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propyl isothiocyanate

Also known as: 1-isothiocyanatopropane, isothiocyanic acid propyl ester, n-propyl isothiocyanate, PROPYL ISOTHIOCYANATE, Isothiocyanic Acid Propyl Ester

propyl isothiocyanate (CAS 628-30-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H7NS and a molecular weight of 101.17000 g/mol. Key properties include a boiling point of 153 °C, a density of 0.978 and a flash point of -15 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
628-30-8
Jingsj CID
J-44771-2
Molecular Formula
C4H7NS
Molecular Weight
101.17000 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point153 °C
Density0.978
Flash Point-15 °C
Exact Mass101.03000
PSA44.45000
LogP1.49920
Refractive Index1.503-1.505

GHS Safety & Compliance

Flammable / Corrosion / IrritantSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled
  • H314 — Causes severe skin burns and eye damage
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of propyl isothiocyanate?

The CAS number of propyl isothiocyanate is 628-30-8.

What are the molecular formula and molecular weight of propyl isothiocyanate?

propyl isothiocyanate has molecular formula C4H7NS and molecular weight 101.17000 g/mol.

Is propyl isothiocyanate hazardous?

propyl isothiocyanate has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.

What are the upstream and downstream products of propyl isothiocyanate?

For propyl isothiocyanate, Upstream Products: Propylamine, Carbon disulphide, Thiophosgene; Downstream Products: N,N'-Dipropylurea, 1-Propylthiourea, Propyl isocyanate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "propyl isothiocyanate (CAS 628-30-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44771-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.