4-(Methylamino)phenol sulfate (2:1)
Also known as: Metol, 4-(Methylamino)phenol sulfate, 4-(Methylamino)phenol hemisulfate, Bis(4-hydroxy-N-methylanilinium) sulfate, 4-Methylaminophenol sulfate, p-Methylaminophenol sulfate, Elon, Genol, Armol, Photol, Pictol, Verol, Metol sulphate, Motol, Methol, METOL4, ECOL(R), BIS-(N-METHYL-4-HYDROXYANILINIUM) SULFATE, p-Methylaminophenol sulfate (VAN), 4-(methylamino)phenol sulphate
4-(Methylamino)phenol sulfate (2:1) (CAS 55-55-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H20N2O6S and a molecular weight of 344.38700 g/mol. Key properties include a melting point of 260 °C (dec.)(lit.), a boiling point of 262.7ºC at 760 mmHg, a density of 1.577 and a flash point of 148.6ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H317 — May cause an allergic skin reaction and H373 — May cause damage to organs through prolonged exposure. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 55-55-0
- Jingsj CID
- J-933512-0
- Molecular Formula
- C14H20N2O6S
- Molecular Weight
- 344.38700 g/mol
- Category
- Organic Acids
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 260 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 262.7ºC at 760 mmHg |
| Density | 1.577 |
| Flash Point | 148.6ºC |
| Exact Mass | 221.035797 |
| PSA | 115.24000 |
| LogP | 1.93490 |
| Stability | Stability Combustible. Incompatible with strong oxidizing agents, acids, acid halides. |
| Additional Property | 50 g/L (20 ºC) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H317 — May cause an allergic skin reaction
- H373 — May cause damage to organs through prolonged exposure
- H410 — Very toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 29222900 |
|---|
Frequently Asked Questions
What is the CAS number of 4-(Methylamino)phenol sulfate (2:1)?
The CAS number of 4-(Methylamino)phenol sulfate (2:1) is 55-55-0.
What are the molecular formula and molecular weight of 4-(Methylamino)phenol sulfate (2:1)?
4-(Methylamino)phenol sulfate (2:1) has molecular formula C14H20N2O6S and molecular weight 344.38700 g/mol.
Is 4-(Methylamino)phenol sulfate (2:1) hazardous?
4-(Methylamino)phenol sulfate (2:1) has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction; H373 — May cause damage to organs through prolonged exposure.
What are the upstream and downstream products of 4-(Methylamino)phenol sulfate (2:1)?
For 4-(Methylamino)phenol sulfate (2:1), Upstream Products: Dimethyl sulfate, 4-Aminophenol hydrochloride; Downstream Products: N-(4-Hydroxyphenyl)-N-methylacetamide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-(Methylamino)phenol sulfate (2:1) (CAS 55-55-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-933512-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.