Phenol Red sodium salt
Also known as: Sodium Phenol Red, Phenolsulfonephthalein sodium salt, Phenol Red, sodium salt, PR sodium salt, Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis-, monosodium salt, Phenolate, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis-, sodium salt (1:1)
Phenol Red sodium salt (CAS 34487-61-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C19H13NaO5S and a molecular weight of 375.351 g/mol. Key properties include a melting point of 285 °C (dec.)(lit.), a boiling point of 562.8ºC at 760mmHg, a density of 0.972 and a flash point of 294.2ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 34487-61-1
- Jingsj CID
- J-27163-9
- Molecular Formula
- C19H13NaO5S
- Molecular Weight
- 375.351 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 285 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 562.8ºC at 760mmHg |
| Density | 0.972 |
| Flash Point | 294.2ºC |
| Exact Mass | 375.030853 |
| PSA | 95.04000 |
| LogP | 4.62760 |
| Additional Property | soluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Berthois Y, et al. Phenol red in tissue culture media is a weak estrogen: implications concerning the study of estrogen-responsive cells in culture. Proc Natl Acad Sci U S A. 1986 Apr;83(8):2496-500. [2]. Pick E, et al. A simple colorimetric method for the measurement of hydrogen peroxide produced by cells in culture. J Immunol Methods. 1980;38(1-2):161-70. |
|---|
Customs & Trade Information
| HS Code | 29349990 |
|---|
Frequently Asked Questions
What is the CAS number of Phenol Red sodium salt?
The CAS number of Phenol Red sodium salt is 34487-61-1.
What are the molecular formula and molecular weight of Phenol Red sodium salt?
Phenol Red sodium salt has molecular formula C19H13NaO5S and molecular weight 375.351 g/mol.
Which suppliers offer Phenol Red sodium salt?
1 supplier(s) listed; request a quote for pricing.
Is Phenol Red sodium salt hazardous?
Phenol Red sodium salt has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Phenol Red sodium salt?
For Phenol Red sodium salt, Downstream Products: Bromophenol blue sodium salt.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Phenol Red sodium salt (CAS 34487-61-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27163-9 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.