Molekula
Hydrochloric acid 9%
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Hydrochloric acid (9%) is a highly versatile aqueous solution of hydrogen chloride gas, widely used in industrial cleaning, pH adjustment, metal processing, and food production for acidification. This diluted form is safer for general applications while retaining strong acidity. Catalogue details: CAS 7647-01-0, molecular formula HCl (molecular weight 36.46 g/mol), stored at ambient conditions. Labelled with the signal word *Danger*. Molekula supplies hydrochloric acid (9%) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Density | 1030 - 1045 (kg/m3) |
| Assay | 8.5 - 9.5 |
| Iron (Fe) | ≤ 2 mg/kg |
| Organic Substances | ≤ 5 mg/kg |
| Acidity (H2SO4) | ≤ 0.8% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | III |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90037396 |
| CAS Number | 7647-01-0 |
| IUPAC Name | chlorane |
| EC Number | 231-595-7 |
| Molecular Formula | HCl |
| Molecular Weight | 36.46 |
| Exact Mass | 35.9767 |
| SMILES | Cl |
| InChIKey | VEXZGXHMUGYJMC-UHFFFAOYSA-N |
| InChI | InChI=1S/ClH/h1H |
| PubChem CID | 313 |
| UN Number | UN1789 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28061000 |
| Tariff Code | 2806100000 |
Safety & GHS
-
Corrosive
GHS05
Hazard statements
- H290 May be corrosive to metals
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Acide chlorhydrique
- Anhydrous hydrochloric acid
- Chloorwaterstof
- chlorane
- Chlorohydric acid
- Chlorowodor
- Chlorwasserstoff
- hydrogen chloride
- Muriatic acid
- Muriaticum acidum
Frequently asked questions
What is 9% hydrochloric acid commonly used for?
9% hydrochloric acid is typically used for cleaning, descaling, pH adjustment in industrial processes, and as a reagent in laboratories for titrations and analytical chemistry.
What is the molecular formula and molecular weight of hydrochloric acid?
The molecular formula is **HCl**, and the molecular weight is **36.46 g/mol**.
How should hydrochloric acid (9%) be stored?
Store at **ambient temperature** in a tightly sealed, corrosion-resistant container, away from incompatible substances like metals, oxidizers, and organic materials.
What grade of hydrochloric acid (9%) does Molekula supply?
Molekula supplies **technical/industrial grade** hydrochloric acid (9%) for general laboratory and industrial applications.
Can Molekula supply hydrochloric acid (9%) in bulk quantities?
Yes, we offer hydrochloric acid (9%) in bulk, with packaging options including drums (e.g., 25L, 30L) and IBCs, depending on volume requirements.
What documentation comes with an order of hydrochloric acid (9%)?
Each order includes a **Material Safety Data Sheet (MSDS)**, **Certificate of Analysis (CoA)**, and **batch-specific documentation** for traceability and compliance.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.