Консервант
Product Specification
Primeguard CMI
INCI: Aqua, Methylchlororisothiazolinone and methylisothiazolinone
Description: Preservative
Test parameter Unit Specification
Appearance Clear to light yellow liquid
Odour Mild, characteristic
pH (10% in water) 2.0 – 5.0
Solubility (water) Soluble
Primeguard CMI is a 1.5% solution of a blend of chloromethyl and methyl isothiazolinone in
a ratio 3:1. The mixture is stabilised with magnesium chloride and magnesium nitrate. This
isothiazolinone blend is a broad-spectrum preservative with extremely high efficacy at low
use levels. It is particularly useful in detergent-based products, such as shower gels, bath
foams and shampoos.
Applications
• Shampoo & Shower gels (Rinse-off)
• O/W emulsions
• W/O emulsions
• Oral care
• Products for children under 3
Use scenarios derived from evaluation of Cosmetic Regulation guidelines and preservative
performance for typical formulations.
Formulation Guidance
pH (effective range) 3.0 – 8.0
Solubility (Water) Soluble
Solubility (Glycols) Soluble
Maximum process temperature 40°C
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