 °C
n20/D 1.338
H2O: 10 g/L
Store at RT.
Safety Information
NONH for all modes of transport
3
36/37/38
26-36-37/39
QJ6600000
Xi
Stable. Incompatible with strong oxidizing agents.
P280-P305 + P351 + P338-P337 + P313
H315-H319-H335
|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 55 companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Drug Information
Chemicals and substances that impart color including soluble dyes and insoluble pigments. They are used in INKS; PAINTS; and as INDICATORS AND REAGENTS. (See all compounds classified as Coloring Agents.)
ponceau S
Ponceau S Use and Manufacturing
Ponceau S is used to stain proteins on nitrocellulose or PVDF membranes (Western blots). The following is a common staining solution preparation: 0.1% Ponceau S (w/v) in 5% acetic acid 2% Lichun Red S (w/v) in 30% TCA, 30% sulfosalicylic acid
2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[2-[2-sulfo-4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-, sodium salt (1:4): ACTIVE
Computed Properties
Molecular Weight:760.6
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:17
Rotatable Bond Count:4
Exact Mass:759.8874483
Monoisotopic Mass:759.8874483
Topological Polar Surface Area:332
Heavy Atom Count:47
Complexity:1430
Covalently-Bonded Unit Count:5
Compound Is Canonicalized:Yes
Recommended Suppliers of Ponceau S
-
![China]()
CN
8 YRS
Business licensed Certified factoryManufactory Supplier of Biochemicals Ingredients,Vitamin Amino Acid Ingredients,Cosmestic Ingredients,Pharma Chemicals,Organic Fine Chemicals,Food Nutrient Ingredients,Natural Plant Ingredients,APIS Intermidiates,Daily Chemicals,Agricultural Chemicals,Surfactant Chemicals,Ultraviolet Absorbents,Antioxidant Ingredients,Scientific Research Chemical,Flavors and Fragrances ChemicalsInquiryCAS No.: 6226-79-5Grade: Pharmaceutical GradeContent: 99% -
![China]()
CN
2 YRS
Business licensedTrader Supplier of Food Additives,Active Pharm Ingredients,Chem & Pharm Intermediates,Organic IntermediatesInquiryCAS No.: 6226-79-5Grade: Pharmaceutical GradeContent: 99% -
![China]()
CN
5 YRS
Business licensedTrader Supplier of PVC resin,pvc paste resin,melamine -
![India]()
IN
4 YRS
Business licensed Certified factoryManufactory Supplier of Chemical Reagents,Speciality Cheicals,Stains and indicators,Metal Salts,Fine Chemicals
Learn More Other Chemicals
-
6-deoxyilludin S
112953-13-6
-
(4,4'-dehydrophenylalanine)gramicidin S
112209-92-4
-
S acid
83-64-7
-
4-deoxy-3'-bromopyrido(1',2'-1,2)imidazo(5,4-c)rifamycin S Formula
95360-35-3
-
Coleon S Formula
63521-56-2
-
clematoside S Formula
72629-76-6
-
Blasticidin S Structure
2079-00-7
-
Dimezone S Structure
13047-13-7
-
What is Amidoamine S
16889-14-8
-
What is Bisphenol S
80-09-1