nav Searchuser
Chemical Identification
Common Name
Ergocalciferol
IUPAC
(5Z,7E,22E)-(3S)-9,10-secoergosta-5,7,10(19),22-tetraen-3-ol
CAS
(3β,5Z,7E,22E)-9,10-secoergosta-5,7,10(19),22-tetraen-3-ol
CAS No.
50-14-6
Molecular Formula
C28H44O
Molecular Structure
Physical Properties
Molecular weight:396.7; Physical form:Colourless crystals. Melting point:115-118 °C; Solubility:In water 50 mg/l (room temperature). In acetone 69.5, benzene 10, hexane 1 (all in g/l, room temperature).; Stability:Stable in alkaline media. Unstable to light and air, and in acidic media. Above 120 °C, an irreversible reaction takes place, with conversion to the 10a- and 9b- isomers of the provitamin.;
Toxicology
Oral:Acute oral LD50 for rats 56, mice 23.7 mg/kg. Sub-acute oral LD50 (5 d) for rats 7 mg/ kg daily.
Environmental Profile
Environmental fate: Animals:The D vitamins, owing to their metabolic conversion products, play a central role in the regulation of calcium and phosphate metabolism in mammals, which is also affected by the peptide hormones calcitonin and parathormone. These promote uptake of calcium
Transport Information
Hazard Class:O (Obsolete as pesticide, not classified)

Porduct NewsMore

Africa Watch: South Africa, Egypt rank top two for importing Clethodim

Clethodim

New Premix formulation “TODOMEBAS MF” liquid containing Farmhannong’s Metamifop launched in Japan

Metamifop

Yutian Analysis: Prothioconazole | The new market favorite?

Prothioconazole

Philippine disease control market: an old product but new thoughts

Zineb

FarmHannong launches new herbicide Flucetosulfuron in Myanmar

Flucetosulfuron

Africa Watch: Mesotrione becomes South Africa's top 1 imported pesticide product from China in 2019

Mesotrione

Yutian Analysis| India's heart Mancozeb and Acephate

Mancozeb Acephate

Flumioxazin – malignant weed destroyer with huge room for development

Flumioxazin

STK REGEV® ‘Hybrid’ Fungicide Registered in Chile

Difenoconazole Extract of Melaleuca Alternifolia

Yutian Analysis: Difenoconazole | 3,000-ton project is set to be built, but why is it so popular?

Difenoconazole

Related CompaniesMore