(rapid smear stain, RAL 555) FIXATIVE, REFILL R1, 1 l,bot


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Hazardous materials and products (identified by their 4-digit transport UN-number) must be transported under certain conditions as specified in the MSDS sheet (Material Safety Data Sheet).
Thermosensitive codes are defined for storage and transportation temperature requirements of the products.
OC subscriptions: included in supply or field order tools (e.g. UniField)
SC subscriptions: included in supply or field tools
OC validations: approved for procurement and use by an OC for international or local orders specifying context and activity in Medical Standard Lists (MSL)

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Kit of 3 ready to use reagents for the staining of blood smears.


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Technical specifications

  • CAS n°: 61-73-4
  • Composition:
    • R1: fixative 100 ml = methanol (FIX-RAL 555)
    • R2: 0.08 g eosin + pH 7 buffer water 100 ml (EOSIN-RAL 555)
    • R3: 0.12 g methylene blue + pH 7 buffer water 100 ml (BLUE-RAL 555)
  • Liquid ready to use reagents
  • Quality: brandname RAL

Packaging & Labelling

3 plastic bottles of 100 ml

Transport Dangerous Goods

  • UN1986
  • Class: 3 (6.1)
  • Packing group: II
  • Proper shipping name: Alcohols, flammable, toxic, n.o.s (Methanol)

Instructions for use

The kit is sufficient for 100 to 200 slides if the manufacturer's procedure is followed.

First choice for the staining of blood smears.

Although the kit allows to detect parasites, the kit is not to be used for thick blood films since methanol fixes red blood cells (use Giemsa).

Tightly close the bottles after use to prevent evaporation or contamination with atmospheric humidity. Beware, methanol is particularly hygroscopic.

Follow exactly the staining times.

Allow the slide to drip dry between the R2 and R3 solution.

Can not be used to do a series of slides.

R1, R2 and R3 can be ordered separately.

Please consult the “Updated laboratory procedures, 2022” available online via the Laboratory working Group sharepoint page: Laboratory Procedures and Resources.


For offline access, contact your laboratory advisor.


  • At room temperature
  • R2 and R3 solutions have limited shelf life and should be used within two months after opening


Parcels with IATA packaging are marked "METHANOL", which can result in errors when storing the goods.

Waste management

Substance with hazardous characteristics. Please contact your watsan referent for advice on proper disposal.

Detailed hazard and precautionary information can be found in the safety data sheet (SDS).

Classification EC Regulation N° 1272/2008

  • Skin sensitisation: Category 1, H317

Signal Word


Image Image Image
H225Highly flammable liquid and vapour
H370Causes damage to organs (or state all organs affected, if known) (state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard).
H301 + H311 + H331Toxic if swallowed, in contact with skin or if inhaled
P403 + P235Store in a well-ventilated place. Keep cool.
P210Keep away from heat/sparks/open flames/hot surfaces. – No smoking.
P233Keep container tightly closed.
P280Wear protective gloves/protective clothing/eye protection/face protection
P302 + P352IF ON SKIN: wash with plenty of soap and water
P309 + P311IF exposed or if you feel unwell: Call a POISON CENTER or doctor/physician.

MSF requirements

Rapid staining (15 to 20 seconds per slide).

Good differentiation of blood cells and parasites in blood smears.

Refills of reagents readily available, interesting volumes for laboratories with important activity.

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