HYDROCHLORIC ACID, 37%, 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).
Substance listed as Narcotic Drug or Psychotropic Substance, and as precursors. Other substances may be subject to restrictions according to national regulations. These substances require an import permit from the country of destination when ordering.
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Strong acid used in the preparation of several reagents such as acid alcohol (Ziehl-Neelsen and auramine O staining).


Muriatic acid


Included in the INCB List of Precursors and chemicals Frequently used in the illicit manufacture of narcotic drugs and psychotropic substances under International Control (Red list). Check if an export/import licence is required when ordering.

Technical specifications

  • CAS N°: 7647-01-0
  • Formula: HCl
  • Liquid reagent
  • Quality: very pure, ultra pure
  • Concentration: 37%

Packaging & Labelling

1 litre brown glass bottle

Transport Dangerous Goods

  • UN1789
  • Class: 8
  • Packing group: II
  • Proper shipping name: Hydrochloric acid

Instructions for use

Preparation of acid alcohol:

  • 3% hydrochloric acid for Ziehl-Neelsen staining intended for tuberculosis
  • 1% hydrochloric acid for Ziehl-Neelsen staining intended for leprosy and staining with auramine O

Dilution: always pour the water in a test tube first and then add the acid. By doing it the other way round, the acid might splatter (risk of burns).

Pure acid: do not mouth pipet.

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.


  • Upright on the bottom shelves
  • Shelf life: 18 months
  • Guaranteed minimum remaining shelf life at delivery: 1/3 of total shelf life

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

  • Corrosive substance or mix for metals: Category 1, H290
  • Skin corrosion: Category 1B, H314
  • Specific target organ toxicity - single exposure: Category 3, H335

Signal Word


Image Image
H290May be corrosive to metals.
H314Causes severe skin burns and eye damage.
H335May cause respiratory irritation
P280Wear protective gloves/protective clothing/eye protection/face protection
P301 + P330 + P331IF SWALLOWED: rinse mouth. Do NOT induce vomiting
P305 + P351 + P338IF IN EYES: rinse cautiously with water for several minutes. If the victim wears contact lenses, remove them if possible. Keep rinsing
P309 + P311IF exposed or if you feel unwell: Call a POISON CENTER or doctor/physician.

MSF requirements

Reagent used for the preparation of the acid alcohol decolorizing solution used in Ziehl-Neelsen and Auramine staining.

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