HYDROCHLORIC ACID, 37%, 1 l, bot.
Valid Article
HYDROCHLORIC ACID, 37%
Definition
Strong acid used in the preparation of several reagents such as acid alcohol (Ziehl-Neelsen and auramine O staining).
Synonym
Muriatic acid
Specifications
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.
https://msfintl.sharepoint.com/sites/msfintlcommunities/LabWG/SitePages/Laboratory-Manual-page.aspx
For offline access, contact your laboratory advisor.
Storage
- 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
Danger
H290 | May be corrosive to metals. |
H314 | Causes severe skin burns and eye damage. |
H335 | May cause respiratory irritation |
P280 | Wear protective gloves/protective clothing/eye protection/face protection |
P301 + P330 + P331 | IF SWALLOWED: rinse mouth. Do NOT induce vomiting |
P305 + P351 + P338 | IF IN EYES: rinse cautiously with water for several minutes. If the victim wears contact lenses, remove them if possible. Keep rinsing |
P309 + P311 | IF 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.