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Water for Injection

Buy Water for Injection Online is water that is intended for use in the manufacture of parenteral (i.e. injectable) drugs whose solvent is wate...

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  • Manufacturer : Sun Pharma
  • Equivalent Brands : Sterile Water for Injection
  • Generic Brands : WFI
  • Strength : 10 ml
Pack Size Best Value Qty Price Per Unit Price Add To Cart
10 Ampoule/s   $0.50 $5.00 Add to Cart
20 Ampoule/s   $0.45 $9.00 Add to Cart
30 Ampoule/s  $0.43 $13.00 Add to Cart

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1. Buy Water for Injection Online

Sterile Water for Injection, USP, is sterile, nonpyrogenic, distilled water in a single dose container for intravenous administration after addition of a suitable solute. It may also be used as a dispensing container for diluent use. No antimicrobial or other substance has been added. The pH is 5.5 (5.0 to 7.0). The osmolarity is 0.

The plastic container is fabricated from a specially formulated polyvinyl chloride (PL 146 Plastic). The amount of water that can permeate from inside the container into the overwrap is insufficient to affect the solution significantly. Solutions in contact with the plastic container may leach out certain chemical components from the plastic in very small amounts; however, biological testing was supportive of the safety of the plastic container materials.

2. What is Water for Injection?

Water for injection by definition is water that is intended for use in the manufacture of parenteral (i.e. injectable) drugs whose solvent is water. The USP (United States Pharmacopeia) defines this as highly purified waters containing less than 10 CFU/100 ml of Aerobic bacteria. These waters should also have fewer than 500 ppb of total organic carbon, fewer than 0.25 EU/ml endotoxins, and a conductivity of less than 1.3uS/cm @ 25 C.

Now that we have the textbook definition out of the way, we’ll spend the rest of this blog post delving a little deeper into WFI, how it’s made, and common pieces of process equipment used to make up WFI.

3. Side Effects of Water for Injection

The administration of a suitable admixture of prescribed additives may be associated with adverse reactions because of the solution or the technique of administration including febrile response, infection at the site of injection, venous thrombosis or phlebitis extending from the site of injection, extravasation, and hypervolemia.

If an adverse reaction does occur, discontinue the infusion, evaluate the patient, institute appropriate therapeutic countermeasures, and save the remainder of the fluid for examination if deemed necessary.

4. Warning of Water for Injection

Do not use for intravenous injection unless adjusted to approximate isotonicity with a suitable solute. Hemolysis may occur following infusion of Sterile Water for Injection, USP. Hemoglobin induced renal failure has been reported following hemolysis.

This solution is for compounding only, not for direct infusion. Hemolysis may occur following infusion of Sterile Water for Injection, USP. Hemoglobin induced renal failure has been reported following hemolysis.

This product contains aluminum that may be toxic. Aluminum may reach toxic levels with prolonged parenteral administration if kidney function is impaired. Premature neonates are particularly at risk because their kidneys are immature, and they require large amounts of calcium and phosphate solutions, which contain aluminum.

Research indicates that patients with impaired kidney function, including premature neonates, who receive parenteral levels of aluminum at greater than 4 to 5 µg/kg/day accumulate aluminum at levels associated with central nervous system and bone toxicity. Tissue loading may occur at even lower rates of administration.

5. Precaution of Water for Injection

Do not administer unless solution is clear and seal is intact.

  • General

Do not use for intravenous injection unless the osmolar concentration of additives results in an approximate isotonic admixture.

Consult the manufacturer’s instructions for choice of vehicle, appropriate dilution or volume for dissolving the drugs to be injected, including the route and rate of injection.

Inspect reconstituted (diluted or dissolved) drugs for clarity (if soluble) and freedom from unexpected precipitation or discoloration prior to administration.

  • Drug Interactions

Some drugs for injection may be incompatible in a given vehicle, or when combined in the same vehicle.  Consult with pharmacist, if available.

  • Pregnancy Category C

Animal reproduction studies have not been conducted with Sterile Water for Injection.  It is also not known whether Sterile Water for Injection can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity.  Sterile Water for Injection should be given to a pregnant woman only if clearly needed.

  • Pediatric Use

The safety and effectiveness in the pediatric population are based on the similarity of the clinical conditions of the pediatric and adult populations.  In neonates or very small infants the volume of fluid may affect fluid and electrolyte balance.

6. Water for Injection Dosage

Following suitable admixture of prescribed additives, the dosage is usually dependent upon the age, weight and clinical condition of the patient as well as laboratory determinations. See directions accompanying additive drug.

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration whenever solution and container permit.

Injections in plastic containers are intended for intravenous administration using sterile equipment.

Additives may be incompatible. Complete information is not available. Those additives known to be incompatible should not be used. Consult with pharmacist, if available. If, in the informed judgment of the physician, it is deemed advisable to introduce additives, use aseptic technique.

Do not store an unused portion of Sterile Water for Injection, USP. Mix thoroughly when additives have been introduced. Do not store solutions containing additives.

7. Storage of Water for Injection

The equipment indicated for the parts of the system that come into contact with the water should be of 316L stainless steel, ideally with internal surfaces polished to below 0.8 µm (ASME BPE). Other materials may be used such as polypropylene for example, however these systems have limitations and are rarely used. All elements in contact with the water must be of the sanitary type, and connections must be made by orbital welding or be tri-clamp connections.

The main items of equipment in a storage and distribution system are:

  • Storage Tank
  • Impeller Pump
  • Heat Exchanger
  • Ultraviolet Radiation Equipment (In purified water only)
  • Main instrumentation:
    • Level Transmitter
    • Conductivity sensor
    • Flow Meter
    • Temperature Probe
    • Pressure Transmitters
  • Control Panel.


Manufacturer Sun Pharma
Equivalent Brands Sterile Water for Injection
Generic Brands WFI
PharmaceuticalForm Injection/s
Strength 10 ml


Customer Reviews

Perfect Review by Jackie Benge
Order taken promptly
Service is kind and understanding
Order Deluvered quickly and correct
Prices are comfortable
Extremely pleased
Thank you
Will continue to use
Thank you very much (Posted on 12/28/2018)

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