factory hot sale raw materiawl vitamin d2,ergocalciferol,vitamin d2 power,usp vitamin d2/ 50-14-6
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raw materiawl vitamin d2,ergocalciferol,vitamin d2 power,usp vitamin d2/ 50-14-6
ame |
vitamin d2 |
cas |
50-14-6 |
synonyms |
vintamind;ergocalciferol;calciferol; (3beta,5z,7e,22e)-9,10-secoerga-5,7,10(19),22-tetraen-3-ol ; 9,10-secoergosta-5,7,10(19),22-tetraen-3-ol, (3beta,5z,7e,22e)- |
molecular formula |
c28h44o |
molecular weight |
396.65 |
assay |
97.0%-103.0% |
quality standards |
usp33/bp2011/ep7 and cp2010 |
light absorption |
460-490(bp) |
specific optical rotation |
+103° - +106° |
characteristic |
a white crystalline powder. |
melting point |
118-119°c |
dangerous mark |
t+:very toxic |
risk terms |
r24/25; r26; r48/25 |
security terms |
s28a; s36/37; s45; |
storage |
store in dark area, replaced air with nitrogen, under cold environment(2-10°c) |
package |
as your required |
water solubility |
at 26 °c, solubility in ethanol is 28 g/100ml, in acetone is 25 g/100ml. ether -soluble, do not dissolve in water. |
aluminum foil bag. 25kg/drum
prompt shipment after receipt of your order confirmation.
transit could be dhl,ups,tnt,ems,fedex,and so on.
for mass orders, it will be delivered by air or sea.
depending on your location, please allow 1-5 business days for your order to arrive.
for small order, please expect 3-7 days by ups dhl ems.
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