3-Methylphenyl isothiocyanate
Also known as: m-Tolyl isothiocyanate, 3-Tolyl isothiocyanate, 1-Isothiocyanato-3-methylbenzene, Isothiocyanic acid m-tolyl ester, Isothiocyanic acid 3-methylphenyl ester, 3-Methyl-1-isothiocyanatobenzene
3-Methylphenyl isothiocyanate (CAS 621-30-7) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C8H7NS and a molecular weight of 149.21300 g/mol. Key properties include a boiling point of 243 °C(lit.), a density of 1.103 g/mL at 25 °C(lit.) and a flash point of 105.6 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 621-30-7
- Jingsj CID
- J-44760-9
- Molecular Formula
- C8H7NS
- Molecular Weight
- 149.21300 g/mol
- Category
- Solvents
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 243 °C(lit.) |
|---|---|
| Density | 1.103 g/mL at 25 °C(lit.) |
| Flash Point | 105.6 °C |
| Exact Mass | 149.03000 |
| PSA | 44.45000 |
| LogP | 2.72930 |
| Refractive Index | n20/D 1.6328(lit.) |
| Additional Property | MAY DECOMPOSE |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. 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 3-Methylphenyl isothiocyanate?
The CAS number of 3-Methylphenyl isothiocyanate is 621-30-7.
What are the molecular formula and molecular weight of 3-Methylphenyl isothiocyanate?
3-Methylphenyl isothiocyanate has molecular formula C8H7NS and molecular weight 149.21300 g/mol.
Is 3-Methylphenyl isothiocyanate hazardous?
3-Methylphenyl isothiocyanate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of 3-Methylphenyl isothiocyanate?
For 3-Methylphenyl isothiocyanate, Upstream Products: Carbon disulphide, m-Toluidine, Thiophosgene; Downstream Products: 1-(3-Methylphenyl)-2-thiourea, 6-Bromo-[1,2,4]triazolo[4,3-a]pyridine-3-thiol, Isophthalic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Methylphenyl isothiocyanate (CAS 621-30-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44760-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.