Ursolic acid CAS 77-52-1

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Ursolic acid CAS 77-52-1

Particle SizeNLT100%Through80 mesh
Loss on Drying≤5.0%
Ash (Sulphated Ash)≤5.0%
Total Heavy Metals≤10ppm
Arsenic(As)≤1ppm
Lead(Pb)≤1ppm
Mercury(Hg)≤0.05ppm
Cadmium (Cd)≤1ppm
Total Plate Count≤10,000cfu/g
Total Yeast & Mold≤1,000cfu/g

Description

Ursolic acid:

Ursolic acid is a chemical product, formerly known as Ursolic Acid. The high content of ursolic acid is glossy prismatic (anhydrous ethanol) or fine hair-like needle crystal (dilute ethanol), the low content is brownish yellow or yellow-green powder, with a special smell, it is one of the natural plants A five-ring triterpenoid compound.
Melting point 283~288℃. Specific optical rotation [α]D25 +67.5° (C=1,1mol/L potassium hydroxide in alcohol solution). At 15 ℃, ethanol (99%) 1 ml can dissolve 10 mg, boiling 1 ml can dissolve 45 mg. Insoluble in water, still in methanol, ethanol, acetone, pyridine.

 

Ursolic acid:

CAS NO.: 77-52-1
Molecular formula: C30H48O3
Appearance: powder
Purity: 90.0%min
Molecular weight: 456.7
EINECS NO.: 201-034-0

 

Specification:

Particle SizeNLT100%Through80 mesh
Loss on Drying≤5.0%
Ash (Sulphated Ash)≤5.0%
Total Heavy Metals≤10ppm
Arsenic(As)≤1ppm
Lead(Pb)≤1ppm
Mercury(Hg)≤0.05ppm
Cadmium (Cd)≤1ppm
Total Plate Count≤10,000cfu/g
Total Yeast & Mold≤1,000cfu/g

Stored in a dry, ventilated environment and flammable area.

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