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General Information



It is used for degreasing and treating the equipment, excluding contact with foodstuffs, and in other industries. It is a highly effective cleaner and degreaser for home and industrial use. Its regular use prevents sediment buildup and sewage drain choking. It is effective for cleaning paths, drives and brickwork. Composition: Caustic Soda 99% minimum.



Cleaning and unblocking sewage drains.

To clean drains and spouts solve 50 g of Caustic Soda in 1 litre of cold water and, avoid contact with eyes and skin, pour the entire solution down the drain. To unblock a drain solve 100 g of Caustic Soda with 1 litre of cold water, pour the solution down the drain and keep it for 10 minutes. Flush with water. If it is impossible to eliminate the blockage, it is necessary to seek professional help.

General cleaning

To clean paintwork resistant to alkali attack, dustbins, badly fouled areas, kennels, etc. solve 125 g of Caustic Soda in 5 litres of cold water, clean the surface with the solution, then wash it down thoroughly with cold water

Cleaning paths, drives and brickwork

Solve 125 g of Caustic Soda in 5 litres of cold water, pour the solution on to the area to be cleaned, scrub with a stiff brush, leave for 20 minutes, then wash it down thoroughly with cold water.


Do not add water to Caustic Soda. Always add Caustic Soda to the water. Always reseal tightly after use. Keep in a dry place. Do not mix with other cleaning products. Do not mix with acids. Do not use in contact with aluminium. Avoid contact with varnishes and lacquered surfaces. Not to be used in drinking water.


Hazard information

Classification and labelling according to CLP

Sodium hydroxide is listed on Annex VI of Regulation (EC) No 1272/2008 (CLP) (Index № 011-002-00-6).


Hazard class and category: Skin corrosive; category 1A
Hazard statement: H314: Causes severe skin burns and eye damage
H290: May be corrosive to metals.
H318: Causes serious eye damage.


Signal word: Danger
Hazard Pictogram Codes and Symbols: GHS05: corrosion

Specific concentration limits

Skin injury 1A; H314 (In case of skin and eye contact causes severe burns): C ≥ 5 %
Skin injury 1B; H314 (In case of skin and eye contact causes severe burns): 2 % ≤ C < 5 %
Skin Irritation 2; H315 (Causes skin irritation): 0.5 % ≤ C < 2 %
Eye Irritation 2; H319 (Causes serious irritation of the mucous membrane of eye): 0.5 % ≤ C < 2 %

Classification per DSD / DPD

Sodium hydroxide is listed on Annex I of Directive 67/548/EEC (DSD) (Index № 011-002-00-6).


Indication of danger: C - corrosive
R-phrase: R35 - causes severe burns

Summary and overall conclusions on PBT or vPvB properties

Sodium hydroxide is not considered to be a PBT or vPvB substance.


P260: Do not breathe dust/fume/gas/mist/vapors/spray.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P303 + P361 + P353: IN CASE OF SKIN (or hair) CONTACT: Take off immediately all contaminated clothing. Rinse skin with water/take a shower.
P305 + P351 + P338: IN CASE OF EYE CONTACT: Rinse cautiously with water for several minutes. If you are using contact lenses, take them off if possible. Continue rinsing.
P310: Immediately call a poison center representative or a doctor/physician.
The above precautions are applicable for industrial use. Other or additional precautions may be more
appropriate for professional or consumer use of NaOH.

Product specifications

Produced in comply with following standards:
ISO 9001:2008
(Certified by SGS / Certificate No. HU14/7339)
ISO 22000:2005
(Certified by SGS / Certificate No. CH10/0091)
RF Standard TY 9199-044-00203275-2009 – Food additive E524 production standard
Certified by RF Sanitary authorities / Certificate No. RU.
STO 00203275-206-2007
(Internal standard of Kaustik JSC)
REACH Registration number:

Chemicals formula : NaOH
Molecular mass : 40,00

Spherical or semi-spherical white pearls, slight color is admissible.
Gran size:
Diameter > 2,5 mm– 17%
Diameter 2-2,5 mm – 35%
Diameter 1,6-2 mm – 30%
Diameter 0,8-1,6 mm – 17,99%
Diameter (dust) <0,8 mm –0,01%
Indicator name Indicator data
Mass fraction of sodium hydroxide (NaOH),%, min 99,5
Mass fraction of sodium carbonate (Na₂CO₃),%, max 0,50
Mass fraction of sulphate (SO4),%, max 0,005
Mass fraction of sodium chloride (NaCl),%, max 0,005
Mass fraction of iron in equivalent to ferric oxide (Fe₂O₃),%, 0,002
Mass fraction of iron, %, max 0,00042
Mass fraction of mercury (Hg),%, max 0,00001
Mass fraction of silicic acid (silicon dioxide),%, max 0,0001
Mass fraction of lead,%, max 0,0000025
Mass fraction of calcium,%, max 0,0002
Mass fraction of nickel,%, max 0,0002
Mass fraction of chrome,%, max 0,00004
Mass fraction of cooper,%, max 0,0000011
Mass fraction of arsenic,%, max 0,00001
Mass fraction of cadmium,%, max 0,00000035
Mass fraction of aluminium,%, max 0,0006
Mass fraction of heavy metals,%, max 0,001
Mass fraction of selenium,%, max 0,0001
Mass fraction of antimony,%, max 0,00025
Mass fraction of NaClO3,%, max not detected