69750

Metol

purum, for photographic purposes, ≥98.0% (HPLC)

• Synonym(s): 4-(Methylamino)phenol hemisulfate salt, Metol
• Linear Formula: C₇H₉NO · 1/2H₂SO₄
• CAS Number: 55-55-0
• Molecular Weight: 172.19
• Beilstein/REAXYS Number: 3919382
• EC Number: 200-237-1
• MDL number: MFCD00013140
• UNSPSC Code: 12352100
• PubChem Substance ID: 329761927
• NACRES: NA.22

Properties

• grade: for photographic purposes; purum
• Quality Level: 200
• 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
• SMILES string: 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

Legal Information

Safety Information

• pictograms: GHS08,GHS07,GHS09
• signalword: Warning
• hcodes: H302,H317,H373,H410
• pcodes: P273 - P280 - P301 + P312 + P330 - P302 + P352 - P314
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Skin Sens. 1 - STOT RE 2
• Storage Class: 13 - Non Combustible Solids
• wgk_germany: 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