Skip to main content

1-Methylpyrene

Also known as: 1-METHYLPYRENE, 1-METHYLPYRENE 97+%, 1-METHYLPYRENE, FOR FLUORESCENCE, 1-methyl pyrene, 1-methyl-pyren, 1-methyl-pyrene, 1-methylpyrene, 3-Methylpyrene, 4-05-00-02475 (Beilstein Handbook Reference), EINECS 219-178-8, L666 B6 1A PJ G1, L666 B6 2AB PJ G1, MFCD00014329, Methylpyrene, PYRENE,1-METHYL, PYRENE,1-METHYL-, Pyrene, 1-methyl-, Pyrene, 3-methyl, Pyrene,3-methyl

1-Methylpyrene (CAS 2381-21-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H12 and a molecular weight of 216.277 g/mol. Key properties include a melting point of 72-74 °C(lit.), a boiling point of 387.4±9.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 178.9±12.8 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2381-21-7
Jingsj CID
J-17792-4
Molecular Formula
C17H12
Molecular Weight
216.277 g/mol
Category
Organic Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point72-74 °C(lit.)
Boiling Point387.4±9.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point178.9±12.8 °C
Exact Mass216.093903
LogP5.63
Vapor Pressure0.0±0.4 mmHg at 25°C
Refractive Index1.816
Additional PropertyDMSO: soluble

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information[1]. Monien BH, et al. Time course of hepatic 1-methylpyrene DNA adducts in rats determined by isotope dilution LC-MS/MS and 32P-postlabeling. Chem Res Toxicol. 2008 Oct;21(10):2017-25.

Customs & Trade Information

HS Code2902909090
Summary2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1-Methylpyrene?

The CAS number of 1-Methylpyrene is 2381-21-7.

What are the molecular formula and molecular weight of 1-Methylpyrene?

1-Methylpyrene has molecular formula C17H12 and molecular weight 216.277 g/mol.

Is 1-Methylpyrene hazardous?

1-Methylpyrene has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 1-Methylpyrene?

For 1-Methylpyrene, Upstream Products: 1-Pyrenecarboxaldehyde, Pyrene, iodomethane; Downstream Products: 1-Pyrenecarboxaldehyde, 7-tert-butyl-1-methylpyrene, 1-(Bromomethyl)pyrene.

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

Last updated:

How to cite: Jingsj. "1-Methylpyrene (CAS 2381-21-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17792-4 (accessed 2026-11-09).

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