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320013

Sigma-Aldrich

4-(Methylamino)phenol hemisulfate salt

ACS reagent, 99%

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Synonym(s):
p-(Methylamino)phenol hemisulfate salt, Metol
Linear Formula:
C7H9NO · 1/2H2SO4
CAS Number:
55-55-0
Molecular Weight:
172.19
Beilstein:
3919382
EC Number:
200-237-1
MDL number:
MFCD00013140
UNSPSC Code:
12352100
PubChem Substance ID:
24859237
NACRES:
NA.22

grade

ACS reagent

Quality Level

200

Assay

99%
99.0-101.5% (ACS specification)

form

powder

autoignition temp.

989 °F

ign. residue

≤0.1%

mp

260 °C (dec.) (lit.)

suitability

passes test for determination of phosphate

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

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Application

4-(Methylamino)phenol hemisulfate salt can be used in the synthesis of 4[N-methyl-N(4-hydroxyphenyl)amino]-7-nitrobenzofurazan (NBFhd), a novel fluorescent sensor for reactive oxygen species.

Legal Information

ECOL is a trademark of Sigma-Aldrich Co. LLC

Signal Word

Warning

Hazard Statements

H302,H317,H373,H410

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Skin Sens. 1 - STOT RE 2

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Synthesis and characterization of a new fluorescent probe for reactive oxygen species.
Heyne B
Organic & Biomolecular Chemistry, 5(9), 1454-1458 (2007)
Ayman A Gouda et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 130, 480-487 (2014-05-13)
Simple, rapid and accurate high performance liquid chromatographic (HPLC) and spectrophotometric methods are described for determination of antihistaminic acrivastine in capsules. The first method (method A) is based on accurate, sensitive and stability indicating chromatographic separation method. Chromolith® Performance RP-18e

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