Sigma-Aldrich/Metol/69749-50G/50G
市场价:
¥470.54
美元价:
361.95
产品分类:
表面活性剂
公司分类:
surfactant
联系Q Q:
3392242852
电话号码:
4000-520-616
电子邮箱:
info@ebiomall.com
商品介绍
Synonym:
4-(Methylamino)phenol hemisulfate salt,
Metol
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CAS Number 55-55-0
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Linear Formula C7H9NO · 1/2H2SO4
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Molecular Weight 172.19
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Beilstein Registry Number 3919382
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EC Number 200-237-1
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MDL number MFCD00013140
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PubChem Substance ID 329761925
Properties:
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% |
Description:
General description
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.
Legal Information
ECOL is a trademark of Sigma-Aldrich Co. LLC
Safety:
Symbol
GHS07, GHS08, GHS09
Signal word
Warning
Hazard statements
H302-H317-H373-H410
Precautionary statements
P260-P280-P301 + P312 + P330
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
RIDADR
UN 3077 9 / PGIII
WGK Germany
3
品牌介绍
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