purum, for photographic purposes, ≥98.0% (HPLC)
Synonym(s): 4-(Methylamino)phenol hemisulfate salt; Metol
Empirical Formula: C7H9NO -+ 0.5H2SO4
Formula Weight: 172.19
Linear Formula: C7H9NO -+ 1/2H2SO4
MDL Number: MFCD00013140
Purity: ≥98.0% (HPLC)
Melting Point: 260 °C (dec.)(lit.)
Beilstein Registry Number: 3919382
RTECS No.: SL8650000
RIDADR: UN 3077 9 / PGIII
Signal Word: Warning
Hazard statements: H302-H317-H373-H410
Precautionary statements: P273-P280-P501
Hazard Codes (Europe) : Xn,N
Risk Statements (Europe): 22-43-48/22-50/53
Safety Statements (Europe): 36/37-46-60-61
WGK Germany: 3