Xylenol orange tetrasodium salt
Also known as: 3,3'-Bis[N,N-bis(carboxymethyl)aminomethyl]-o-cresolsulfonephthalein tetrasodium salt, Tetrasodium N,N'-[3H-2,1-benzoxathiol-3-ylidenebis[(6-hydroxy-5-methylphen-3,1-ylene)methylene]]bis[N-(carboxylatomethyl)aminoacetate] S,S-dioxide, Xylenol orange, Xylenol Orange, sodium salt, EINECS 222-805-8, MFCD00044293, Glycine, N,N'-[(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[(6-hydroxy-5-methyl-3,1-phenylene)methylene]]bis[N-(carboxymethyl)-, tetrasodium salt, o-Cresolphthalexon-S tetrasodium salt
Xylenol orange tetrasodium salt (CAS 3618-43-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C31H28N2Na4O13S and a molecular weight of 760.58 g/mol. Key properties include a melting point of 195 °C (dec.)(lit.), a boiling point of 904.1ºC at 760 mmHg and a flash point of 500.6ºC. It is listed by 1 supplier, from 5.00 to 5.00 CNY per 10g. Record last updated Aug 21, 2026.
- CAS No.
- 3618-43-7
- Jingsj CID
- J-1109645-6
- Molecular Formula
- C31H28N2Na4O13S
- Molecular Weight
- 760.58 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | AR 10g | ¥50.00 | $0.75 /gBest ¥5.00/g CNY | CN China MOQ 10g |
Physicochemical Properties
| Melting Point | 195 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 904.1ºC at 760 mmHg |
| Flash Point | 500.6ºC |
| Exact Mass | 738.108337 |
| PSA | 259.21000 |
| Additional Property | 510 g/L (20 ºC) |
Customs & Trade Information
| HS Code | 29349990 |
|---|
Frequently Asked Questions
What is the CAS number of Xylenol orange tetrasodium salt?
The CAS number of Xylenol orange tetrasodium salt is 3618-43-7.
What are the molecular formula and molecular weight of Xylenol orange tetrasodium salt?
Xylenol orange tetrasodium salt has molecular formula C31H28N2Na4O13S and molecular weight 760.58 g/mol.
Which suppliers offer Xylenol orange tetrasodium salt?
1 supplier(s) listed; reference unit price ¥5.00–5.00 /g.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Xylenol orange tetrasodium salt (CAS 3618-43-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1109645-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.