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Phenyl isothiocyanate

Also known as: PITC, Phenyl mustard oil, Isothiocyanatobenzene, Benzene isothiocyanate, Thiocarbanil, Edman Reagent, Benzene, isothiocyanato-, Benzene-1-isothiocyanate, Fenylisothiokyanat, isothiocyanic acid phenyl ester, benzenisothiocyanate

Phenyl isothiocyanate (CAS 103-72-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5NS and a molecular weight of 135.186 g/mol. Key properties include a melting point of −21 °C(lit.), a boiling point of 221.0±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 87.8±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H314 — Causes severe skin burns and eye damage and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
103-72-0
Jingsj CID
J-47883-1
Molecular Formula
C7H5NS
Molecular Weight
135.186 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point−21 °C(lit.)
Boiling Point221.0±9.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point87.8±0.0 °C
Exact Mass135.014267
PSA44.45000
LogP3.24
Vapor Pressure0.2±0.4 mmHg at 25°C
Refractive Index1.571

GHS Safety & Compliance

Corrosion / Acute Toxicity / Health HazardSignal word: Danger
  • H301 — Toxic if swallowed
  • H314 — Causes severe skin burns and eye damage
  • H317 — May cause an allergic skin reaction
  • H334 — May cause allergy or asthma symptoms if inhaled

Customs & Trade Information

HS Code2930909090
Summary2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Phenyl isothiocyanate?

The CAS number of Phenyl isothiocyanate is 103-72-0.

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

Phenyl isothiocyanate has molecular formula C7H5NS and molecular weight 135.186 g/mol.

Is Phenyl isothiocyanate hazardous?

Phenyl isothiocyanate has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H314 — Causes severe skin burns and eye damage; H317 — May cause an allergic skin reaction.

What are the upstream and downstream products of Phenyl isothiocyanate?

For Phenyl isothiocyanate, Upstream Products: Carbon disulphide, Thiophosgene, alpha-Chlorobenzaldoxime.

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

Last updated:

How to cite: Jingsj. "Phenyl isothiocyanate (CAS 103-72-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47883-1 (accessed 2026-11-09).

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