Specification Sheet

Product Name
L-(+)-Tartaric acid ACS reagent, ≥99.5%

Product Number
251380

Product Brand
SIAL

CAS Number
87-69-4

Molecular Weight
150.09

Test

Specification

Appearance (Color)White
Appearance (Form)Conforms to Requirements
 Crystals or Crystalline Powder
Infrared spectrumConforms to Structure
Purity (Titration by NaOH)99.45 - 100.55 %
OxalatePass
 CA. 0.1% (as Oxalate) by Gravimetric Assay
Optical Rotation10.4 - 14.4
 Degrees C=20%, H2O
Enantiomeric Excess≥98.5 %
GC (area %)≥99.45 %
Residue on ignition (Ash)≤0.02 %
Insoluble matter≤0.005 %
Chloride Content≤0.001 %
Iron (Fe)≤5 ppm
Heavy Metals (as Lead)≤5 ppm
Phosphate (PO4)≤0.001 %
Sulfur compounds≤0.002 %
Meets ACS RequirementsCurrent ACS Specification

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