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Pyritinol

Also known as: Pyrithioxin, Pyrithioxine, Piritinol, Biocefalin, Bonifen, Bonol, Dipyridoxolyldisulfide, Encefabol, Epocan, Pyridoxine disulfide, Pyridoxine-5-disulfide, 3,3'-(Dithiobis(methylene))bis(5-hydroxy-6-methyl-4-pyridinemethanol), 5-[[[5-Hydroxy-4-(hydroxymethyl)-6-methylpyridin-3-yl]methyldisulfanyl]methyl]-4-(hydroxymethyl)-2-methylpyridin-3-ol, MFCD00151477

Pyritinol (CAS 1098-97-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C16H20N2O4S2 and a molecular weight of 368.47100 g/mol. Key properties include a melting point of 54-57 °C(lit.), a boiling point of 742.8ºC at 760 mmHg, a density of 1.448 g/cm3 and a flash point of >110.0 °C. It is classified under GHS with signal word Danger and hazard statements H315 — Causes skin irritation, H318 — Causes serious eye damage and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
1098-97-1
Jingsj CID
J-186-5
Molecular Formula
C16H20N2O4S2
Molecular Weight
368.47100 g/mol
Category
Alcohols
Last updated
11/3/2026

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Physicochemical Properties

Melting Point54-57 °C(lit.)
Boiling Point742.8ºC at 760 mmHg
Density1.448 g/cm3
Flash Point>110.0 °C
Exact Mass368.08600
PSA157.30000
LogP2.57080

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H315 — Causes skin irritation
  • H318 — Causes serious eye damage
  • H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information[1]. Stoica E, et al. Facilitation through hyperventilation of therapeutic effect of pyrithioxin in cerebral infarct patients. Eur Neurol. 1975;13(4):285-303.

Customs & Trade Information

HS Code2933399090
Summary2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. 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 Pyritinol?

The CAS number of Pyritinol is 1098-97-1.

What are the molecular formula and molecular weight of Pyritinol?

Pyritinol has molecular formula C16H20N2O4S2 and molecular weight 368.47100 g/mol.

Is Pyritinol hazardous?

Pyritinol has GHS signal word Danger and hazard statements H315 — Causes skin irritation; H318 — Causes serious eye damage; H335 — May cause respiratory irritation.

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

Last updated:

How to cite: Jingsj. "Pyritinol (CAS 1098-97-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-186-5 (accessed 2026-11-06).

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