Skip to content
Molekula

Molekula

Isoquinoline

SKU 89967740 CAS 119-65-3 C9H7N MW 129.16 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

Isoquinoline is a heterocyclic aromatic compound used in organic synthesis, pharmaceuticals, and as a ligand in coordination chemistry. It also serves as an intermediate in making dyes, insecticides and rubber vulcanization accelerators, and is used as a flavoring ingredient. It appears as a colorless to pale yellow liquid with a distinctive odor. CAS: 119-65-3, Molecular formula: C9H7N, Molecular weight: 129.16 g/mol. Store at ambient temperature. Hazard warning: Danger. Molekula supplies Isoquinoline 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
Transport Class 6.1
Packing Group III
Acidity Neutral

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Melting Point 26.47 °C
Boiling Point 243.2 °C
Water Solubility Slightly soluble in water
pKa pKa = 5.42 (at 20 °C)

Source: PubChem CID 8405 (DrugBank, Joint FAO/WHO Expert Committee on Food Additives (JECFA))

Identification

Property Value
SKU 89967740
CAS Number 119-65-3
IUPAC Name isoquinoline
EC Number 204-341-8
Molecular Formula C9H7N
Molecular Weight 129.16
Exact Mass 129.0578
SMILES C1=CC=C2C=NC=CC2=C1
InChIKey AWJUIBRHMBBTKR-UHFFFAOYSA-N
InChI InChI=1S/C9H7N/c1-2-4-9-7-10-6-5-8(9)3-1/h1-7H
PubChem CID 8405
UN Number UN2810
REACH Code Y110
TSCA Listed Yes
HTS Code 29334970
Tariff Code 2933499090

Safety & GHS

Danger
  • GHS pictogram — Toxic Toxic GHS06
  • GHS pictogram — Health Hazard Health Hazard GHS07

Hazard statements

  • H302 Harmful if swallowed
  • H311 Toxic in contact with skin
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H412 Harmful to aquatic life with long lasting effects

Precautionary statements

  • P273 Avoid release to the environment
  • 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
  • P308+313 IF exposed or concerned: Get medical advice/attention
  • P333+313 IF skin irritation or a rash occurs: Get medical advice/attention

Documents

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

  • 2-Azanaphthalene
  • 2-Benzanine
  • 2-Benzazine
  • 3,4-Benzopyridine
  • 7-methoxy-1,6-dimethylisoquinoline-5,8-dione
  • Benzo[c]pyridine
  • beta-Quinoline
  • FEMA No. 2978
  • Isochinolin
  • Leucoline

Frequently asked questions

What is isoquinoline used for?

Isoquinoline is used as a building block in organic synthesis, particularly in the production of pharmaceuticals and agrochemicals.

What is the chemical formula and molecular weight of isoquinoline?

The formula is C9H7N with a molecular weight of 129.16 g/mol.

How should isoquinoline be stored?

Store at ambient temperature, away from light and incompatible materials.

What grade of isoquinoline does Molekula supply?

Molekula supplies isoquinoline in technical grade; custom grades available upon request.

Can Molekula supply isoquinoline in bulk?

Yes, Molekula can supply isoquinoline in bulk quantities; please contact us for pricing and availability.

What documentation comes with an order of isoquinoline?

Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.

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