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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/REAXYS Number:
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%

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

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Warning

Hazard Classifications

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

wgk_germany

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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