4-(Methylamino)phenol hemisulfate salt
ALDRICH/320013 - ACS reagent, 99%
Synonym: p-(Methylamino)phenol hemisulfate salt; Metol
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 | 99% |
| 99.0-101.5% (ACS specification) | |
| autoignition temp. | 989 °F |
| form | powder |
| functional group | amine |
| grade | ACS reagent |
| ign. residue | ≤0.1% |
| InChI | 1S/2C7H9NO.H2O4S/c2*1-8-6 |
| InChI key | ZVNPWFOVUDMGRP-UHFFFAOYSA |
| mp | 260 °C (dec.) (lit.) |
| Quality Level | 200 ![]() |
| SMILES string | OS(O)(=O)=O.CNc1ccc(O)cc1 |
| suitability | passes test for determination of phosphate |
| Application: | 4-(Methylamino)phenol hemisulfate salt can be used in the synthesis of 4[N-methyl-N(4-hydroxyphenyl)amino]-7 |
| Packaging: | 100, 500 g in poly bottle |
| Symbol | ![]() ![]() GHS07,GHS08,GHS09 |
| Signal word | Warning |
| Hazard statements | H302 - H317 - H373 - H410 |
| Precautionary statements | P260 - P273 - P280 - P301 + P312 - P302 + P352 - P314 |
| Hazard Codes | Xn,N |
| Risk Statements | 22-36-43-48/22-50/53 |
| Safety Statements | 26-36/37-46-60-61 |
| 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 | 99%; 99.0-101.5% (ACS specification) |
| mp | 260 °C (dec.) (lit.) |
| UNSPSC | 12352100 |




