Health and Safety Recommendations for BATICHANVRE ® binder from St Astier

Product and Manufacturer Identification

Chemical denomination EINE CS number CAS number Classification Concentration or Concentration range
Calcium hydroxyde 215-137-3 1305-62-0 X i R 41 ≥ 3 %
Hydraulic binder 266-043-4 65997-15-1 X i R36/37/38-43 ≥ 20 %


Risk symbol

Principal risks for people and the environment







  • Hydraulic lime is irritant for eyes, respiratory track and mucous membranes
  • Risk of severe eye damage in cases of splashes of powder or wet mortar in the eyes
  • Once hydrated, the lime increases alcalinity and therefore can irritate or dry the skin
  • In cases of significant ingestion the product is caustic for the digestive tract. It can cause burning of the mouth, esophagus and stomac
  • the product does not present particular risks for the environment subject to the Handling Precautions below and the respect of national or local disposal directives.

First Aid Measures

Contact with eyes
  • Wash immediately and abundantely with clean water and consult an ophtalmologist.
Contact with the skin
  • Wash the affected area abundantely with clean water
    Afterwards wash again with soap or light detergent
  • Wear protective clothing
  • Wash nose and throat with clean water
  • Breathe fresh air.
  • If necessary consult a doctor.
  • Wash mouth, drink water and consult a doctor

The product is not flammable.
All fire estinguishing agents can be used.
Above 950oC the lime will produce CO2 emission.


Individual precautions
  • Avoid all contacts with the eyes
  • Avoid contact with the skin
  • Handle the product with appropriate gloves
  • Wear a mask if required
Protection of the environment
  • Avoid disposal in surface waters, sewers and drains.
Cleaning and recovery methods
  • Avoid creating dust when collecting loose product
  • Once hardened the product can be collected as a normal construction debris
  • The hardening process is variable in accordance with weather conditions and water addition but is never below 1 hour


Keep away from children reach.
  • Wear appropriate gloves
  • Avoid inhaling the dust, wearing a mask if necessary
  • To avoid contact with the eye, wear suitable safety goggles
  • Manual handling: observe local health and safety directives

Control procedures for workers’ exposure and type of equipment for individuals’ protection.

Exposure control:

Total Dust Limit: 10 mg/m3
Air bourne dust limit: 5 mg/m3

Individuals' protection:

Inhalation protection: Wear appropriate mask
Hands protection: Wear appropriate gloves
Eyes protection: Wear goggles to avoid risk of splashes in the eyes.
Skin protection: Wear suitable protective work clothing.


Aspect: grey or white powder
Odor: None
Fusion Point:  > 1000oC
Ignition Temperature Not Flamable
Danger of explosion: Not Explosive
Solubility in Water > 1.5 g/l at 20°C
PH Between 12 and 13 (in saturated solution)
Apparent volumetric mass: 0.65 g/cm3 at 20oC
Absolute volumetric mass: 2.6 g/cm3 (20oC)
Granulometry 20 to 30% fines < 0.05mm


Stability: The product is stable at all temperatures
Conditions to avoid: Storage in damp areas to avoid an hydraulic set
Materials to avoid: Reacts strongly with acids, generating CO2


Inhalation: Inhalation can cause irritation of the respiratory ways and of the nasal mucose.
In extreme cases the mucose can be eroded
Ingestion: Large ingestion can cause burining of the mouth, exophagus ad stomac
Skin contact:

Can irritate the skin due to its high alcalinity

Contact with the eyes: Can cause irritation of the eye and the pupil
Prolongued rinsing is necessary

Cronic skin pathology

Prolongued exposure without adequate protection (gloves) can cause dermatological irritation
Cancerogenicity Not listed
Genotoxicity Not listed


Mobility: None
Potential bio-accumulation: None
  • the product is an alcaline material that an increase in the pH of water brings
  • The carbonation process, with time, re-constitutes Calcium Carbonate (CaCO3) which is a neutral material in ecological terms


The product in its hardened state can be disposed as a normal construction debris.
Dispose of used bags in authorised refuse areas in accordance with local directives.


The product is not considered hazardous in accordance with ADR, RID, IMDG and IATA regulations.
In general, avoid spillages of powder during transport.

ADR: European agreement on road transport of dangerous substances
RID: International rail transport regulation for dangerous substances.
IMDG: International maritime dangerous goods code.
IATA: International Air Transport Association.


Danger symbol: Xi irritant
Principal constituent: Calcium hydroxide
Phrases R:
  • R36/37/38- irritant for the eyes, respiratory ways and the skin
  • R41 - risk of severe lesion to the eyes
  • R43 – can damage the skin
Phrases S:
  • S2- keep away from childrens' reach
  • S24/25 - avoid contact with the skin and the eyes
  • S26 in case of contact with the eyes, wash immediately and abundantely with clean water and consult a specialist
  • S37 - wear appropriate gloves
  • S39 - wear protective eye goggles.


Conforms with Norm NF ISO 11014-1

It is recommeded to provide instructions to personnel regarding the risks and precautions to observe in case of accident.

The recommendations in this document are based on our kowledge as it stands at the time of issue related to this product. They are given in good faith.

The User attention is drawn to the eventual risks caused by the utilisation of a product for different purposes from the ones for which the product has been envisaged. It is the responsibility of the User to adopt the appropiate safety measures and to apply all regulations current at the time of use. The prescriptions contained in this document are given to help the User to fulfill its obligations. The precautions listed cannot be considered as exhaustive.

See also: Batichanvre Data Sheet

Small Logo

For further Guidance, contact your St Astier Distributor.
Copyright © 2016 CESA, Chaux et Enduits de St Astier