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69750

Metol

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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Quality Segment

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

Legal Information

Signal Word

Warning

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 (personal protective equipment)

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

Storage Class

11 - Combustible Solids

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