Isopropyl β-D-1-thiogalactopyranoside
Also known as: IPTG, Isopropyl β-D-thiogalactopyranoside, Isopropyl β-D-thiogalactoside, 1-Methylethyl 1-thio-β-D-galactopyranoside, Isopropyl 1-thio-β-D-galactopyranoside, (2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-propan-2-ylsulfanyloxane-3,4,5-triol
Isopropyl β-D-1-thiogalactopyranoside (CAS 367-93-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H18O5S and a molecular weight of 238.301 g/mol. Key properties include a melting point of 105 °C, a boiling point of 438.4±45.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 218.9±28.7 °C. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation and H351 — Suspected of causing cancer. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 367-93-1
- Jingsj CID
- J-35684-3
- Molecular Formula
- C9H18O5S
- Molecular Weight
- 238.301 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 105 °C |
|---|---|
| Boiling Point | 438.4±45.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 218.9±28.7 °C |
| Exact Mass | 238.087494 |
| PSA | 115.45000 |
| LogP | -1.01 |
| Vapor Pressure | 0.0±2.4 mmHg at 25°C |
| Refractive Index | 1.578 |
| Additional Property | soluble |
GHS Safety & Compliance
- H319 — Causes serious eye irritation
- H351 — Suspected of causing cancer
Activity & Biological Data
| Additional Information | [1]. Isopropyl β-D-1-thiogalactopyranoside |
|---|
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Isopropyl β-D-1-thiogalactopyranoside?
The CAS number of Isopropyl β-D-1-thiogalactopyranoside is 367-93-1.
What are the molecular formula and molecular weight of Isopropyl β-D-1-thiogalactopyranoside?
Isopropyl β-D-1-thiogalactopyranoside has molecular formula C9H18O5S and molecular weight 238.301 g/mol.
Is Isopropyl β-D-1-thiogalactopyranoside hazardous?
Isopropyl β-D-1-thiogalactopyranoside has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation; H351 — Suspected of causing cancer.
What are the upstream and downstream products of Isopropyl β-D-1-thiogalactopyranoside?
For Isopropyl β-D-1-thiogalactopyranoside, Upstream Products: β-D-Galactose pentaacetate, 2,3,4,6-Tetra-O-acetyl-β-D-glucopyranose, 2-Propanethiol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Isopropyl β-D-1-thiogalactopyranoside (CAS 367-93-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35684-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.