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2,2-Bis(bromomethyl)-1,3-propanediol

Also known as: Dibromoneopentyl glycol, 2,2-Bis(bromomethyl)propane-1,3-diol, Dibromopentaerythritol, Pentaerythritol dibromide, Pentaerythritol dibromohydrin, FR 1138, SAYTEX FR-1138, SAYTEX(R) FR-1138 FLAME RETARDANT, 1,3-Propanediol, 2,2-bis(bromomethyl)-, MFCD00004688

2,2-Bis(bromomethyl)-1,3-propanediol (CAS 3296-90-0) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C5H10Br2O2 and a molecular weight of 261.940 g/mol. Key properties include a melting point of 112-114 °C(lit.), a boiling point of 370.9±42.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 178.1±27.9 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3296-90-0
Jingsj CID
J-1332675-7
Molecular Formula
C5H10Br2O2
Molecular Weight
261.940 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Melting Point112-114 °C(lit.)
Boiling Point370.9±42.0 °C at 760 mmHg
Density2.0±0.1 g/cm3
Flash Point178.1±27.9 °C
Exact Mass259.904755
PSA40.46000
LogP0.38
Vapor Pressure0.0±1.9 mmHg at 25°C
Refractive Index1.574

GHS Safety & Compliance

Irritant / Health HazardSignal word: Warning
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation
  • H351 — Suspected of causing cancer

Customs & Trade Information

HS Code2905590090
Summary2905590090 other halogenated, sulphonated, nitrated or nitrosated derivatives of acyclic alcohols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2,2-Bis(bromomethyl)-1,3-propanediol?

The CAS number of 2,2-Bis(bromomethyl)-1,3-propanediol is 3296-90-0.

What are the molecular formula and molecular weight of 2,2-Bis(bromomethyl)-1,3-propanediol?

2,2-Bis(bromomethyl)-1,3-propanediol has molecular formula C5H10Br2O2 and molecular weight 261.940 g/mol.

Is 2,2-Bis(bromomethyl)-1,3-propanediol hazardous?

2,2-Bis(bromomethyl)-1,3-propanediol has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 2,2-Bis(bromomethyl)-1,3-propanediol?

For 2,2-Bis(bromomethyl)-1,3-propanediol, Upstream Products: Sodium bicarbonate, Octanoic acid, Hydrogen bromide; Downstream Products: 5,5-Bis(bromomethyl)-2,2-dimethyl-1,3-dioxane, 2-(3-(Hydroxymethyl)oxetan-3-yl)acetonitrile, Pentaerythrityl tetrabromide.

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

Last updated:

How to cite: Jingsj. "2,2-Bis(bromomethyl)-1,3-propanediol (CAS 3296-90-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1332675-7 (accessed 2026-11-06).

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