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Biguanide 20, 25KG




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Biguanide 20, 25KG
CAS No. 27083-27-8

PLEASE READ: Biguanide 20 has been reclassified as a Class 9 Hazardous Material, because it is an Environmentally Hazardous Substance (harmful to aquatic life). Currently, we can only ship this via UPS Ground within the continental United States and via UPS Standard to Canada, and cannot ship it to Alaska, Hawaii or Puerto Rico.

Pricing on 25kg size is in lieu of Customer Rewards Points or any other discount.  This item may be a Special Order with a lead time of 2 - 4 weeks depending on availability.  Please contact us to inquire, if you need immediate shipment.

Biguanide 20, also known as Polyaminopropyl Biguanide, is a broad spectrum, fast acting bactericide. A 20% aqueous solution of poly(hexamethylenebiguanide) hydrochloride, also known as PHMB, Polyaminopropyl Biguanide is an effective preservative for make-up removers, moisturizing toners, facial cleansers, wet wipes and also offers antibacterial and deodorant properties. Originally formulated for the contact lens industry, it is also typically used in baby wipes. It is gentle in-use, with low eye and skin irritancy and low oral toxicity. 

Biguanide 20 is an effective non-formaldehyde, non-paraben preservative with no VOCs (Volatile Organic Compounds) which is heat and UV stable. It is effective over a broad pH range (4-10), but most effective at a pH of 6.0 or less. As it is cationic, it is compatible with cationic, amphoteric and non-ionic surfactants. It is incompatible with strongly anionic systems.

Biguanide 20 is incompatible with natural liquid soaps and beeswax/borax emulsions. It is more compatible with cationic emulsifiers like Lotioncrafter BTMS.

Biguanide 20 is heat stable to at least 80°C (176°F) and can be added pre or post emulsification. For complex formulations, consider combining with another preservative for a broader spectrum of activity or potassium sorbate for increased antifungal/mold protection.**

Recommended usage level: 0.2 - 1.5%.
Appearance: Clear to slightly pale yellow, slightly opalescent liquid.
pH: 5.0 - 5.5
Specific Gravity: 1.04
Solubility: Soluble in water. Miscible with ethanol, glycerin, and propylene glycol.

Country of Origin: USA


INCI: Polyaminopropyl Biguanide

Click here to access "Cosmocil CQ Antimicrobial - Effective Use in Personal Hygiene Wipes" by Dr. Terry Yeates, Avecia Protection & Hygiene, developers of Polyaminopropyl Biguanide. Of particular interest is Table 1 citing how Polyaminopropyl Biguanide may be co-formulated with additional antimicrobial agents to provide complementary and wider spectrum of activity (including the use of potassium sorbate, among others).

 

California Prop 65 Statement: The following statement is made in order to comply with the California Safe Drinking Water and Toxic Enforcement Act of 1986. This product is not known to the State of California to cause cancer, birth defects or other reproductive harm.


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01-25-2018
A car drove off the Anacortes Ferry Dock about 9:45AM this morning and emergency crews are there in a search and recovery effort. Service to and from Orcas Island is expected to be suspended for many more hours. This will delay UPS and Mail shipments by a day as these services will miss connections on the mainland. We appreciate your understanding of this situation beyond our control. Please keep the occupants of the vehicle in your thoughts and prayers. Here's a link to the story: http://www.kiro7.com/news/local/vehicle-plunges-off-anacortes-ferry-dock/689312503

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