CAS No. 117-39-5

Appearance	Yellow powder
Identification	Must positive
Melting point	305℃ —315℃
Particle size	95% pass through Sieve # 80 mesh
Bulk density	≥ 0.20gm/cc
Tapped Density	≥ 0.30gm/cc
Heavy metals	≤ 10ppm
-Arsenic(As)	≤ 2ppm
-Lead (Pb)	≤ 2ppm
-Mercury(Hg)	≤ 1ppm
-Cadmium(Cd)	≤ 1ppm
Sulphated Ash	≤ 0.30%
Loss on drying	≤ 12.0%
Assay by HPLC	≥ 95.0%
Total plate count	≤ 1000cfu/g
Mildew & Yeast	≤ 300cfu/g
E.Coli ； Negative
Salmonella	Negative
Staphylococcus	Negative
Residual Solvent	≤ 5000mg/kg
Pesticide Screen	Not Detected

Appearance	Yellow powder
Identification	Must positive
Melting point	305℃ —315℃
Particle size	95% pass through Sieve # 80 mesh
Reducing sugars	Not be detected
Sulfate	≤ 1000ppm
Chloride	≤ 1000ppm
Bulk density	≥ 0.20gm/cc
Tapped Density	≥ 0.30gm/cc
Heavy metals	≤ 10ppm
-Arsenic	≤ 1ppm
-Mercury	≤ 0.1ppm
-Cadmium	≤ 1ppm
-Lead	≤ 3ppm
Sulphated Ash	≤ 0.30%
Loss on drying	9.5%—12.5%
Assay by UV	98.0%～ 102.0%
Total plate count	≤ 10000cfu/g
Mildew & Yeast	≤ 1000cfu/g
E.Coli	Negative
Salmonella	Negative
Coliforms	≤ 10cfu/g

Molecular Formula: C15H10O7
Molecular Weight: 302.24
Hazard Symbols: T,Xi
UN Number: 2811
WGKGermany: 3
PackingGroup: III
HS Code: 29329990

Category:Working Standards
Purity:98,00%

Storage conditions: Room Temperature

Density: 1.3616 (rough estimate)

Melting point: 316.5 °C

pKa: 6.31±0.40(Predicted)

MW: 302.24

Boiling point: 363.28°C (rough estimate)

Smile code:
O=C1C(O)=C(C2=CC=C(O)C(O)=C2)OC3=C1C(O)=CC(O)=C3
MDL Number:
MFCD00006828
Purity :
97%
Available in stock:
11194.818 g