Specification Sheet
Product Name N,N-Dimethyl-p-phenylenediamine dihydrochloride,
for microbiology, ≥99.0%
Product Number 07770
Product Brand SIAL
CAS Number 536-46-9
Molecular Weight 209.12
 
TEST SPECIFICATION
APPEARANCE (COLOR) White to Off White
APPEARANCE (FORM) Powder
ARGENTOMETR. TITRATION 99.0 - 101.0 %
PURITY (TLC AREA %) ≥ 99.0 %
MELTING POINT (DEC.) 210 - 215 C
SOLUBILITY (COLOR) REPORT RESULT
SOLUBILITY (TURBIDITY) Clear
SOLUBILITY (METHOD) 1G IN 10ML WATER
RESIDUE ON IGNITION ≤ 0.05 %
INFRARED SPECTRUM CONFORMS TO STRUCTURE
METAL TRACE ANALYSIS (ICP) CORRESPONDS TO REQUIREMENTS
CALCIUM (ICP) ≤ 10 mg/kg
CADMIUM (ICP) ≤ 5 mg/kg
COBALT (ICP) ≤ 5 mg/kg
CHROMIUM (ICP) ≤ 5 mg/kg
COPPER (ICP) ≤ 5 mg/kg
IRON (ICP) ≤ 5 mg/kg
POTASSIUM (ICP) ≤ 50 mg/kg
MAGNESIUM (ICP) ≤ 5 mg/kg
MANGANESE (ICP) ≤ 5 mg/kg
SODIUM (ICP) ≤ 500 mg/kg
NICKEL (ICP) ≤ 5 mg/kg
LEAD (ICP) ≤ 5 mg/kg
ZINC (ICP) ≤ 5 mg/kg
RECOMMENDED RETEST PERIOD 42 MONTHS