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Merck
CN

320013

4-(Methylamino)phenol hemisulfate salt

ACS reagent, 99%

Synonym(s):

p-(Methylamino)phenol hemisulfate salt, Metol

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About This Item

Linear Formula:
C7H9NO · 1/2H2SO4
CAS Number:
55-55-0
Molecular Weight:
172.19
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24859237
EC Number:
200-237-1
Beilstein/REAXYS Number:
3919382
MDL number:
MFCD00013140
Assay:
99%
99.0-101.5% (ACS specification)
Form:
powder

Key Documents

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Product Name

4-(Methylamino)phenol hemisulfate salt, ACS reagent, 99%

InChI key

ZVNPWFOVUDMGRP-UHFFFAOYSA-N

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)

SMILES string

OS(O)(=O)=O.CNc1ccc(O)cc1.CNc2ccc(O)cc2

grade

ACS reagent

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

functional group

amine

Quality Level

200

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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

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Warning

Hazard Classifications

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

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

494.6 °F - closed cup

flash_point_c

257 °C - closed cup

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
BCCP1031
BCCN4615
BCCN4618
BCCL8685
BCCM5836

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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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