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Merck
CN

15501

ECOL

≥98% (HPLC)

Synonym(s):

4-(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:
57647376
EC Number:
200-237-1
Beilstein/REAXYS Number:
3919382
MDL number:
MFCD00013140
Assay:
≥98% (HPLC)

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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

assay

≥98% (HPLC)

autoignition temp.

989 °F

mp

260 °C (dec.) (lit.)

Quality Level

200

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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

11 - 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
BCCN0508
BCCL9772
BCCG4180
BCCD8686
BCBX5235

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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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