Trypan Blue
Also known as: Direct Blue 14, Benzamine Blue, Diamine Blue, Diphenyl Blue, True Blue, Trypan blue, Azidine Blue 3B, Azurro Diretto 3B, Benzoblue 3B, Congo Blue, Diamino Blue 3B, Niagara Blue 3B, Parki Blue
Trypan Blue (CAS 72-57-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C34H24N6Na4O14S4 and a molecular weight of 960.805 g/mol. Key properties include a melting point of >300 °C(lit.) and a density of 1.007 g/mL at 20 °C. It is classified under GHS with signal word Danger and hazard statements H350 — May cause cancer. It is listed by 1 supplier, from 8.50 to 22.00 CNY. Record last updated Nov 3, 2026.
- CAS No.
- 72-57-1
- Jingsj CID
- J-1108833-4
- Molecular Formula
- C34H24N6Na4O14S4
- Molecular Weight
- 960.805 g/mol
- Category
- Organic Compounds
- Last updated
- 11/3/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 60% 100g | ¥850.00 | $1.27 /gBest ¥8.50/g CNY | CN China MOQ 100g | |
In Stock | 60% 25g | ¥245.00 | $1.47 /g ¥9.80/g CNY | CN China MOQ 25g | |
In Stock | 60% 5g | ¥110.00 | $3.29 /g ¥22.00/g CNY | CN China MOQ 5g |
Physicochemical Properties
| Melting Point | >300 °C(lit.) |
|---|---|
| Density | 1.007 g/mL at 20 °C |
| Exact Mass | 959.982422 |
| PSA | 404.26000 |
| LogP | 10.78520 |
| Additional Property | 10 g/L (25 ºC) |
GHS Safety & Compliance
- H350 — May cause cancer
Customs & Trade Information
| HS Code | 32041400 |
|---|
Frequently Asked Questions
What is the CAS number of Trypan Blue?
The CAS number of Trypan Blue is 72-57-1.
What are the molecular formula and molecular weight of Trypan Blue?
Trypan Blue has molecular formula C34H24N6Na4O14S4 and molecular weight 960.805 g/mol.
Which suppliers offer Trypan Blue?
1 supplier(s) listed; reference unit price ¥8.50–22.00 /g.
Is Trypan Blue hazardous?
Trypan Blue has GHS signal word Danger and hazard statements H350 — May cause cancer.
What are the upstream and downstream products of Trypan Blue?
For Trypan Blue, Upstream Products: 1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Trypan Blue (CAS 72-57-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1108833-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.