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特別 提示
CAS Number 55-55-0
Linear Formula C7H9NO · 1/2H2SO4
Molecular Weight 172.19
Beilstein Registry Number 3919382
EC Number 200-237-1
MDL number MFCD00013140
PubChem Substance ID 329761925
| Related Categories | Analytical Reagents, Analytical/Chromatography, Building Blocks, C6 to C8, Chemical Synthesis, |
| grade | ACS reagent |
| InChI Key |
ZVNPWFOVUDMGRP-UHFFFAOYSA |
| assay | ≥99.0% (NT) |
| ≥99.0% | |
| autoignition temp. | 989 °F |
| quality | for spectrophotometric det. of inorganic phosphate |
| ign. residue | ≤0.1% |
Metol (4-methylaminophenol sulphate) is white crystalline which helps in determination of phosphate by reduction reaction of phosphomolybdic acid to molybdenum blue with intense colour. It is used as reducing agent. A solution of Metol could be prepared by dissolving a known amount in water with hydrated sodium sulphite along with which few drops of Brij needs to be added.
ECOL is a trademark of Sigma-Aldrich Co. LLC
GHS07, GHS08, GHS09
