Product Certification&
Enterprise Certification
Country: China (Mainland)
Business Type:Trading Company
Tel: 86-571-87750367
Mobile: 86-18268089214
Tel: 86-571-87750367
Fax:
URL: http://www.clakebiotech.com
Province/state: zhejiang
City: hangzhou
Street: RUIBO INTERNATIONAL ,HANGZHOU ,CHINA
MaxCard:
CAS NO.128446-34-4
1. ISO
2. IN STOCK
3. FAST REPLY
QUALIFED ; EFFICIENCY; RESPONSIBLE
Test Standard |
Enterprise Standard |
ITEMS |
SPECIFICATION |
Appearance |
White or almost white powder;Odorless, slightly sweet; Freely soluble in water,soluble in ethanol,almost insoluble in acetone. |
Water solution pH |
pH5.0~8.5 |
Light-absorbing impurities |
Between 230 and 350 nm,the absorbance is NMT 0.5; and between 350 and 660 nm, the absorbance is NMT 0.5. |
Water |
≤10.0% |
Gamma Cyclodextrin |
≤1.5% |
Residue on ignition |
≤0.2% |
Heavy Metal |
≤10ppm |
Propylene glycol |
≤0.5% |
Assay |
≥95% |
Hydroxypropoxyl content |
17.5%~29.1% |
The total aerobic microbial count |
≤1000cfu/g |
The total combined moulds and yeasts count |
≤100cfu/g |
Escherichia coli |
Absence |
Bacterial Endotoxins Test |
According to preparation needs |
Packaging and storage |
Preserve in well-closed containers. |