Metol
SIAL/69750 - purum, for photographic purposes, ≥98.0% (HPLC)
Synonym: 4-
CAS Number: 55-55-0
Empirical Formula (Hill Notation): C7H9NO · 0.5H2SO4
Molecular Weight: 172.19
EC Number: 200-237-1
MDL Number: MFCD00013140
Linear Formula: C7H9NO · 1/2H2SO4
Product Type: Chemical
| assay | ≥98.0% (HPLC) |
| autoignition temp. | 989 °F |
| color | white to faint beige |
| form | crystals |
| functional group | amine |
| grade | purum |
| impurities | ≤1% aminophenol |
| InChI | 1S/2C7H9NO.H2O4S/c2*1-8-6 |
| InChI key | ZVNPWFOVUDMGRP-UHFFFAOYSA |
| mp | 260 °C (dec.) (lit.) |
| Quality Level | 200 ![]() |
| SMILES string | CC(C)(C)OC(=O)c1ccc(N)cc1 |
| OS(O)(=O)=O.CNc1ccc(O)cc1 |
|
| solubility | H2O: 50 mg/mL, clear |
| Symbol | ![]() ![]() GHS07,GHS08,GHS09 |
| Signal word | Warning |
| Hazard statements | H302 - H317 - H373 - H410 |
| Precautionary statements | P273 - P280 - P301 + P312 + P330 - P302 + P352 - P314 |
| Hazard Codes | Xn,N |
| Risk Statements | 22-43-48/22-50/53 |
| Safety Statements | 36/37-46-60-61 |
| RIDADR | UN 3077 9 / PGIII |
| WGK Germany | WGK 3 |
| Flash Point(F) | 494.6 °F - closed cup |
| Flash Point(C) | 257 °C - closed cup |
| Purity | ≥98.0% (HPLC) |
| mp | 260 °C (dec.) (lit.) |
| UNSPSC | 12352100 |




