Specification Sheet

Product Name
Trizma® hydrochloride BioUltra, for molecular biology, ≥99.0% (AT)

Product Number
93363

Product Brand
sigma

CAS Number
1185-53-1

Molecular Weight
157.60

Test

Specification

APPEARANCE (COLOR)Colorless or White
APPEARANCE (FORM)Powder or Crystals
ARGENTOMETR. TITRATION99.0 - 101.0 %
LOSS ON DRYING≤ 0.2 %
SULFATED ASH≤ 0.2 %
METAL TRACE ANALYSIS (ICP)CORRESPONDS TO REQUIREMENTS
ALUMINIUM (ICP)≤ 5 mg/kg
BARIUM (ICP)≤ 5 mg/kg
BISMUTH (ICP)≤ 5 mg/kg
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
LITHIUM (ICP)≤ 5 mg/kg
MAGNESIUM (ICP)≤ 5 mg/kg
MANGANESE (ICP)≤ 5 mg/kg
MOLYBDENUM (ICP)≤ 5 mg/kg
SODIUM (ICP)≤ 50 mg/kg
NICKEL (ICP)≤ 5 mg/kg
LEAD (ICP)≤ 5 mg/kg
STRONTIUM (ICP)≤ 5 mg/kg
ZINC (ICP)≤ 5 mg/kg
ARSENIC TRACES (MHS-AAS)≤ 0.1 mg/kg
TOTAL SULFUR AS SO4 (ICP)≤ 50 mg/kg
EXTRANEOUS ACTIVITIESDNAses, RNAses, Proteases, Phosphatases Not Detectable
SOLUBILITY (METHOD)4M IN WATER
APPEARANCE (SOLUTION)CLEAR COLORLESS
PH (SOLUTION)2.5 - 4.0
RESIDUE (FILTER TEST)NO RESIDUE
UV - ABS. AT 260 NM≤ 0.12
UV - ABS. AT 280 NM≤ 0.08
RECOMMENDED RETEST PERIOD72 MONTHS