VAV Life Sciences Pvt. Ltd. Supplies Sodium Valproate in Crystalline Powder Form. VAV Life Sciences Pvt. Ltd. Manufactures natural extracts, food nutrition and pharmaceutical products. Sodium Valproate in Crystalline Powder Form has been available in white or almost white in color and is hygroscopic. Sodium Valproate in Crystalline Powder Form is used in pharmaceutical purposes. This sodium valproate in crystalline powder form is available in the pack of 25 / 50 kg seaworthy fiber / HDPE drums with inner polyethylene bags. It is available in the grade of BP / EP.