News


  • January 1st, 2007 :
    "Laboratoire PAREVA" becomes a self-governing compagny, but still 100% subsidiary of MAREVA

    July 19th, 2007 :
    "Laboratoire PAREVA" sent its dossier for PHMB to Repporter Member State to comply with Direction 98/8/EC on biocides (BPD)

Additional information

Technical data

Image
ImagePhysico-chemical information
The table bellow gives specifications of our standard grade PHMB Trade Name : "PHMB P20 D"

Parameters Specifications
Aspect [ Turbidity ] Limpid to slightly opalescent Liquid
Colour Colourless to yellowish
pH (20°C) Standard : 4.0 – 5.0 with possible extension between 3.0 to 6.5
Density (20°C) 1.039 - 1.046
ASSAY 19.0 – 21.0% (p/p)
Freezing temperature +4°C to +6°C (39.2 to 42.8 F)
Boiling temperature 102 à 105°C (215.6 à 221 F)
Decomposition temperature
of the active ingredient
200-230°C (392-446 F)
FLASH POINT not concerned
DYNAMIC VISCOSITY 1,2.10-³Pa.s
SOLUBILITY in water totally soluble in water
SOLUBILITY in other solvents

- aliphatic alcohols (low hydrocarbon chain) and glycol.
- Insoluble in organic hydrocarbons

Other PROPERTIES

- Complexes with most of divalent metallic salts (Fe, Cu, Ni,...)
- Its cationic property makes it totally incompatible with anionics (formation of a recipitate).
- Active ingredient is easily decomposed by oxidisers (chlorine based products, ozone,.....)


ImageToxicological information
The table bellow gives some Tox Information performed of our standard grade PHMB "PHMB P20 D"

Toxicological Tests Reference of OECD methods Reference of EEC methods Results
Acute dermal toxicity (on rat) 402 B3 Not classified
Skin irritation study : Assessment of acute irritant/corrosive effect on the skin (on rabbit) 404 B4 Slightly irritant
Eyes irritation study : Evaluation of acute irritant/corrosive effects on the eyes (on Albino New-Zealand rabbits) 405 B5 Risks of serious damages
Skin Sensitisation : Assessment of sensitising properties Albino guinea pig 406 B6 No effects (no sensitisation)
Acute oral toxicity (on rat) 423 B1-ter Not classified


ImageEco-Toxicological information
The table bellow gives some Tox Information performed of our standard grade PHMB "PHMB P20 D"

Eco-toxicological Tests Reference of OECD methods Reference of EEC methods Results
Algal inhibition test Selenastrum capr.
(72 h)
201 C3 EC50 > 0.1 mg / L NOEC50 > 0.01 mg / L
Acute toxicity in molluscs Daphnia magna (48 h) 202 C2 EC-50 = 1 to 10 mg / L
Acute toxicity in fresh water fish Onchorhynchus mykiss (96 h) 203 C1 LC50 = 1 to 10 mg / L


ImageMore information

- Click here