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5-bromopyridine-3,4-diamine

Also known as: 3,4-diamino-5-bromopyridine, 5-bromo-3,4-pyridinediamine, 3,4-pyridinediamine, 5-bromo-

5-bromopyridine-3,4-diamine (CAS 4635-08-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6BrN3 and a molecular weight of 188.025 g/mol. Key properties include a melting point of 138-145℃, a boiling point of 370.1±37.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 177.6±26.5 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation 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.
4635-08-9
Jingsj CID
J-1100286-1
Molecular Formula
C5H6BrN3
Molecular Weight
188.025 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point138-145℃
Boiling Point370.1±37.0 °C at 760 mmHg
Density1.8±0.1 g/cm3
Flash Point177.6±26.5 °C
Exact Mass186.974503
PSA64.93000
LogP1.82
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.712

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H317 — May cause an allergic skin reaction
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

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 5-bromopyridine-3,4-diamine?

The CAS number of 5-bromopyridine-3,4-diamine is 4635-08-9.

What are the molecular formula and molecular weight of 5-bromopyridine-3,4-diamine?

5-bromopyridine-3,4-diamine has molecular formula C5H6BrN3 and molecular weight 188.025 g/mol.

Is 5-bromopyridine-3,4-diamine hazardous?

5-bromopyridine-3,4-diamine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H317 — May cause an allergic skin reaction.

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

Last updated:

How to cite: Jingsj. "5-bromopyridine-3,4-diamine (CAS 4635-08-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1100286-1 (accessed 2026-11-09).

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