China (Mainland)
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Protionamide CAS NO.14222-60-7
- Min.Order: 1 Kilogram
- Payment Terms: L/C|D/A|D/P|T/T|Westem Union
- Product Details
Keywords
Quick Details
- ProName: Protionamide
- CasNo: 14222-60-7
- Molecular Formula: C9H12N2S
- Appearance: Yellow crystalline powder
- Application: Has the inhibition of n/med tuberculos...
- DeliveryTime: prompt shipment
- PackAge: 25kg/drum
- Port: Hangzhou,Shanghai,China
- ProductionCapacity: /
- Purity: 99.0%~101.0%
- Storage: cool and dry
- Transportation: by sea ,air or express
- LimitNum: 1 Kilogram
Superiority
Characteristics: Yellow crystals or crystalline powder Identification: A. The infra-red absorption spectrum is concordant with the refer…
Details
Characteristics: Yellow crystals or crystalline powder
Identification: A. The infra-red absorption spectrum is concordant
with the reference spectrum of prothiionamide CRS.
B: A maximum only at 291nm,the absorbance is about 0.78.
C: Heat 0.1g with 5ml of 1M hydrochlorid acid.A gas is evolved which turns lead acetate paper black.
Solubility :Practically insoluble in water,soluble in 30 parts of
ethanol(96%) and in 16 parts of methanol;slightly soluble in chloroform and in ether.
Acidity :Not more than 0.2ml of 0.1M sodium hydroxide is
required to change the color of the indicator to red.
Melting point :140~143℃
Related substances: Any secondary spot in the chromatogram obtained
with solution(1) is not more intense than the spot in the
chromatogram obtained with solution(2).
Heavy metals:≤ 20ppm
Loss on drying: ≤ 0.5%
Sulfated ash: ≤ 0.1%
Assay :99.0%~101.0%%
