1.07299

4-(Methylamino)phenol sulfate

Technipur^®

• Synonym(s): 4-(Methylamino)phenol hemisulfate salt, N-Methyl-p-aminophenol sulphate, p-Methyl aminophenol sulfate, Metol
• Linear Formula: C₇H₉NO · 1/2H₂SO₄
• CAS Number: 55-55-0
• Molecular Weight: 172.19
• NACRES: NA.05
• UNSPSC Code: 12352100
• Beilstein/REAXYS Number: 3919382
• MDL number: MFCD00013140

Properties

• Quality Segment: 200
• autoignition temp.: 989 °F
• pH: 3.5-4.5 (20 °C, 50 g/L in H₂O)
• mp: 260 °C (dec.) (lit.)
• SMILES string: OS(O)(=O)=O.CNc1ccc(O)cc1.CNc2ccc(O)cc2
• InChI: 1S/2C7H9NO.H2O4S/c2*1-8-6-2-4-7(9)5-3-6;1-5(2,3)4/h2*2-5,8-9H,1H3;(H2,1,2,3,4)
• InChI key: ZVNPWFOVUDMGRP-UHFFFAOYSA-N

Description

General description

4-(Methylamino)Phenol Sulfate, a substituted phenol, is an aromatic reducing agent, majorly used as a hair dye and a monochrome photographic developer chemical.

Application

4-(Methylamino)Phenol Sulfate can be used as a corrosion inhibitor. It is used as a reagent in several reactions employed to determine the levels of contaminants and drugs by various means, particularly by electrochemical or spectrophotometric methods. 4-(Methylamino)Phenol Sulfate is also used as an organic reducing agent to prepare silver nanomaterials.

Legal Information

Technipur is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• signalword: Warning
• pcodes: P260 - P273 - P280 - P301 + P312 - P302 + P352 - P314
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Skin Sens. 1 - STOT RE 2
• wgk: WGK 3
• flash_point_f: 494.6 °F - closed cup
• flash_point_c: 257 °C - closed cup
• pictograms: GHS08,GHS07,GHS09
• hcodes: H302,H317,H373,H410
• Storage Class: 11 - Combustible Solids