vitamin a basic information

product name:	vitamin a
synonyms:	(all-e)-3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraen;-1-ol;2,4,6,8-nonatetraen-1-ol, 3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-, (all-e)-;21 cfr 182,5930;3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclchexen-1-yl)-2,4,6,8-nonatetraen-1-ol;6,8-nonatetraen-1-ol,3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-4;acon;afaxin
cas:	68-26-8
mf:	c20h30o
mw:	286.45
einecs:	200-683-7
product categories:	intermediates & fine chemicals;pharmaceuticals;retinoids;intracellular receptor;inhibitors
mol file:	68-26-8.mol

vitamin a chemical properties

mp	61-63 °c(lit.)
refractive index	1.641
fp	-26 °c
storage temp.	2-8°c
form	crystalline
color	yellow to orange
merck	13,10073
stability:	stable, but light and air sensitive. incompatible with strong acids, strong oxidizing agents.
cas database reference	68-26-8(cas database reference)

safety information

hazard codes	xn,n,f,t
risk statements	22-38-67-65-62-51/53-48/20-11-43-61
safety statements	36/37-61-62-45-53-16-33-29-9
ridadr	un 1208 3/pg 2
wgk germany	3
rtecs	vh6750000
f	8-10-16-23

msds information

provider	language
acros	english
sigmaaldrich	english

vitamin a usage and synthesis

chemical properties	yellow-orange powder
usage	mucolytic
usage	vitamin a
usage	occurs preformed only in animals; metabolized from carotenoids, such β-carotene, in the intestinal mucosa. dietary sources include liver, milk, butter, cheese, eggs and fish liver oils or as carotenoi s from fruits and vegetables. stored primarily in the liver in esterified form; transported in the blood by retinol binding protein (rbp). nutritional factor.
usage	atracurium besilate intermediate

vitamin a preparation products and raw materials

raw materials

sodium methanolate-->bromoethane-->ethyl chloroacetate-->isopropyl acetate -->methyl vinyl ketone-->ionone-->undecan-4-olide-->sodium acetylide-->cod liver oil-->vitamin a

company information

henan sunlake enterprise corporation is located in henan province , the central plain of china , which enjoys favorable geogeaphical position and convenient transportion. the com[any was established in june. 1998, until now having more than 18 years experience in manufacturing & exporting chemical raw material .

sunlake is a professional manufacturer engaged in producing and selling chemicals,including organic & inorganic chemicals , pigments & dyestuffs , water treatment chemicals , food & feed additives and others. these products have been being well exported to europe, southeast asia, the middle east ,africa, south america and some other countries and areas.

we sincerely welcome foreign friends to visit our plant for cooperation. with the idea of "quality first,credit priority, excellent service", we are highly acknowledged by customers for good quality and competitive price. more importantly , the company has a strong r & d team, who are professional engineers and scholars with ph. d. .so we are confident to serve you better with our high - quality products and professional team. we are taking great efforts to provide our customers with demanded goods and professional services, and continuously improve our core ability of competition and get the momentum for sustainable development, and finally make us being a reliable and professional supplier in international market.

we welcome any serious inquiries from all customers of the world, and sincerely hope to cooperate with you for a brilliant future!