Talc Tallow

FCC V Monographs / Tartaric Acid / 467
Gums or Dextrin Dissolve 1 g of sample in 5 mL of water
and filter, then add 10 mL of alcohol to the filtrate. No turbidity
forms within 15 min.
Lead Determine as directed under Lead Limit Test, Appendix
IIIB, using a Sample Solution prepared as directed for
organic compounds, and 2 g of lead (Pb) ion in the control.
Loss on Drying Determine as directed under Loss on Drying,
Appendix IIC, drying a sample at 105° for 2 h.
Residue on Ignition Determine as directed under Residue
on Ignition, Appendix IIC, igniting a 1-g sample.
Resinous Substances Dissolve 1gofsample in 5 mL of
water and filter, then dilute the filtrate to 15 mL. No turbidity
forms.
Packaging and Storage Store in tight, light-resistant containers.
Tarragon Oil
Estragon Oil
FEMA: 2412
CAS: [8016-88-4]
View IR
DESCRIPTION
Tarragon Oil occurs as a pale yellow to amber liquid having
a delicate, spicy odor similar to fennel and sweet basil but
characteristic of Tarragon Oil. It is the volatile oil obtained
by steam distillation from the leaves, stems, and flowers of
the plant Artemesia dracunculus L. (Fam. Asteraceae). It is
soluble in most fixed oils and in an equal volume of mineral
oil, occasionally becoming hazy on further dilution. It is relatively
insoluble in propylene glycol, and is insoluble in
glycerin.
Function Flavoring agent.
REQUIREMENTS
Identification The infrared absorption spectrum of the sample
exhibits relative maxima at the same wavelengths as those
of a typical spectrum as shown in the section on Infrared
Spectra, using the same test conditions as specified therein.
Acid Value Not more than 2.0.
Angular Rotation Between +1.5° and +6.5°.
Refractive Index Between 1.504 and 1.520 at 20°.
Saponification Value Not more than 18.
Solubility in Alcohol Passes test.
Specific Gravity Between 0.914 and 0.956.
TESTS
Acid Value Determine as directed under Acid Value, Appendix
VI.
Angular Rotation Determine as directed under Optical
(Specific) Rotation, Appendix IIB, using a 100-mm tube.
Refractive Index Determine as directed under Refractive
Index, Appendix IIB, using an Abbé or other refractometer
of equal or greater accuracy.
Saponification Value Determine as directed in Saponification
Value under Esters, Appendix VI, using about 5 g of
sample, accurately weighed.
Solubility in Alcohol Determine as directed under Solubility
in Alcohol, Appendix VI. One milliliter of sample is soluble
in 1 mL of 90% alcohol.
Specific Gravity Determine by any reliable method (see
General Provisions).
Packaging and Storage Store in a cool place protected
from light in full, tight containers that are made from steel
or aluminum and that are suitably lined.
Tartaric Acid
L(+)-Tartaric Acid
HO
O
H
H
OH
OH
OH O
C4H6O6 Formula wt 150.09
INS: 334 CAS: [87-69-4]
FEMA: 3044
DESCRIPTION
Tartaric Acid occurs as colorless or translucent crystals or as
a white, fine to granular, crystalline powder. It is stable in
air. One gram dissolves in 0.8 mL of water at 25°, in about
0.5 mL of boiling water, and in about 3 mL of alcohol. Its
solutions are dextrorotatory.
Function Acidifier; sequestrant; flavoring agent.
REQUIREMENTS
Identification A sample solution gives positive tests for
Tartrate, Appendix IIIA.
Assay Not less than 99.7% and not more than 100.5% of
C4H6O6 after drying.
Lead Not more than 2 mg/kg.
Loss on Drying Not more than 0.5%.
Optical (Specific) Rotation
+13.0°.
25°
[] D : Between +12.0° and
Oxalate Passes test.
Residue on Ignition Not more than 0.05%.
Sulfate Passes test.