Metol, 99%

Name: Metol, 99%
Brand: Vaqora Chemicals
SKU: VQ-009462

About Metol, 99%

Metol is an amine building block carrying the CAS registry number 55-55-0 with a typical assay of 99%. Its molecular formula is C14H20N2O6S and its molecular weight is 344.39 g/mol. Its systematic (IUPAC) name is bis(4-(methylamino)phenol). Sulfuric acid. It is also known as 4-(Methylamino)phenol hemisulfate salt or Graphol.

It is supplied as white to off-white powder or crystals. Reported physical data include a melting point of 260 °C. Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 100 g, 500 g, 5 kg and 25 kg packs, Metol is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Metol, 99%
Catalogue No.	VQ-009462
CAS Number	55-55-0
IUPAC name	bis(4-(methylamino)phenol);sulfuric acid
Molecular formula	C₁₄H₂₀N₂O₆S
Molecular weight	344.39 g/mol
Exact mass	344.1042
Purity / assay	99%
HSN code	29071990
InChIKey	ZVNPWFOVUDMGRP-UHFFFAOYSA-N
SMILES	CNC1=CC=C(C=C1)O.CNC1=CC=C(C=C1)O.OS(=O)(=O)O
PubChem CID	5930

Physical properties
Physical form	Crystalline
Appearance	White to off-white powder or crystals
Melting point	260 °C
H-bond donors / acceptors	6 / 8
TPSA	148 Å²
UN number	UN 3077
Synonyms	4-(Methylamino)phenol hemisulfate salt, Graphol, Metatyl, Photol, Pictol, Armol, Genol, Verol, Elon (developer), p-Methylaminophenolsulfate, Paramethylaminophenol sulfate, Methyl-p-aminophenol sulfate

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H317May cause an allergic skin reaction
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P260, P261, P264, P270, P272, P273, P280, P301 + P317, P302 + P352, P319, P321, P330, P333 + P317, P362 + P364, P391, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 55-55-0

AR

Metol, AR

CAS: 55-55-0
Formula: C₁₄H₂₀N₂O₆S
MW: 344.39 g/mol

VQ-046700

Frequently asked questions

What is the CAS number of Metol, 99%?

The CAS Registry Number of Metol, 99% is 55-55-0. It is also known as 4-(Methylamino)phenol hemisulfate salt, Graphol, Metatyl.

What is the molecular formula and molecular weight of Metol, 99%?

Metol, 99% has the molecular formula C14H20N2O6S and a molecular weight of 344.39 g/mol.

Which grade and pack sizes of Metol, 99% can I order?

We supply Metol, 99% in (99%) grade, in 100 g, 500 g, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Metol, 99%?

Yes. Every lot of Metol, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Metol, 99% be shipped internationally?

Yes. Metol, 99% is classified as hazardous (UN 3077), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.