Manufacturer Supply 99% CAS 331-39-5 Caffeic Acid

• Powder: Yes
• Customized: Customized
• Certification: GMP, HSE, ISO 9001, USP, BP
• Suitable for: Elderly, Children, Adult
• State: Powder
• Purity: >99%
• Model NO.: hb-Caffeic acid
• Appearance: Yellow Powder
• MOQ: 100g
• Single Gross Weight: 1kg
• Shelf Life: 2 Years
• Sample: Avaliable
• Single Package Size: 40X20X40 Cm
• Grade: Cosmetic Grade
• Transport Package: Package
• Specification: 99%
• Trademark: HaiBo
• Origin: Xi′an
• HS Code: 0000
• Production Capacity: 1000000

Product Description

Product Name:Caffeic acid
CAS:331-39-5
MF:C9H8O4
MW:180.16
EINECS:206-361-2
Mol File:331-39-5.mol  
Melting point:211-213 °C (dec.)(lit.)
Boiling point:272.96°C (rough estimate)
Density 1.2933 (rough estimate)
refractive index 1.4500 (estimate)
storage temp. Store at RT.
solubility ethanol: 50 mg/mL
pka4.58±0.10(Predicted)
form powder
color yellow to tan
Water Solubility soluble in hot water

Items	Specifications	Results
Appearance	Yellow Powder	Yellow Powder
Identification	Positive	Complies
Assay	98	98.5%
Ash	≤5.0%	2.55%
Loss on drying	≤5.0%	1.20%
Ignition residue	≤2.0%	0.25%
Heavy metals	≤10ppm	Complies
Pb	≤2.0ppm	Complies
As	≤2.0ppm	Complies
Odor	Characteristic	Complies
Particle size	100%through 80 mesh	Complies
Microbioiogical:
Total of bacteria	≤1000cfu/g	100cfu/g
Fungi	≤100cfu/g	Complies
Salmgosella	Negative	Complies
Coli	Negative	Complies
Conclusion	Conform with USP/FCC/E302 specification
Storage condition	Store in cool & dry place, Do not freeze. Keep away from strong light and heat.
Shelf life	2 years when properly stored