Skip to content
Molekula

Molekula

Hydrogen chloride, 21% (w/w) in IPA

SKU 90028974 CAS 7647-01-0 HCl MW 36.45 Made to order Bulk quantities on request

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

Hydrogen chloride, 21% (w/w) in isopropyl alcohol (IPA) is a flammable, effectively anhydrous acid solution used as a reagent in organic synthesis, for example to form hydrochloride salts and to remove Boc protecting groups. This solution provides controlled acidity for precise chemical reactions. It has a CAS number of 7647-01-0, a molecular formula of HCl, and a molecular weight of 36.45 g/mol. Store at ambient temperature with proper ventilation. The product carries a Danger signal word due to its corrosive and hazardous nature. Molekula supplies Hydrogen chloride, 21% (w/w) in IPA from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

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.

Quantity
Unit
Needed by
Full name
Email
Company
Phone (optional)
Notes

Expect a response within hours

Prices exclude VAT/sales tax and shipping.

Specifications

Specifications available on request — see Documents below or contact our sales team.

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point 12 °C
Transport Class 3 (8)
Packing Group II
Acidity Acid

Identification

Property Value
SKU 90028974
CAS Number 7647-01-0
IUPAC Name chlorane
EC Number 231-595-7
Molecular Formula HCl
Molecular Weight 36.45
Exact Mass 35.9767
SMILES Cl
InChIKey VEXZGXHMUGYJMC-UHFFFAOYSA-N
InChI InChI=1S/ClH/h1H
PubChem CID 313
UN Number UN2924
REACH Code Y110
TSCA Listed Yes
HTS Code 3824.99.9330
Tariff Code 3824999299

Safety & GHS

Danger
  • GHS pictogram — Flammable Flammable GHS02
  • GHS pictogram — Corrosive Corrosive GHS05
  • GHS pictogram — Health Hazard Health Hazard GHS07

Hazard statements

  • H225 Highly flammable liquid and vapour
  • H290 May be corrosive to metals
  • H314 (sub cat. 1B) Causes severe skin burns and eye damage
  • H335 May cause respiratory irritation
  • H336 May cause drowsiness or dizziness

Precautionary statements

  • P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
  • P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
  • 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.

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
  • hydrochloric acid
  • Muriatic acid
  • Muriaticum acidum

Frequently asked questions

What is 21% (w/w) hydrogen chloride in IPA commonly used for?

This solution is widely used in chemical synthesis, as a catalyst in esterification and alkylation reactions, and as an essentially anhydrous acid source for forming hydrochloride salts and removing Boc protecting groups.

What is the molecular formula and molecular weight of hydrogen chloride?

The molecular formula is HCl, and the molecular weight is 36.45 g/mol.

How should this product be stored?

Store at ambient temperature in a tightly sealed container, away from moisture, strong oxidizers, and incompatible materials.

What purity grades or specifications does Molekula offer for this product?

Molekula supplies this product as a technical-grade solution (21% w/w in IPA), suitable for industrial and laboratory applications.

Can Molekula supply this product in bulk quantities?

Yes, we offer bulk packaging options—please contact our sales team for specific quantities and pricing.

What documentation is provided with an order of this product?

Each order includes a Material Safety Data Sheet (MSDS), Certificate of Analysis (CoA), and a packing list with batch-specific details.

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.

Talk to a chemist
Documents Pricing
Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. Expect a response within hours.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
View basket