|REFRACTIVE INDEX N20/D||2.56|
|SPECIFIC GRAVITY (20/20°C)||0.892|
|INFRARED SPECTROMETRY||Conforms to Structure|
|Theophylline Basic information|
|Theophylline Chemical Properties|
|Melting point||271-273 °C|
|Boiling point||312.97°C (rough estimate)|
|density||1.3640 (rough estimate)|
|refractive index||1.6700 (estimate)|
|solubility||0.1 M HCl: soluble|
|Water Solubility||8.3 g/L (20 ºC)|
|Stability:||Stable. Incompatible with strong oxidizing agents.|
|CAS DataBase Reference||58-55-9(CAS DataBase Reference)|
|IARC||3 (Vol. 51) 1991|
|NIST Chemistry Reference||1,3-Dimethylxanthine(58-55-9)|
|EPA Substance Registry System||Theophylline (58-55-9)|
Since 2005, we have more than 15 years experience in chemical industry.
We can manufacture 3000+ kinds of water treatment chemicals, reagents&dyes.
We can supply any quantity you need for the first time for samples or trial orders,
so pls just tell us the real quantity you need.
If you could provide us your spec., our technician will check whether our quality could
meet your requirements or customize it for you. We could also provide our TDS,MSDS.
etc for your check. And the third party inspection is acceptable.At last, we could recommend
you some of our customers who use the same chemicals.
According to different values of our products, the samples could be for free,but it is not for all.
We are sorry to tell you that we can just use our professional shipping forwarders to ship goods of small quantities.
Because chemical products belong to special cargos, no matter it is dangerous chemical or not.
T/T, L/C, etc.
The goods of small quantity will be sent out in 3 working days. For bulk cargo,
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The product standards we can supply include corporate standards, Chinese Pharmacopoeia (CP), British Pharmacopoeia (BP),
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delivery will take 15-21 days.
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