- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: Ponceau S
- Price: Check
- Purity: 90.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: Ponceau S
- Price: ￥108.0/25g
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Liu jia
- Email: 2130147988@qq.com
- DC Chemicals Limited
- China
- Product Name: Ponceau S
- Price: $Inquiry/250mg $Inquiry/100mg $Inquiry/1g
- Purity: 98.0%
- Stocking Period: 3 Day
- Contact: Tony Cao
- Email: sales@dcchemicals.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Ponceau S
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
6226-79-5
6226-79-5 structure
- Name: Ponceau S
- Chemical Name: Ponceau S
- CAS Number: 6226-79-5
- Molecular Formula: C22H12N4Na4O13S4
- Molecular Weight: 760.569
- Catalog: Biochemical Biochemical reagent Biological dye
- Create Date: 2018-02-24 08:00:00
- Modify Date: 2025-08-21 16:11:02
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Ponceau S is the most commonly used stain for Western blotting. Ponceau S is applied as an acidic aqueous solution, and it is compatible with antibody-antigen binding, and stains the proteins on the membrane red[1][2].
| Name | Ponceau S |
|---|---|
| Synonyms |
PONCEAU S EXTRA
Tetrasodium 3-hydroxy-4-[(E)-{2-sulfonato-4-[(E)-(4-sulfonatophenyl)diazenyl]phenyl}diazenyl]naphthalene-2,7-disulfonate Tetrasodium 3-hydroxy-4-[(E)-{2-sulfonato-4-[(E)-(4-sulfonatophenyl)diazenyl]phenyl}diazenyl]-2,7-naphthalenedisulfonate EINECS 228-319-2 3-Hydroxy-4-[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2,7-naphthalenedisulfonic Acid Tetrasodium Salt c.i.acidred112 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-((2-sulfo-4-((4-sulfophenyl)azo)phenyl)azo)-, tetrasodium salt Ponceau Red S Acid Red 112 ATX PONCEAU S RED 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(E)-2-[2-sulfo-4-[(E)-2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-, sodium salt (1:4) FAST PONCEAU 2B MFCD00003892 |
| Description | Ponceau S is the most commonly used stain for Western blotting. Ponceau S is applied as an acidic aqueous solution, and it is compatible with antibody-antigen binding, and stains the proteins on the membrane red[1][2]. |
|---|---|
| Related Catalog | |
| References |
| Density | 1.01 g/mL at 20 °C |
|---|---|
| Molecular Formula | C22H12N4Na4O13S4 |
| Molecular Weight | 760.569 |
| Exact Mass | 759.887451 |
| PSA | 331.99000 |
| LogP | 7.31580 |
| Index of Refraction | n20/D 1.338 |
| Storage condition | Store at RT. |
| Water Solubility | 10 g/L |
CHEMICAL IDENTIFICATION
|
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P280-P305 + P351 + P338-P337 + P313 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi:Irritant; |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S36-S37/39 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| RTECS | QJ6600000 |
| HS Code | 32041200 |
| HS Code | 32041200 |
|---|