Mannitol
Inquiry
| Post Date: | Nov 25,2016 |
| Expiry Date: | May 24,2017 |
| Detailed Description: |
Cas No. :87-78-5
Mannitol
MF: C6H14O6 MW: 182.17 This product is D-mannitol . Calculated on dry goods , including C6H14O6 should be 98.0 ~ 102.0% . Properties:white crystalline powder ; odorless, sweet . This product is soluble in water, in ethanol or ether almost insoluble. Melting point melting point of this product ( Appendix Ⅵ C) to 166 ~ 170 ℃. Identification: (1) To about 0.5g, test tube , add acetyl chloride 3ml, slowly dropping pyridine 0.5ml, with Dropwise with shaking , the reaction is completed once , pay attention to the solution was transferred to another tube , with ice -cooling, the precipitated crystals were filtered , After washing with ether 10ml , removal test tube, add ether 15ml, set a warm water bath heated to dissolve , hot dip take the ether Liquid vaporized ether to give white crystals ( recrystallized again when necessary, 1 ) , after drying , determined by law ( Appendix Ⅵ C), A melting point of 120 ~ 125 ℃. (2) to take this product a saturated aqueous solution 1ml, add ferric chloride solution and sodium hydroxide solution each 0.5ml, which generates Brown precipitate , shaking does not disappear ; dropping an excess of sodium hydroxide solution , which dissolved into a brown solution . (3) The infrared absorption spectrum should control of the spectrum ( spectral set 84 Figure ) consistent . Category:dehydration, diuretics. Storage:Sealed. EXW PRICE: USD5/KG ivy8888@chembj.com |
| CAS Registry Number: | 87-78-5 |
| Synonyms: | ;DL-Mannitol;AI3-19511;Hexahydroxyhexane;Mannidex 16700;NSC 9256;D-Mannitol;D-(-)-Mannitol;hexitol;L-altritol; |
| Molecular Formula: | C6H14O6 |
| Molecular Weight: | 182.1718 |
| Molecular Structure: | 
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| Safety Description: | S24/25:; |
| Company: | Wuhan Yuancheng Gongchuang Tech. Co.,Ltd. [ China ] |
| Contact: | qiuqiu |
| Tel: | 8602788217838 |
| Fax: | |
| Email: | ivy8888@chembj.com |
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