2,2'-Dihydroxyazobenzene
Also known as: 1-(2-HYDROXYPHENYLAZO)-2-HYDROXYAZOBENZENE, 2,2'-AZODIPHENOL, 2,2'-Azodiphenol, 2,2'-DIHYDROXYAZOBENZENE, 2,2'-azobisphenol, 2,2-Dihydroxyazobenzene, 2,2’-azobis-pheno, 2,2′-Dihydroxyazobenzene, DHAB, EINECS 218-082-3, MFCD00002182, O,O'-DIHYDROXYAZOBENZENE, SpectrophotometricandfluorimetricreagentforAl,Mgandothermetals
2,2'-Dihydroxyazobenzene (CAS 2050-14-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H10N2O2 and a molecular weight of 214.22000 g/mol. Key properties include a melting point of 173-175 °C(lit.), a boiling point of 380.4ºC at 760mmHg, a density of 1.24g/cm3 and a flash point of 183.9ºC. 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, from 98.00 to 160.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 2050-14-8
- Jingsj CID
- J-7275-1
- Molecular Formula
- C12H10N2O2
- Molecular Weight
- 214.22000 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to OrderPlatform-operated | 99% 100g | ¥9,800.00 | $14.67 /gBest ¥98.00/g CNY | CN China MOQ 100g | |
Made to OrderPlatform-operated | 99% 25g | ¥3,200.00 | $19.15 /g ¥128.00/g CNY | CN China MOQ 25g | |
Made to OrderPlatform-operated | 99% 5g | ¥800.00 | $23.94 /g ¥160.00/g CNY | CN China MOQ 5g |
Physicochemical Properties
| Melting Point | 173-175 °C(lit.) |
|---|---|
| Boiling Point | 380.4ºC at 760mmHg |
| Density | 1.24g/cm3 |
| Flash Point | 183.9ºC |
| Exact Mass | 214.07400 |
| PSA | 65.18000 |
| LogP | 3.51320 |
| Vapor Pressure | 0mmHg at 25°C |
| Refractive Index | 1.618 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2927000090 |
|---|---|
| Summary | 2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2,2'-Dihydroxyazobenzene?
The CAS number of 2,2'-Dihydroxyazobenzene is 2050-14-8.
What are the molecular formula and molecular weight of 2,2'-Dihydroxyazobenzene?
2,2'-Dihydroxyazobenzene has molecular formula C12H10N2O2 and molecular weight 214.22000 g/mol.
Which suppliers offer 2,2'-Dihydroxyazobenzene?
1 supplier(s) listed; reference unit price ¥98.00–160.00 /g.
Is 2,2'-Dihydroxyazobenzene hazardous?
2,2'-Dihydroxyazobenzene has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,2'-Dihydroxyazobenzene (CAS 2050-14-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7275-1 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.