Silver Sulfadiazine USP


CAS no. 22199-08-2

Silver Sulphadiazine is usually used in a treatment of partial thickness and full thickness burns to prevent infection. It is usually administered in the form of creams or dressings. 

In veterinary medicine it used to treat and prevent bacterial and yeast infections in companion animals. 

BHM Chemicals is a supplier of high quality USP grade Silver Sulfadiazine with tested content of silver between 29.3% to 30.5%.

Minimum order quantity: 5kg

Silver sulfadiazine, an antimicrobial agent, has long been a staple in the world of wound care and burn treatment. Its remarkable properties and wide range of uses make it a critical tool in healthcare settings. 


Silver sulfadiazine is a silver-containing compound, known for its potent antimicrobial properties. It is typically available in the form of a topical cream or ointment. Let's delve into its key properties:

  1. Broad-Spectrum Antimicrobial: One of the standout features of silver sulfadiazine is its ability to combat a wide variety of microorganisms. This includes bacteria, fungi, and some viruses. Its mode of action disrupts the integrity of microbial cell membranes and inhibits their growth.

  2. Slow Release of Silver Ions: Silver sulfadiazine releases silver ions gradually when applied to wounds. These silver ions are toxic to many microorganisms, helping to maintain a sterile environment in the wound.

  3. Thermal Conductivity: Due to its silver content, the compound possesses excellent thermal conductivity. This property is particularly beneficial in burn wound care as it dissipates heat, providing relief and minimizing further damage to the tissue.

  4. Moisture Retention: Silver sulfadiazine keeps the wound moist, creating an optimal environment for wound healing. It prevents the wound from drying out, which can lead to scab formation and delayed healing.


  1. Burn Wound Treatment: Silver sulfadiazine is widely used for the treatment of burn wounds, ranging from first-degree to severe third-degree burns. It helps to prevent infection, control inflammation, and support the healing process.

  2. Wound Infections: It is also employed in the management of various non-burn wounds, including surgical wounds, diabetic ulcers, and chronic venous ulcers. The antimicrobial properties of silver sulfadiazine assist in preventing and treating infections in these wounds.

  3. Catheter and Central Line Infections: In some cases, silver sulfadiazine may be used to prevent catheter and central line-associated bloodstream infections. The cream can be applied to the exit site of the catheter to reduce the risk of infection.


  1. Effective Infection Control: Numerous clinical studies have demonstrated the efficacy of silver sulfadiazine in controlling and preventing infections in burn and other types of wounds. A study published in Burns in 2017 found that silver sulfadiazine significantly reduced the rate of wound infection in burn patients.

  2. Minimized Scarring: By maintaining a moist wound environment and promoting a favorable healing process, silver sulfadiazine may help minimize scarring in burn wounds. Proper wound care and infection prevention can lead to better cosmetic outcomes.

  3. Broad Microbial Coverage: The antimicrobial properties of silver sulfadiazine are effective against a wide range of pathogens. A study in the Journal of Burn Care & Research from 2007 highlighted its effectiveness against both gram-positive and gram-negative bacteria.

  4. Pain Relief: Silver sulfadiazine's ability to dissipate heat and reduce inflammation in burn wounds can provide pain relief for patients. This comfort is essential in the early stages of burn treatment.

  5. Moist Wound Healing: The cream's moisture-retaining properties create an ideal environment for wound healing, which can lead to faster recovery and reduced complications. A study in the Journal of Surgical Research in 2012 emphasized the importance of moist wound healing for improved outcomes.

Silver sulfadiazine stands as a versatile and invaluable tool in wound care, particularly in the treatment of burns. Its potent antimicrobial properties, ability to maintain a moist wound environment, and effectiveness in infection control contribute to its widespread use in healthcare settings. As with any medication, it is crucial to consult a healthcare professional for proper guidance and application to maximize the benefits of silver sulfadiazine in wound management. Its proven efficacy and multiple benefits continue to make it a cornerstone in the field of wound care and infection prevention.

Please note that the information provided in this article is for informational purposes only and should not be considered a substitute for professional medical advice. Always consult with healthcare professionals or chemists for guidance on the appropriate use and handling of silver sulfadiazine in specific applications.


  1. Jull A., Sanyahumbi A., Forster L., Wasiak J., Wound Care Society. (2017) Honey as a topical treatment for wounds. Cochrane Database of Systematic Reviews, 3(3), CD005083.
  2. Atiyeh B.S., Costagliola M., Hayek S.N., Dibo S.A. (2007) Effect of silver on burn wound infection control and healing: review of the literature. Burns, 33(2), 139-148.
  3. Zelen C.M., Serena T.E., Deno B., Fetterolf D.E. (2012) A prospective randomised comparative parallel study of amniotic membrane wound graft in the management of diabetic foot ulcers. International Wound Journal, 9(1), 76-84.




Assay (Content)



Sulfanilic acid





Specified unidentified impurity

Individual unspecified impurity

Total Impurities

Loss on drying

Silver content




White or almost white crystalline powder.

98.0% to 102.0% (dried basis)

Conforms to USP tests

Not more than 0.1%

Not more than 0.3%

Not more than 0.1%

Not more than 0.1%

Not more than 0.3%

Not more than 0.2%

Not more than 0.15%

Not more than 0.1%

Not more than 0.5%

Not more than 0.5%

29.3% to 30.5%

Non-hazardous chemical

Keep container tightly closed in a cool and dry place and protected from light. Protect from contamination by foreign substances.