|FOB Price:||Get Latest Price|
|Min. Order:||10 gram|
|Production Capacity:||Adequate Stock|
|Transport Package:||Exquisite and Can According to Your Requirements|
|Payment Terms:||T/T, Western Union, Paypal, Money Gram|
- Model NO.: 51022-70-9
- Trademark: Taigui
- Origin: China
- CAS: 51022-70-9: Purity: 99%
- Specification: ISO9001
Alias: Ventolin; Proventil
CAS No: 51022-70-9
EINECS No: 242-424-0
MF: (C13H21NO3)2· H2SO4
Appearance: White powder, soluble in the water and ethanol
Usage: White powder, soluble in the water and ethanol
1, High quality with competitive price:
1)Standard: Enterprise Standard
2)All Purity≥ 99%
3)We are manufacturer and can provide high quality products with factory price.
2, Fast and safe delivery
1)Parcel can be sent out in 24 hours after payment. Tracking number available
2)Secure and discreet shipment. Various transportation methods for your choice.
3)Customs pass rate ≥ 99%
4) We have our own agent/remailer/distributor who can help us ship our products very fast and safe, and we have stock in there for transferring.
3, We have clients throughout the world.
1)Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet their desire.
2)Market feedback and goods feedback will be appreciated, meeting customers's requirement is our responsibility.
3) High quality, competitive price, fast delivery, first-class service gain the trust and praise from the customers.
Comments please, any question is appreciated. Most of our products have in stock, sample and trial order is available, Please feel free contact.
Standard: Enterprise standard/ ISO9001
Minimum order quantity: 10g
Package: Exquisite and can according to customers' requirement
Shipping leading time: Within 24 hours after receiving the payment
Payment options: Western Union, MoneyGram, bank transfer, paypal
1) Express delivery with DHL, EMS, FedEx, HKEMS, TNT, UPS(within 5-7days after payment)
2) By sea (large quantity, it will take 30-45days)
|Test Items||Specification||Test Results|
|Appearance||white oralmost white,crystalline powder||Conform|
|Solubility||Freely soluble in water,practically insoluble or very slightly soluble in alcohol and in methylene chloride.||Conform|
|Identification||A||The UV absorption spectrum of the sample shows an absorption maximum at 276nm.The specific absorbance at the Maximum is55 to 64.||Conform|
|B||Infraed absorption spectrophotometry.||Conform|
|C||Chromatogram obtained with test solution (b) is similar in position color & size to the principal spot in the chromatogram obtained with the reference solution.||Conform|
|D||An orange-red color develop in methylene chloride layer.||Conform|
|E||It geves reaction (a) of sulphates.||Conform|
|Appearance of solution||Solution S is clear and not more intensely coloured than reference solution in BY6.||Conform|
|Optical rotation||0.10° to +0.10°determined on solution S.||+0.01°|
|Acidity or alkalinity||NMT 0.4ml of 0.01M HCL is required to change the color of the indicator to red.||Conform|
|Related substances||Impurity J ≤0.20%||Conform|
|Any other impurity ≤0.30%||Conform|
|Total impurity ≤1.0%||Conform|
|Loss on drying||≤0.5%||0.30%|
|Assay(on dried basis)||98.0~101.0%||98.8%|
|Conclusion||The test results above BP2009|