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69750

Metol

Name: Metol
Brand: SIAL

purum, for photographic purposes, ≥98.0% (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

NACRES:

NA.22

PubChem Substance ID:

329761927

UNSPSC Code:

12352100

EC Number:

200-237-1

MDL number:

MFCD00013140

Beilstein/REAXYS Number:

3919382

Assay:

≥98.0% (HPLC)

Form:

crystals

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Properties

Quality Level

200

grade

purum

assay

≥98.0% (HPLC)

form

crystals

autoignition temp.

989 °F

impurities

≤1% aminophenol

color

white to faint beige

mp

260 °C (dec.) (lit.)

solubility

H₂O: 50 mg/mL, clear

functional group

amine

SMILES string

CC(C)(C)OC(=O)c1ccc(N)cc1, 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

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pictograms

GHS08,GHS07,GHS09

signalword

Warning

hcodes

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

flash_point_f

494.6 °F - closed cup

flash_point_c

257 °C - closed cup

ppe

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

pcodes

P260 - P273 - P280 - P301 + P312 - P302 + P352 - P314

Storage Class

11 - Combustible Solids

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Development and validation of a rapid stability indicating HPLC-method using monolithic stationary phase and two spectrophotometric methods for determination of antihistaminic acrivastine in capsules.

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

Global Trade Item Number

SKU	GTIN
69750-100G	04061832793573
69750-500G	04061832793580